Last Updated : 2019-04-18 17:52:49
Ryukakusan was originally a cold medicine derived from a Chinese herbal medicine. It is a very delicate powder. Its a very popular cold medicine in Japan（OTC）. Ryukakusan got its name from the fact that its prescriptions used borneol，gelatinum cornus cervis,fossil of ancient mammals and some ingredients, hence the name. Currently the main products are tablets, lozenges, powder . If your symptoms isno phlegm or little phlegm, or night sweats ,coughingblood, maybe you are not suitable for medicine. In the meantime, because contain licorice, also should monitor the index such as blood pressure, blood sugar when taking this product, long-term take still need to notice the index such as blood sodium and blood potassium.