The generic name of Gwazi is Metformin Hydrochloride Tablets, the main side effect of long-term Metformin Hydrochloride Tablets is gastrointestinal reaction, by taking the drug with meals, starting from a small dose and gradually increasing the dose, it can reduce the gastrointestinal tract adverse reactions, some patients may also have other adverse reactions, and there is individual variability in adverse reactions. 1. Common adverse reactions: the most common adverse reactions in patients taking Metformin Hydrochloride Tablets are gastrointestinal reactions, which may include diarrhea, nausea and vomiting, dyspepsia, flatulence and other symptoms, but most patients can usually be relieved on their own. 2. Rare adverse reactions: metformin hydrochloride tablets in the process of long-term use of lactic acidosis, headache, dyspnea, rash and other rare adverse reactions, the incidence is low. Although rare, once detected, immediate medical attention is recommended to decide whether to discontinue the medication as well as to proceed with the management of the adverse reaction. The choice of medication is a targeted treatment given by the doctor according to the individual’s condition, patients do not need to have too much psychological burden, should actively cooperate with the treatment, the emergence of side effects and timely consultation, symptomatic treatment.