Published dose range
Published guidance for dogs: VET-DIRECTED (prescription only).
Source: Merck Veterinary Manual →Vets prescribe amoxicillin, but the product, strength, and course length are infection-specific. Leftover human pills are usually the wrong strength and an incomplete course, which breeds resistant bacteria. Some human products pair it with clavulanate at ratios meant for people.
Skip it or ask a vet first if
penicillin allergy
If you think you overdosed
Call the Pet Poison Helpline: 855-764-7661 or ASPCA Poison Control: 888-426-4435. Both are staffed 24/7 by veterinary toxicologists.