Use this Benadryl dosage calculator for dogs to find the safe dose based on your dogs weight. Includes dosage charts & vet-approved guidelines.
Along with the dosage calculator and detailed, step-by-step display of treatment phases, you'll find a clearly illustrated heartworm life cycle chart and video for use when explaining how heartworms infect a pet.

This guide details the correct Benadryl dosage chart for all breeds, provides precise weight-based calculations, and highlights health conditions that make this medication risky.

Calculate your pet's minimum and maximum dosage of diphenhydramine antihistamine, Benadryl, with this easy-to-use calculator.

Suggested weight and measurement conversions, uses, medication dosage precautions. Bookmark this chart of pet medications, wormers, milk replacements and what is considered safe for your cat or dog.
It seems like it would contain diphenhydramine; however, it contains a combination of diphenhydramine and other medications, including a dose of acetaminophen that could be lethal to a pet.