Dexchlorphenamine
Dexchlorpheniramine
Chemical compound
Dexchlorpheniramine (trade name Polaramine) is an antihistamine with anticholinergic properties used to treat allergic conditions such as hay fever or urticaria.[1][2] It is the pharmacologically active dextrorotatory isomer of chlorpheniramine.
It came into medical use in 1959 and was patented in 1962.[3]