Diphenhydramine (Generic Benadryl)

Diphenhydramine

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What is Diphenhydramine (Generic Benadryl)?

Diphenhydramine is an antihistamine used to relieve allergy symptoms, insect stings, motion sickness, travel anxiety, and other conditions.

For:

Cats and Dogs

Benefits:

Effectively relieves allergy symptoms and itching caused by insect bites
Can be used as a sedative to treat motion sickness or travel anxiety
Relieves coughing

How does Diphenhydramine (Generic Benadryl) work?

Diphenhydramine comes in 25 mg minitabs or 50 mg capsules, and is a generic version of Benadryl. As an antihistamine, it counteracts the effect of histamine, which causes symptoms like itching and sneezing.

Cautions:

This medication should not be used in pregnant or nursing animals. Do not use the diphenhydramine available in combination with sinus or cold medicines in your pet.

Brand Name:

Benadryl (Warner Lambert), Histacalm (Virbac)

Generic Name:

Diphenhydramine (dye-fen-hy'-dra-meen)

Manufacturer:

Various

What is the most important thing I should know about Diphenhydramine (Generic Benadryl)?

Diphenhydramine is an antihistamine used to relieve allergy symptoms, insect bites or stings and other causes of itching. It is also used for its sedative and antiemetic effects in the treatment of motion sickness and travel anxiety. It is also used for its antitussive effect. Diphenhydramine is a non-prescription (OTC) product available as 25 mg minitabs and 50 mg capsules.

What should I discuss with my veterinarian before giving Diphenhydramine (Generic Benadryl) to my pet?

Tell your veterinarian if your pet is allergic to diphenhydramine or other antihistamines. Also tell your veterinarian if your pet is pregnant or lactating, or has history of glaucoma, prostate disease, urinary obstruction, or high blood pressure. Always tell your veterinarian and pharmacist what other medications your pet is taking.

How should Diphenhydramine (Generic Benadryl) be given?

Oral diphenhydramine is not FDA-approved for use in veterinary medicine; however, it is a commonly accepted practice to use this medication in dogs and cats. The usual dose in dogs and cats is 0.5-2 mg/lb every 8-12 hours. The slow release capsule should not be mixed or dissolved in food.

What are the potential side effects of Diphenhydramine (Generic Benadryl)?

Side effects of diphenhydramine include drowsiness, dry mouth and urinary retention. Rarely, vomiting and diarrhea can occur.

What happens if I miss giving a dose of Diphenhydramine (Generic Benadryl)?

Give the missed dose as soon as possible. If it is almost time for the next dose, skip the missed dose, and continue with the regular schedule. Do not give your pet two doses at once.

What happens if I overdose my pet on Diphenhydramine (Generic Benadryl)?

Contact your veterinarian or veterinary emergency room. Symptoms of overdose can include seizures, extreme drowsiness, coma, respiratory depression, and death.

What should I avoid while giving Diphenhydramine (Generic Benadryl) to my pet?

Do not give other sinus or cold medicines containing diphenhydramine to your pet while giving Diphenhydramine (Generic Benadryl).

What other drugs will affect Diphenhydramine (Generic Benadryl)?

Use with caution when given with other CNS (central nervous system)-depressant drugs such as tranquilizers or barbiturates.