Gwazi is the trade name of Metformin Hydrochloride Tablets. The side effects of long-term consumption include gastrointestinal reactions, neurological reactions, and liver and kidney function impairment, etc. It is recommended to take the medicine under the guidance of a doctor. 1. Digestive tract reaction. Long-term consumption of metformin hydrochloride tablets, some patients may experience gastrointestinal adverse reactions, including diarrhea, nausea, abdominal distension and vomiting, etc. Serious side effects can be considered to discontinue the use of the drug, or to be treated symptomatically. 2. Nervous system side effects. Including dizziness, lightheadedness, etc. 3. Impairment of liver and kidney functions. Because the drug is metabolized by the liver and kidney function, the drug usually does not cause side effects in people with normal liver and kidney function. However, if the patient himself suffers from liver and kidney impairment, long-term use of the drug may aggravate the liver and kidney impairment to a certain extent. In addition, long-term use of metformin hydrochloride tablets can also appear rash, chills and abnormal sense of taste and so on. It is recommended that patients who experience side effects from Metformin Hydrochloride Tablets consult an endocrinologist for treatment under a doctor’s supervision.