Antihistamine Dosages
Antihistamine Dosages
Drug | Dosage |
|---|---|
Diphenhydramine | 2–4 mg/kg, bid-tid |
Hydroxyzine | 0.5–2 mg/kg, tid-qid |
Clorpheniramine | Cats: 2–4 mg, bid |
Dogs <20 kg: 4 mg, tid | |
Dogs >20 kg: 8 mg, tid; 0.25–0.5 mg/kg, tid | |
Cyproheptadine | 0.25–0.5 mg/kg, tid; 1.1 mg/kg, bid |
Terfenadine | 5 mg/kg, bid |
Clemastine | Cats: 0.05 mg/kg, bid |
Dogs: 0.1 mg/kg, bid | |
Trimeprazine | 1 mg/kg, bid |
Cetirizine | Dogs: 1 mg/kg or 10–20 mg per dog, once or twice daily |
Cats: 1 mg/kg or 5 mg per cat, once or twice daily | |
Fexofenadine | Dogs: 2–5 mg/kg, once or twice daily |
Cats: 10–15 mg per cat, once or twice daily |