Phenylpropanolamine is a decongestant. It works by constricting (shrinking) blood vessels (veins and arteries) in your body. Constriction of blood vessels in your sinuses, nose, and chest allows drainage of those areas, which decreases congestion.
Chlorphenamine maleate blocks the effects of histamine and so reduces symptoms like itchy, watery eyes, running or blocked nose, sneezing and rashes.₱ 4.25
Sybroxol is a mucolytic agent used in the treatment of respiratory disorders associated with viscid or excessive mucus. It alters the structure of mucus to decrease its viscosity and therefore facilitate its removal by ciliary action or expectoration.₱ 4.75