Can dogs take human antihistamines?

Best answers

Antihistamines can be used in dogs to reduce the signs of allergy.

The following antihistamines appear safe in dogs (note that Benadryl is no longer sold in Australia as diphenhydramine tablets).

These doses have essentially been worked out by trial and error and often scaled down from human doses.

FAQ
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Antihistamines are usually safe but can make some dogs drowsy and others hyperactive. OTC antihistamine preparations may contain other ingredients such as decongestants that are not safe for dogs.
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Antihistamines are usually safe but can make some dogs drowsy and others hyperactive. OTC antihistamine preparations may contain other ingredients such as decongestants that are not safe for dogs.
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The first way to get relief for your pet is the same—antihistamines! You must consult your vet to determine which antihistamine is best and get specific dosage for your dog.

Unfortunately, antihistamines are only effective in 30% of dogs.

Other times, as allergies progress, antihistamines are no longer effective."

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Antihistamines. Benadryl (diphenhydramine), Zyrtec (cetirizine), and Claritin (loratadine) are commonly used antihistamines that relieve allergy symptoms or counteract allergic reactions.

Antihistamines are usually safe but make some dogs drowsy and others hyperactive.

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AntihistamineDose per 10Kg DogCetirizine (Zyrtec 10mg tablets or suspension) 5mg or Half a tablet or10mg or 1 tabletCyproheptadine (Periactin 4mg tablets) 8mg or 2 tabletsDexchlorpheniramine (Polaramine 2mg tablets or syrup) 4mg or 2 tabletsLoratadine (Claratyne 10mg tablets or syrup) 10mg or 1 tablet2 autres lignes • 8 mars 2013

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Antihistamines can be used in dogs to reduce the signs of allergy.

The following antihistamines appear safe in dogs (note that Benadryl is no longer sold in Australia as diphenhydramine tablets).

These doses have essentially been worked out by trial and error and often scaled down from human doses.

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Antihistamines such as Benadryl may help stop your dog's itch.

This medication actually blocks the release of histamine in cells, which causes the reddening and itching of the skin in response to an insect bite or allergy.

In fact, only about 30% of dogs are more comfortable when they're given Antihistamines.

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