Pheneramine Maleate (Vet) 30 Ml Inj is an antiallergic medicine used in the treatment of allergic conditions caused due to pollen, dust mites, mould spores, food, pet dander, insect stings, and medicines/drugs. It contains pheniramine maleate which works by inhibiting the action of histamine (chemical messenger) responsible for allergy. Common side effects include injection site reactions, drowsiness, nausea, vomiting, stinging, etc.