Published dose range
Published guidance for dogs: VET-DIRECTED (prescription only).
Source: Veterinary Partner (VIN) →Prescription antihistamine for itching and allergic reactions, more sedating than OTC options. The amount comes from your vet.
Skip it or ask a vet first if
glaucomaurinary blockage history
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.