Learn about Benadryl for dogs, including how much you can give your dog and if it's safe, with expert insights from a veterinarian.
Pet Antihistamine Diphenhydramine Dosage Calculator. To calculate the Benadryl dose for dogs and cats, use the appropriate calculator based on tablet or liquid medication. The dosage is calculated by the weight of your dog or cat.
A standard dose of Benadryl for dogs is one mg per pound or 2.2 mg per kilogram of your dog's weight. If you prefer to use pounds, multiply the dog's weight by 1 mg: dogs weight in lb 1 mg.
Benadryl Dosage Chart for Dogs by Weight. This Table Is a Reference Only Always Confirm With Your Veterinarian. The doses below reflect the standard 1 mg/lb guideline from the Merck Veterinary Manual.
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Calculate Benadryl (diphenhydramine) dosage for dogs by weight. Get dose in mg plus liquid (12.5 mg / 5 mL), 25 mg tablets, and 12.5 mg chewables. Includes a dosage-by-weight chart and how often dosing is typically referenced.
Calculate the safe Benadryl (diphenhydramine) dose for your dog: 1 mg per pound, up to 3 times per day.Standard dose: 1 mg per lb body weight per dose. Frequency: every 812 hours (23 doses/day). Only plain Benadryl (25 mg).
