The harmful effects of taking too much medicine on the body include impaired liver and kidney function, stomach damage, low blood sugar and low blood pressure, and drug resistance. First of all, liver and kidney functions are impaired. Most drugs will be synthesized and metabolized by the liver after oral intake and will eventually be excreted from the kidneys. Long-term use of some drugs can cause damage to liver and kidney function. This kind of damage is different, generally as long as you follow the doctor’s instructions to use drugs, the vast majority of the body is less harmful. Secondly, the stomach is damaged. After taking drugs need to be digested and absorbed by the stomach. Long-term use of drugs that have an effect on the gastric mucosa may lead to gastric mucosal lesions, such as long-term oral non-steroidal anti-inflammatory drugs, such as ibuprofen, etc., will cause damage to the gastric mucosa, and in severe cases, will cause ulcers and bleeding. In addition, hypoglycemia or hypotension. Taking too much hypoglycemic or antihypertensive drugs can lead to hypoglycemia or hypotension, etc. In addition, drug resistance. Excessive use of antibiotics can lead to drug resistance. Drugs damage to the body including other damage to the central nervous system, blood system, etc., while drugs may produce allergic reactions, so the use of medication must need to be used scientifically under the guidance of a doctor to avoid drug abuse.