Dog Medicine Dosage Calculator
Medicine Dosage by Weight
Formula
Benadryl: 2 mg/kg, max 100 mg. Pepcid: 0.5 mg/kg, max 40 mg. Aspirin: 10 mg/kg, max 600 mg (short-term). H2O2 (3%): 1 tsp per 5 lbs, max 3 tbsp. Melatonin: <10 lbs = 1 mg, 10-25 lbs = 1.5 mg, 25-100 lbs = 3 mg, >100 lbs = 5 mg. Fish Oil EPA: 20 mg per lb.
Frequently Asked Questions
What human medications are safe for dogs?
Some commonly used human medications for dogs (with vet approval) include Benadryl (diphenhydramine), Pepcid AC (famotidine), and buffered aspirin for short-term use. However, NEVER give your dog medication without consulting your vet first, as dosages and safety vary by individual dog.
How much Benadryl can I give my dog?
The standard veterinary dosage for Benadryl is 1 mg per pound of body weight (2 mg/kg), given 2-3 times daily. A 50-lb dog would get about 50 mg (two 25-mg tablets). Always use plain diphenhydramine and avoid formulations with decongestants or xylitol.
What medications are toxic to dogs?
Many common human medications are toxic to dogs, including ibuprofen (Advil/Motrin), acetaminophen (Tylenol), pseudoephedrine, and xylitol-containing medications. Antidepressants, ADHD medications, and sleep aids are also common causes of pet poisoning. Always keep medications out of reach and consult your vet.
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