There is no clear indication as to how long you can take Fangfeng Tongsheng Pills. If symptoms are not relieved after 3 days of taking the medicine, you should go to the hospital. Fangfeng Tongsheng Pill is a proprietary Chinese medicine with the efficacy of relieving exterior and interior heat and clearing away heat and toxins (removing heat and toxins from the body), composed of 17 Chinese medicines, including Fangfeng, ephedra, gardenia, gypsum, and chuanxiong. It is clinically used for the treatment of cold (fear of cold), fever, scrofula (mainly refers to the neck lymph node tuberculosis) at the beginning, rubella, eczema, headache, throat dryness, urination (urine is small in volume and dark yellow in color) and constipation caused by external cold and internal heat, as well as the solidity of both the exterior and the interior of the body. People who are allergic to the drug composition of Fangfeng Tongsheng Pill are prohibited from taking it. Pregnant women, people with high blood pressure, heart disease and allergies should be cautious. Children, the elderly and infirm, lactating women, spleen deficiency loose stools (thin and unformed stools) and chronic diseases such as liver disease, kidney disease and other chronic diseases need to take Fangfeng Tongsheng Pills in strict accordance with the doctor’s instructions. During the medication, avoid smoking, alcohol, spicy, greasy, cold, fish and seafood food, avoid taking tonic Chinese medicine. Please take the specific medication under the guidance of a professional physician.