Compound pseudoephedrine hydrochloride sustained release capsules trade name: Xinkangke is a compound preparation, each tablet contains pseudoephedrine hydrochloride 90mg；; Chlorphenamine maleate, (chlorpheniramine) 4 mg pseudoephedrine hydrochloride is an adrenaline-like drug, which has the functions of constricting capillaries of upper respiratory tract, eliminating congestion of nasopharyngeal mucosa and relieving nasal congestion. Phenylethylamine tablets and Tylenol Ganmao tablets each contain acetaminophen 325 mg, pseudoephedrine hydrochloride 30 mg, dextromethorphan hydrobromide 15mg and chlorphenamine maleate over 2 mg. It can be seen that if the contents come from the instructions of the two drugs, the new Contac is a sustained-release preparation, which is taken once every 12 hours. In use, it is more willing to accept the combination of pseudoephedrine hydrochloride and dextromethorphan hydrobromide in Tylenol, which can eliminate nasal mucosal edema to achieve the effective purpose of nasal congestion and also have the effect of relieving cough. Therefore, Tylenol is more reasonable for people with nasal congestion and cough accompanied by cold symptoms-