
Diphenhydramine 50mg
Free delivery
Typical Consumer
Price
PETPLUS
Member Price
Cannot be combined with other offers
Every time a new member signs up, we will donate a FREE membership to a Best Friends adopted animal. Best Friends is America's largest animal sanctuary.
Get all these benefits with $139.95 annual membership
SEE BENEFITSOur customers typically save close to $200/yr when purchasing preventatives as members of PetPlus.
PetPlus is a membership plan that gives you wholesale pricing on preventatives, supplements and speciality foods.
With Free Shipping always, no minimums.
Why Become A Member? Additional Ways To Save With PetPlus
Typical Annual Savings "For Your Pet
![]() |
![]() |
![]() |
![]() |
![]() |
|||
Typical Annual Cost | $40 | $190 | $95 | $112 | $200 | ||
PetPlus Annual Cost | $12 | $110 | $55 | $68 | $150 | ||
Sample Annual PetPlus Savings | $28 | $80 | $40 | $44 | $65 | ||
$242
![]() |
We're Here to Help You Every Step of the Way
Wholesale Prices on Pet Medication & Supplements | ![]() |
Free 24/7 Pet Help provided by whiskerDocs | ![]() |
Wholesale Prices on RX & Premium Foods and Treats | ![]() |
Convenient Medication Pickup Option | ![]() |
Free Delivery on Medication | ![]() |
Product Description
Diphenhydramine is an antihistamine used to relieve allergy symptoms, insect stings, motion sickness, travel anxiety, and other conditions in dogs and cats.
Diphenhydramine is the Generic Alternative to Benadryl.
Side Effects & Warnings
Lethargy, dry mouth, and urinary retention. Vomiting, diarrhea, and lack of appetite are less commonly seen. 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.
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.
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.
Need Help? Call 1-866-893-0306