Antihistamine, local anesthetic

Act by preventing the binding of histamine to HI receptor 

Antihistaminic, can be allergic , anaphylactic reactions

Dog/cat-0.2-0.4 mg/ kg I/M, 5.25-12 mg/kg PO

Mild sedation or reduced seizure threshold

Convulsions, high fever, muscle stiffness

Phenergan 

• 2 ml ampoule
• Each ml contains 25 mg

Avomine

• Tab 25 mg