Piriton

Benadryl Allergy contains acrivastine which provides provides symptomatic relief in conditions believed to depend wholly or partly upon the triggered release of histamine. It is a potent competitive histamine H1 antagonist which lacks significant anti-cholinergic effects, and has a low potential to penetrate the central nervous system. It is a non sedating antihistamine.

NeoClarityn contains desloratadine, which is a non-sedating, long-acting histamine antagonist with selective peripheral H1-receptor antagonist activity. After oral administration, desloratadine selectively blocks peripheral histamine H1-receptors because the substance is excluded from entry to the central nervous system.

Cyproheptadine hydrochloride 4mg tablets containing cyproheptadine hydrochloride equivalent to 4mg anhydrous cyproheptadine hydrochloride. It is a serotonin and histamine antagonist with anticholinergic and sedative properties.

Phenergan is a potent, long-acting antihistamine with additional anti-emetic central sedative and anticholinergic properties.

Tavegil (clemastine) is an H1-recptor antagonist. It belongs to the benzhydryl ether group of antihistamines. Tavegil inhibits selectively the histamine receptors of the H1 type and reduces capillary permeability. It exerts a potent antihistaminic and antipruritic effect with a fast onset and long duration of action up to 12 hours