Also known as: Diphenhydramine, Benadryl, Allergy Medicine, Sleep Aid
Antihistamines cause sedation, agitation, and cardiovascular effects
1 to 6 hours
Agitation, elevated heart rate, vomiting, seizures
Monitor for symptoms, contact vet for large amounts
Large doses or cardiovascular symptoms
Call if symptoms develop
Disclaimer: This information is for educational purposes only and is not a substitute for professional veterinary advice. Always consult your veterinarian for medical decisions.