What would cause one eye to be dilated?

Why Do Some Drugs Make Your Pupils Wider?

Best Answer

The iris could be partially stuck to the lens because of prior inflammation or trauma or prior surgery.

The condition of one pupil being larger than the other without having received dilating drops is called anisocoria.

Some drops and some systemic medications and drugs may cause a constricted pupil.

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Related Questions

Why would a dog's eyes be dilated?

Anisocoria is a sign of a disease or condition, therefore there can be several different causes, including: Corneal injury such as an ulcer. Glaucoma, a disease in which there is increased pressure within the eye (the pupil in the affected eye will be dilated).

What causes one eye to be bigger than the other?

It causes the appearance of asymmetrical eyes, so one eye looks lower than the other. In some people Ptosis affects both eyes. Aging is the most common cause of ptosis, but it can also be caused by neurological conditions, tumors, and stroke.

What causes one eye to bulge out?

Causes of bulging eyes. The most common cause of bulging eyes is hyperthyroidism, or an overactive thyroid gland. Hyperthyroidism occurs when your thyroid releases too many of these hormones. An autoimmune disorder called Graves' disease is the most common cause of hyperthyroidism and bulging eyes.

My pupils are different sizes. Is this serious? - Ask an Ophthalmologist

What causes pupils to be fixed and dilated?

When someone's pupils dilate in an unusual way, it is called mydriasis. This may be caused by an injury, psychological factors, or when someone takes certain drugs or medications. Doctors sometimes refer to more pronounced mydriasis, when the pupils are fixed and dilated, as "blown pupil."

What causes a person to have one blue eye and one brown eye?

Central heterochromia refers to a combination of colors in one eye, and occurs due to uneven distribution of melanin. Eye color is a result of melanin deposits in the iris, which is the part of the eye responsible for dilating and constricting the pupil to control the amount of light that enters.

What would cause a dog's eyes to change color?

Nuclear sclerosis, also called lenticular sclerosis, can cause the pupils of your dog's eyes to take on a cloudy bluish-gray appearance. The condition is also seen in humans and horses. This condition is a normal change to the lenses of the eyes that typically occurs in dogs over the age of six.

Why is one eye dilated and not the other?

The iris could be partially stuck to the lens because of prior inflammation or trauma or prior surgery. The condition of one pupil being larger than the other without having received dilating drops is called anisocoria. It can be related to local factors such as a history of eye trauma or surgery.

What would cause a dog's eye to bulge?

When there is a problem with the drainage of this fluid, pressure builds within the eye. This high pressure can have severe side effects including damage to the optic nerve, which can result in blindness. Glaucoma is a very painful condition; its most common sign is bulging of the eyes.

What is Anisocoria? Causes and Symptoms of Anisocoria.

What would cause my dog's eye to bulge?

When there is a problem with the drainage of this fluid, pressure builds within the eye. This high pressure can have severe side effects including damage to the optic nerve, which can result in blindness. Glaucoma is a very painful condition; its most common sign is bulging of the eyes.

What would cause a dog's eye to turn blue?

Nuclear Sclerosis. Nuclear Sclerosis is a hardening of the eyes' lenses and is common in older dogs. It usually develops in both eyes at the same time and the eyes gradually take on a cloudy, bluish-grey appearance.

What would cause a dog's eye to droop?

Ectropion is a common condition of dogs where the lower eyelids droop or roll out. Hereditary or developmental ectropion is most common in young dogs whereas acquired ectropion can develop as a result of nerve damage or injury and can occur with corneal injury, infection or other severe inflamatory conditions.

What causes a dog's pupils to dilate?

Anisocoria is a sign of a disease or condition, therefore there can be several different causes, including: Corneal injury such as an ulcer. Glaucoma, a disease in which there is increased pressure within the eye (the pupil in the affected eye will be dilated).

What would cause a dog's blood platelets to be low?

Conditions that cause a decrease in platelet production in the bone marrow, cause too many platelets to be used in blood clotting, destroy platelets via the immune system, or remove platelets from the blood stream can all lead to thrombocytopenia. Here are a few specific causes of a low blood platelet count in dogs.

Dilated Pupils May Mean More than We Think

What would cause a dog to be off balance?

Vestibular syndrome is caused by dysfunction of the inner ear. Because the symptoms occur suddenly, they are sometimes confused with symptoms of stroke. Along with loss of balance and falling over, signs may include head tilt, walking in circles, vomiting, nausea, and flicking of the eyes from side to side.

What causes one pupil to be bigger than the other?

Iritis (anterior uveitis) can cause anisocoria that usually is accompanied by eye pain. Adie's tonic pupil. This benign condition (also called Adie's pupil, tonic pupil, or Adie's syndrome) typically causes one pupil to be noticeably bigger than the other. In most cases, the cause of Adie's pupil is unknown.

What would cause a puppy to be lethargic?

Dog Weakness and Lethargy: Common Causes and Treatments. A few of the more common causes of weakness or lethargy in dogs include the following: Infection. Any kind of infection -- including serious ones such as parvovirus, distemper, kennel cough, leptospirosis, and heartworm disease -- can make your dog lethargic.

What does it mean if one eye is more dilated than the other?

The condition of one pupil being larger than the other without having received dilating drops is called anisocoria. A unilaterally dilated pupil can be a benign finding such as a tonic pupil. It can be related to local factors such as a history of eye trauma or surgery.

What would cause pupils to be different sizes?

Other medicines that get in the eyes, including medicine from asthma inhalers, can change pupil size. Other causes of unequal pupil sizes may include: Excess pressure in one eye caused by glaucoma. Increased intracranial pressure, because of brain swelling, intracranial hemorrhage, acute stroke, or intracranial tumor.

What would cause my puppy to be lethargic?

Dog Weakness and Lethargy: Common Causes and Treatments. A few of the more common causes of weakness or lethargy in dogs include the following: Infection. Any kind of infection -- including serious ones such as parvovirus, distemper, kennel cough, leptospirosis, and heartworm disease -- can make your dog lethargic.

What can cause blurred vision in one eye suddenly?

The primary causes of blurred vision are refractive errors — nearsightedness, farsightedness and astigmatism — or presbyopia. Blurred vision can affect both eyes, but some people experience blurry vision in one eye only. Cloudy vision, where objects are obscured and appear "milky," is often mistaken for blurry vision.

What causes a dog's eyes to be red?

If they appear red or bloodshot, it can be a sign of many different eye problems, ranging in severity from mild allergies to something as serious as glaucoma, which can cause blindness. If you notice red or bloodshot eyes in your pet you should take him into see a veterinarian as soon as possible.

Why would a dog's eye be swollen?

Some common causes for swollen eyes in dogs and cats may include: An allergic reaction (this can be from an inhaled allergen or from a food allergy), often involving additional swelling of the lip(s) and face. A bee sting to the eye (can also cause swelling of the lip(s) and face) An infection of the eye or eyelid.

Why would my dogs eye be swollen?

Some common causes for swollen eyes in dogs and cats may include: An allergic reaction (this can be from an inhaled allergen or from a food allergy), often involving additional swelling of the lip(s) and face. A bee sting to the eye (can also cause swelling of the lip(s) and face) An infection of the eye or eyelid.

What are the causes of dilated pupils?

What causes dilated pupils? Medications. The following prescription and non-prescription medicines can cause your pupils to dilate and affect their ability to react to light: Eye injury. Brain injury or disease. Recreational drug use. Benign episodic unilateral mydriasis. Adie's pupil. Congenital aniridia. Sexual attraction.

Why would a dog's eyes be red?

If they appear red or bloodshot, it can be a sign of many different eye problems, ranging in severity from mild allergies to something as serious as glaucoma, which can cause blindness. If you notice red or bloodshot eyes in your pet you should take him into see a veterinarian as soon as possible.

Why would a dog's eyes be bloodshot?

Bloodshot or Red Eyes in Dogs. As a pet owner, you'll want to keep an eye on your dog's eyes. If they appear red or bloodshot, it can be a sign of many different eye problems, ranging in severity from mild allergies to something as serious as glaucoma, which can cause blindness.

Do eyes dilate during arousal?

Pupil dilation is an accurate indicator of sexual orientation, a new study finds. When people look at erotic images and become aroused, their pupils open up in an unconscious reaction that could be used to study orientation and arousal without invasive genital measurements.

Why are dogs eyes dilated?

Anisocoria is a sign of a disease or condition, therefore there can be several different causes, including: Corneal injury such as an ulcer. Glaucoma, a disease in which there is increased pressure within the eye (the pupil in the affected eye will be dilated).

What would cause a dog to shake?

Pets may shiver or shake for many reasons—pain, fear, anxiety, nerves, or simply being too cold. There is even an endocrine disorder called Addison's disease which can cause excessive shivering as well. We often see dogs shiver and shake during thunderstorms or July 4th fireworks.

What would cause a dog to wobble?

Infections, inflammation, tumors, and trauma to this sensitive area can cause your dog to be shaky and uncoordinated. When the inner ear is functioning abnormally, or a disruption is caused by the brainstem, it is often referred to as a vestibular syndrome.

What would cause my dog to twitch?

Causes of Muscle Spasms in Dogs. Muscle spasms can be caused by a variety of conditions, including muscle strains or injuries, neurological disorders, allergies, dehydration, or an adverse response to medication. This can occur due to nerve damage, physical injury, or pain in the back or legs.

What would cause my puppy to limp?

In fact, the most common cause of puppy limping is a simple muscle sprain or strain, which can be treated with rest. If your puppy is displaying generalized or shifting lameness, or limping on more than one leg, the problem is likely the cause of poor nutrition, also known as nutritional osteodystrophy.

What would cause a dog to bleed?

He may also be vomiting and is likely not eating. This condition is called Hemorrhagic Gastroenteritis (HGE). It literally means bleeding and inflammation in the digestive tract. The cause is not known, but risk factors include stress and hyperactivity, and it is seen more often in smaller breeds of dogs.

What would cause my dog to shake?

Pets may shiver or shake for many reasons—pain, fear, anxiety, nerves, or simply being too cold. There is even an endocrine disorder called Addison's disease which can cause excessive shivering as well. We often see dogs shiver and shake during thunderstorms or July 4th fireworks.

What would cause a dog to shiver?

Pets may shiver or shake for many reasons—pain, fear, anxiety, nerves, or simply being too cold. There is even an endocrine disorder called Addison's disease which can cause excessive shivering as well. We often see dogs shiver and shake during thunderstorms or July 4th fireworks.

What would causes a dog's eyes to roll back in their head?

Dogs have an extra eyelid called the third eyelid that can sometimes come up and cover part of the eye. When this happens it looks like the eye is rolling up into the head. A likely cause for the 3rd eyelid coming up is pain. This could be due to a scratch or other minor injury to the eye.

What would cause a dog to not be able to bark?

While it may sound pleasant for your dog to stop barking, you want to be sure that his lack of noise is not a result of a medical issue. There is more than one reason that your dog may not bark to include: He is hoarse as a result of over-barking. Breed.

Why would one pupil be bigger than the other?

Iritis (anterior uveitis) can cause anisocoria that usually is accompanied by eye pain. Adie's tonic pupil. This benign condition (also called Adie's pupil, tonic pupil, or Adie's syndrome) typically causes one pupil to be noticeably bigger than the other. The affected pupil also does not react to light.

What would cause a dog to cough?

Some of the most common causes of coughing in dogs are heart disease, chronic bronchitis, heartworm disease, and respiratory infections caused by bacteria, viruses, or fungi. If your vet can't find the root of your dog's coughing, here are eight surprising causes to consider.

What would cause a dog to twitch?

Causes of Muscle Spasms in Dogs. Muscle spasms can be caused by a variety of conditions, including muscle strains or injuries, neurological disorders, allergies, dehydration, or an adverse response to medication. This can occur due to nerve damage, physical injury, or pain in the back or legs.

What would cause a dog to suddenly not be able to walk?

Degenerative myelopathy occurs when the spinal cord's white matter degenerates over time; like intervertebral disc disease, degenerative myelopathy also develops as hind leg weakness that can lead to paralysis. The cause is unknown. German Shepherds are more likely than other dogs to develop this condition.

What would my puppy be allergic to?

A: It's a genetic problem, and when it's triggered, it's by exposure to whatever they're allergic to. The most common allergens are beef, dairy, wheat, egg, chicken, lamb, soy, pork, rabbit, and fish. And, most dogs are usually allergic to more than one thing.

Can stress cause dilated pupils?

Stimulation of the autonomic nervous system's sympathetic branch, known for triggering "fight or flight" responses when the body is under stress, induces pupil dilation. Calculate nine times 13 and your pupils will dilate slightly.

Can alcohol cause dilated pupils?

Short-term vision-altering effects. Slower pupil reaction–Alcohol causes the iris toconstrict and dilate at a much slower speed. Increased dryness–Findings from a study by the Hallym University College of Medicine suggest consuming even a small amount of alcohol can increase and exacerbate symptoms of dry eye.

Why is my dogs eye not dilating?

Anisocoria is a symptom and there can be several different causes, including: Corneal injury such as an ulcer. Disease or injury to the brain or to the nerves running to the affected eye. Glaucoma, a disease in which there is increased pressure within the eye (the pupil in the affected eye will be dilated)

Do dogs eyes dilate when in labor?

During the first stage of labor, the cervix begins to dilate and uterine contractions begin. These contractions are painful and perplexing to a dog. She will probably appear quite uncomfortable and restless - pacing, shivering and panting. She probably will not eat and she may even vomit.

What happens when you have your eyes dilated?

Whether eye dilation during an exam is necessary depends on the reason for your exam, your age, your overall health and your risk of eye diseases. The eye drops used for dilation cause your pupils to widen, allowing in more light and giving your doctor a better view of the back of your eye.

What does it mean when dogs eyes are dilated?

Anisocoria is a sign of a disease or condition, therefore there can be several different causes, including: Corneal injury such as an ulcer. Glaucoma, a disease in which there is increased pressure within the eye (the pupil in the affected eye will be dilated).

What would cause a dog to be hungry all the time?

During old age, some dogs are known to be extremely hungry. It may be possible that your dog has developed poor absorption of its food within the gastrointestinal system, leading to weight loss for reasons such as inflammatory bowel problems, insulin deficiencies, or intestinal cancer.

What does it mean when a dog's eyes are dilated?

Just like us, the pupils of dogs' eyes enlarge or constrict depending on how much light they're exposed to. Enlarged or dilated pupils in dogs could result from a variety of conditions. There may be no cause for alarm but pupil dilation can be a sign of some serious eye diseases.

What does it mean when a dogs eyes dilate?

Anisocoria is a sign of a disease or condition, therefore there can be several different causes, including: Corneal injury such as an ulcer. Glaucoma, a disease in which there is increased pressure within the eye (the pupil in the affected eye will be dilated).

Do dogs eyes dilate when in love?

EYES. Like people, a dog's eyes can tell you a lot about how they are feeling. If a dog averts their gaze, they want to show submission, as they may be worried about interacting with you. Large, dilated pupils, or when a dog looks at you from the corner of their eyes, usually prelude aggressive or fear-based behavior.

Why do dogs eyes dilate when playing?

Dilated pupils can also be a sign of fear or arousal—these can make the eyes look "glassy," indicating that a dog is feeling threatened, stressed or frightened. A relaxed dog will often squint, so that his eyes become almond-shaped with no white showing at all.

How do you recover from dilated eyes?

Once your doctor puts in the dilating drops, it takes about 20–30 minutes for your pupils to fully open, or dilate. After your eyes are fully dilated, the effects will last for four to six hours for most people. Some people feel the effects of dilating drops for longer, including people with lighter color eyes.

Why would my dogs eye be swollen and red?

This easy-to-spy problem is common in both cats and dogs and can be caused by an injury, an irritation or even a disease. Regardless of the cause, your pet's eye may look roughly the same: Some or all of the structures surrounding the eye will be red and/or visibly swollen, a condition commonly known as conjunctivitis.

Can a dog be blind in one eye?

If your dog is blind, there are a few things you might notice about your dog's behaviour: Most obviously, dogs that bump into things may be losing their sight. If your dog is blind in one eye, they may be startled by sudden movements on their blind side – they won't have seen you or something else coming.

Can a dog be happy with one eye?

The good news is that dogs can quite easily adapt to life with one eye and live long, happy, and completely problem-free lives. However, if your pet is having an eye removed, you'll need to offer whatever assistance you can to help make the adjustment to their new circumstances as smooth as possible.

What causes dogs eyes to droop?

Ectropion is a common condition of dogs where the lower eyelids droop or roll out. Hereditary or developmental ectropion is most common in young dogs whereas acquired ectropion can develop as a result of nerve damage or injury and can occur with corneal injury, infection or other severe inflamatory conditions.

What causes a dog's eyes to tear?

Epiphora in Dogs. Epiphora is a condition that causes an abnormal overflow of tears. Causes of epiphora due to the shape of the eyes is seen in many breeds. The overproduction of tears can be congenital due to distichiasis – turning in of the eyelashes, or entropion – the turning in of the eyelid.

What causes a dog's eye to bulge?

Proptosis is a medical condition which causes a dog's eye to move forward. This typically noticeable (and unseemly) medical condition is frequently associated with head trauma, and often threatens the dog's vision.

What causes a dogs eye to bulge?

Proptosis is a medical condition which causes a dog's eye to move forward. This typically noticeable (and unseemly) medical condition is frequently associated with head trauma, and often threatens the dog's vision.

What causes dogs eyes to water?

Excessive tearing can occur as a result of irritation to your dog's eyes or because your dog's tears are not draining properly. Conditions that might irritate the eye include dog eye infections, glaucoma, and eyelash or eyelid problems.

What causes an eye to rupture?

The cause of a subconjunctival hemorrhage isn't always known. The following actions may cause a small blood vessel to rupture in your eye: Violent coughing. Powerful sneezing.

What causes dogs to get eye ulcers?

There are several causes of corneal ulcers in dogs. The most common cause is trauma. An ulcer may result from blunt trauma, such as a dog rubbing its eye on the carpet, or due to a laceration, such as a cat scratch or a contact with a sharp object. Another common cause is chemical burn of the cornea.

What causes a dogs eye to swell?

Some common causes for swollen eyes in dogs and cats may include: An allergic reaction (this can be from an inhaled allergen or from a food allergy), often involving additional swelling of the lip(s) and face. A bee sting to the eye (can also cause swelling of the lip(s) and face) An infection of the eye or eyelid.

What causes a dog's eye to rupture?

The most common cause is trauma. An ulcer may result from blunt trauma, such as a dog rubbing its eye on the carpet, or due to a laceration, such as a cat scratch or a contact with a sharp object. Less common causes of corneal ulcers include bacterial infections, viral infections, and other diseases.

What causes a dog's eyes to bulge?

When there is a problem with the drainage of this fluid, pressure builds within the eye. This high pressure can have severe side effects including damage to the optic nerve, which can result in blindness. Glaucoma is a very painful condition; its most common sign is bulging of the eyes.

What causes a dog's eye to droop?

Ectropion is a common condition of dogs where the lower eyelids droop or roll out. Hereditary or developmental ectropion is most common in young dogs whereas acquired ectropion can develop as a result of nerve damage or injury and can occur with corneal injury, infection or other severe inflamatory conditions.

Can cherry eye be caused by trauma?

What Causes Cherry Eye in Dogs? Trauma to the head or eye can cause prolapsed third eyelid glands. Most times, however, the problem occurs without trauma, and it's likely that it has to do with the eye conformation of the dog.

What would cause a dog to pant excessively?

Some common reasons dogs pant heavily include: Heatstroke or poisoning. It's normal for a dog to start breathing harder or panting after exertion. And some dogs, like Boston terriers, bulldogs, and pugs, are prone to heavier breathing than other dogs because of their short snouts.

What would cause my dog to cough up blood?

Heart disease associated with blood clots may cause your dog to cough up blood whereas a heartworm infection can push blood into the airways. Pulmonary hypertension, or high blood pressure, can develop when the arteries are narrowed or blocked, leading to coughing and spitting up blood from the lungs.

What would cause a dogs back legs to stop working?

When this happens, the discs press on the nerves that run through the spinal cord, which can cause paralysis. Another common cause of dog paralysis is Degenerative Myelopathy (DM). This occurs when a small portion of a spinal disc breaks off of your dog's spinal column and blocks blood flow to a portion of his body.

What would cause a dog's skin to turn red?

Sores and Hot Spots. Other common causes of pruritus (itchy skin) are external parasites such as mites and fleas (in non-allergic dogs), and primary bacterial infections. If you spot any red, sticky sores on your dog, get him evaluated before it worsens.

What would cause my dog's skin to turn black?

Black skin disease can occur in any breed and any age. Eventually, the skin becomes bald and is prone to frostbite or sunburn and infection. The skin where the hair has fallen out will begin to darken; this is called hyper-pigmented skin. Black skin disease does not cause itching or irritation.

What would cause a dog to stop eating?

Causes of Anorexia in Dogs. Illness is just one of a few reasons why dogs don't eat. Your dog's appetite loss could also be caused by a change in environment, a drug reaction, dental disease, pain, or nausea.

What would cause a dog to act drunk?

It's scary to see your dog suddenly look drunk, not be able to walk, develop rapid, abnormal eye movement (called a nystagmus) and fall to his or her side. When this happens, one common benign cause may be due to “old dog vestibular disease.” In actuality, it's an acute inflammation of the vestibular nerve.

What would cause a dog's bark to change?

Dogs that have the inherited form of the disease have a deficiency in the amount of receptors that allow sodium into muscle cells, and their muscles don't contract properly. This causes generalized weakness that often results in collapse after exercise.

What would cause my dog to act drunk?

It's scary to see your dog suddenly look drunk, not be able to walk, develop rapid, abnormal eye movement (called a nystagmus) and fall to his or her side. While it's not the fanciest disease name, old dog vestibular disease looks like a stroke. In actuality, it's an acute inflammation of the vestibular nerve.

What would cause a dog not to drink water?

Kidney disease and diabetes are two health issues that can result in a dog stopping drinking water completely. In addition, if your dog is suffering from a canine urinary tract infection or a bladder infection than they may also display a decrease in thirst.

What would cause a dog's liver to enlarge?

An enlarged liver in dogs can often be accompanied by ascites, or fluid accumulation in the abdomen, in which the dog displays an abnormally swollen belly. It is important to identify and diagnose the cause of an enlarged liver early, so that the underlying cause may be treated.

What would cause my dog to pant excessively?

Some common reasons dogs pant heavily include: Heatstroke or poisoning. It's normal for a dog to start breathing harder or panting after exertion. And some dogs, like Boston terriers, bulldogs, and pugs, are prone to heavier breathing than other dogs because of their short snouts.

What would cause a dog to pee in their sleep?

The inflammation caused by a condition such as a urinary tract infection can cause your dog to not realize that he is peeing while asleep. A dog with an infection of the urinary tract may have excessive thirst and therefore, pee more often - sometimes not waking when his bladder is full.

What is it called when a dog has one blue eye and one brown eye?

These so-called odd-eyed cats are white, or mostly white, with one normal eye (copper, orange, yellow, green), and one blue eye. Among dogs, complete heterochromia is seen often in the Siberian Husky and few other breeds, usually Australian Shepherd and Catahoula Leopard Dog and rarely in Shih Tzu.

How many centimeters do you have to be dilated to be admitted to the hospital?

Generally speaking, once you are past 5 or 6 centimeters and having regular contractions, most practitioners will be fairly insistent that you remain in the hospital until your baby is born.

Can eye styes be caused by stress?

A stye usually stems from a bacterial infection that causes a blocked eyelid oil gland or clogged eyelash follicle. Stress and hormonal changes also can bring on a stye. Blepharitis, which is a condition that causes the eyelids to become inflamed, often is linked to styes and chalazia. So is rosacea, a skin condition.

What would cause a dog to poop blood?

A fecal flotation, also called a fecal, enables your veterinarian to determine if your dog has intestinal parasites. Parasites that can cause blood or mucus in your dog's stool include: Hookworms. Whipworms.

What would cause a dogs blood not to clot?

Hemophilia A is a deficiency of Factor VIII, and the most common congenital bleeding disorder. Acquired Clotting Protein Disorders occur as a result of liver disease, as the liver produces most of your dog's clotting proteins, or in cases of liver toxicity, such as Vitamin K poisoning via rodenticide.

What would cause a dog to have diarrhea?

One of the most common causes of diarrhea is a recent dietary change. In more cases than not, if the new food isn't slowly transitioned into the dog's diet, it will likely result in diarrhea. This often occurs when pet parents begin to transition their pup into an all natural or a raw food diet.

What would cause a dog to have seizures?

There are many causes of seizures. Idiopathic epilepsy, the most common cause of seizures in the dog, is an inherited disorder, but its exact cause is unknown. Other causes include liver disease, kidney failure, brain tumors, brain trauma, or toxins. Affected dogs can appear completely normal between seizures.

What would cause my dog's face to swell up?

Pawing at the face is a common sign of an allergic reaction. While dogs can have allergic reactions to a multitude of things, including medications, pollen, dust and food, abrupt facial swelling after being outdoors is commonly caused by a bee sting or insect bite.

What would cause a dog to pee uncontrollably?

Infections, tumors, spinal cord injuries, kidney disease and problems with the bladder can cause incontinence in dogs of any age and can lead to house-training accidents. Diseases that cause increased drinking, such as diabetes, may result in increased urination and accidents.

What would cause a dog not to pee?

Obstructions in your dog's bladder or urethra can lead to urinary retention. These obstructions can be the result of bladder stones, urethral plugs, blood clots, a narrowing of the urethra (called stricture), or even cancerous tumors. Also, if minerals accumulate in the urinary tract, it can also cause an obstruction.

What would cause a dog to lose weight?

Weight Loss Causes in Dogs and Cats. Because 2/3 of your pet's body is water, sudden weight loss may be caused by dehydration rather than by loss of fat. Under some circumstances, your pet becomes dehydrated and loses weight too.

What would cause a dog's back legs to give out?

Degenerative myelopathy initially affects the back legs and causes muscle weakness and loss, and lack of coordination. These cause a staggering affect that may appear to be arthritis. The dog may drag one or both rear paws when it walks. This dragging can cause the nails of one foot to be worn down.

What would cause a dog's lymph nodes to swell?

Swollen lymph nodes in dogs can be a sign of many diseases and infections of tissue throughout the body. “Lymphadenopathy” is the term for enlarged lymph nodes, which can be caused by many conditions, and “lymphadenitis” is the term for swollen lymph nodes that are caused by infection or inflammation.

What would cause a puppy to poop blood?

Typically, if the patient is well but the bowel movement persistently bloody. the veterinarian may request a stool sample for analysis. This is looking for the presence of parasites (such as giardia or worms) or bacterial infections (such as salmonella or clostridia) which can cause blood in dog stool.

What would cause my dogs hair to fall out?

A list of common causes of hair loss in dogs include: Demodectic mange: Caused by Demodex mites, this type of mange can result in hair loss, scaling, redness, ulcers and sometimes darkening of the skin.

What would cause a dog to go blind overnight?

Cataracts and blindness are an inevitable result of diabetes in dogs. Kidney failure and resulting hypertension can result in retinal detachment and blindness. A less known cause of sudden blindness in dogs is Sudden Acquired Retinal Degeneration Syndrome, or SARDS.

What would cause a dog to breathe hard?

Some common reasons dogs pant heavily include: Heatstroke or poisoning. It's normal for a dog to start breathing harder or panting after exertion. And some dogs, like Boston terriers, bulldogs, and pugs, are prone to heavier breathing than other dogs because of their short snouts.

What would cause a dog to have tremors?

When to See a Vet. Dogs shake and tremble for all kinds of reasons -- excitement, pain, old age, even nausea. Shivering and trembling may be symptoms of something serious -- like poisoning, kidney disease, or injury.