Gentamicin calculator for dogs. Otic (2-3 drops BID), ophthalmic, systemic (6-10 mg/kg IV/IM once daily). Aminoglycoside - eardrum intact for otic, nephrotoxic systemic.

Terramycin (oxytetracycline) calculator for dogs. Ophthalmic ointment for bacterial conjunctivitis 3-4 times daily. Oral largely replaced by doxycycline.

Meclizine (Bonine) dosage calculator for dogs. 4-8 mg/kg PO once daily. Motion sickness, vestibular disease. Once-daily advantage. Less sedating than Dramamine.

Phenergan (promethazine) dosage calculator for dogs. 0.5-1 mg/kg PO every 8-12 hours. Antihistamine + antiemetic + sedative. Cerenia preferred for vomiting.

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.