You can generally drink tea after taking medicine, except for tranquilizers. However, everyone’s constitution is different, so how long you can drink tea after taking medicine must be analyzed on a case-by-case basis. If the patient is taking a western medicine for a cold, he or she should usually drink tea half an hour after taking the medicine without reducing its effectiveness. If the drug instructions strictly prohibit drinking tea after taking the medicine, you need to strictly follow the relevant instructions, so as to avoid the effectiveness of the medicine can not play well, or worse, will be counterproductive. And if the patient is taking Chinese medicine, it is usually recommended not to drink tea within two hours of taking the medicine, so as not to affect the effectiveness of the medicine. In addition, patients in the choice of medication, it is best to consult the relevant departments of doctors, or ask the pharmacist when buying drugs, listen to the advice of professional physicians medication, do not blindly use drugs to avoid harm to the body.