Diphenhydramine RX, generic of Benadryl

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This product requires a prescription


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Product Details

About Diphenhydramine Rx (Generic Benadryl)

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

Key Benefits of Diphenhydramine Rx (Generic Benadryl) 

  • 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

Who's Diphenhydramine Rx (Generic Benadryl) For?

Used for allergies, motion sickness, insect bites or stings, travel anxiety, nausea, coughing, reverse-sneeze.

Diphenhydramine Rx (Generic Benadryl) Ingredients

In Diphenhydramine 50 mg Capsules:

Diphenhydramine Hydrochloride 50 mg

Other ingredients (per capsule):

Colloidal Silicon Dioxide, Croscamellose Sodium, D&C Red #28, FD&C Blue #1, FD&C Red #3, FD&C Red #40, Gelatin, Lactose, Magnesium Stearate. May also contain Polysorbate 80 and iron oxide.

Side Effects and Warnings

  • Lethargy
  • Dry mouth
  • Urinary retention
  • Vomiting
  • Diarrhea
  • Lack of appetite

Sedative effects may decrease over time.

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.

Diphenhydramine Rx (Generic Benadryl) Directions

Dogs: 0.5 to 2 mg per pound (1 to 4 mg/kg) orally two to three times daily.

Cats: 0.25 to 0.5 mg per pound (0.5 to 1 mg/kg) PO every 12 hours but it has a bitter taste.