What is the most serious side effect of metformin?

The most serious side effect of Metformin hcl 500 mg is lactic acidosis. Lactic acidosis is a rare but potentially life-threatening condition that occurs when there is an excessive buildup of lactic acid in the bloodstream. Metformin can increase the risk of lactic acidosis, particularly in individuals with kidney or liver problems or those who misuse the medication. Symptoms of lactic acidosis may include rapid breathing, confusion, weakness, and abdominal discomfort. If left untreated, lactic acidosis can lead to organ failure and even death. It is crucial to seek immediate medical attention if any symptoms of lactic acidosis occur while taking Metformin Hydrochloride 500 Mg to prevent severe complications. Regular monitoring and proper dosing are essential to minimize the risk of this side effect.