Bi Yan Pian, NasoPass is a Chinese herbal medicine particularly formulated to bring relief and support to the upper respiratory system. It is commonly recommended by Chinese doctors to help reduce symptoms such as nasal congestion, and stuffy nose with phlegm. The standard dosage for Nasopass is 6 tablets taken 2 to 3 times daily with or before meals. One bottle lasts users 11 to 17 days. Consult your practitioner for precise dosage recommendations based on body weight and other factors. Nasopass has a mild action and therefore it usually takes time before its effects become apparent. When you choose Guang Ci Tang products, you are taking advantage of a wonderful fusion of science and tradition that incorporates the highest standards in the field of Chinese medicine today.