Tag: dog antihistamine

The standard Benadryl (diphenhydramine) dose for dogs is 1 mg per pound (about 2 mg/kg) every 8-12 hours by mouth. ...

Chlorpheniramine dosage calculator for dogs. 0.2-0.4 mg/kg PO every 8-12 hours. First-generation antihistamine for atopy, allergic reactions, mild sedation.