Can dogs take human thyroid medicine?

Best answers

Dogs and humans both can be prescribed thyroid hormones for conditions such as hypothyroidism.

The hormone levothyroxine (a synthetic form) is the typical choice for treatment in canines and humans alike.

Overdose of this hormone can cause toxicity in your pet.

FAQ
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Diphenhydramine (Benadryl®), cetirizine (Zyrtec®), and loratadine (Claritin®) are commonly used antihistamines that relieve allergy symptoms or counteract allergic reactions. Antihistamines are usually safe but can make some dogs drowsy and others hyperactive.
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Nonsteroidal anti-inflammatory drugs, or NSAIDs, help reduce swelling, stiffness, and joint pain in humans, and they can do the same for your dog. They can bring relief to a dog with arthritis, or one who's just had surgery. But don't give your pooch something from your medicine cabinet.
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Imodium (loperamide) is another over-the-counter medication dogs can take, which also helps resolve diarrhea. Dogs with certain conditions and dogs taking certain medications should not be given Imodium, so check with your veterinarian before administering it.
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Dramamine. Just like humans, dogs get motion sickness. Dogs prone to car sickness or other bouts of nausea can safely take Dramamine, but beware that it may cause your dog to become very sleepy.
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Over-the-counter (OTC) pain relievers can endanger your dog's health. Unless under the explicit direction of a trusted veterinarian, dogs should not be given human medications like ibuprofen (Advil), acetaminophen (Tylenol), or aspirin. Skip the medicine cabinet for pet pain relief.
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My Top 10 List of Over-the-Counter Human Meds That Can Be Used on Pets

  • Pepcid AC (famotidine)
  • Tagamet HB (cimetidine) ...
  • Aspirin
  • Artificial tears and other ophthalmic lubricants…
  • Benadryl (diphenhydramine)
  • Zyrtec (cetirizine)
  • Claritin (loratadine) ...
  • Neosporin and antibiotic gels.
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You will typically see improvement in your dog's activity level within a few weeks of starting thyroid hormone replacement therapy. However, hair regrowth takes longer, typically at least 4 months. Skin and ear problems also may take longer to clear up and require additional medications.
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