At present there is no clear regulation of how long to take bear bile powder can be effective, the specific effect of time should be based on the patient’s own condition, physical condition, etc. to decide, can not be generalized, the use of medication need to strictly comply with the doctor’s instructions. Bear bile powder is a proprietary Chinese medicine, the main ingredient is bear bile powder, have clear heat, calm the liver, the effectiveness of the purpose, mainly used for eye redness and swelling pain, sore throat and other diseases. At present, the manual and related literature does not specify how long to take the drug can be effective, the specific efficacy of the drug by the individual physique, the degree of severity of the individual’s condition, and other factors, the body physique is better, the condition of light people, the premise of the right medication, it is a short period of time; and vice versa, note that after 3 days of medication, the symptoms are not relieved, you should go to the hospital for medical attention. The adverse reactions and contraindications of the drug are not clear, note: avoid smoking, alcohol, spicy stimulating food; pregnant women should be used with caution; children should be used under the guidance of a physician; the use of foreign body sensation when using the drug or after the use of the drug, there are itching of the eyes, eyelid skin redness, eye distension, or allergic phenomena should be discontinued, and go to the hospital; and so on. If there is any discomfort, please consult a doctor in time and use the medicine under the guidance of a professional Chinese medicine practitioner.