Allerfin is a medication containing 4 mg of Chlorpheniramine maleate, available in a pack of 30 tablets. This antihistamine medication is used to provide relief from allergy symptoms. Chlorpheniramine maleate is an antihistamine that helps relieve allergy symptoms like sneezing, runny nose, itchy eyes, and skin reactions. The 4 mg dosage is a common therapeutic strength. As this is a medication, please consult your healthcare provider before use for proper dosing instructions and to discuss potential side effects or interactions.