metformin side effects


Metformin is one of the most commonly prescribed medications for people with type 2 diabetes. It is typically taken orally in tablet form, and the dosage may vary depending on the patient’s individual needs and medical history. The medication works by reducing the amount of glucose produced by the liver and helping the body to use insulin more effectively.

While metformin is generally considered safe, there are some potential side effects that patients should be aware of. One of the most common side effects is gastrointestinal distress, including nausea, vomiting, diarrhea, and stomach upset. These side effects may be more likely to occur when a patient first starts taking the medication, or when the dosage is increased.

In some cases, patients may also experience an unpleasant metallic taste in their mouth, as well as decreased appetite or a feeling of fullness after eating. These side effects are generally mild and tend to go away on their own after a few days or weeks.

More serious side effects of metformin are rare but may include lactic acidosis, a potentially life-threatening condition in which there is an excess of lactic acid in the blood. Symptoms of lactic acidosis may include weakness, fatigue, muscle pain, difficulty breathing, and abdominal discomfort. This condition is more likely to occur in patients with kidney or liver problems, or those who drink alcohol regularly.

Another rare but serious side effect of metformin is low blood sugar (hypoglycemia), which can occur when the medication causes the body to produce too much insulin. Symptoms of hypoglycemia may include sweating, shakiness, confusion, and fainting. This side effect is more likely to occur in patients who skip meals or engage in strenuous exercise.

Other potential side effects of metformin may include anemia, skin rash, headache, and increased risk of vitamin B12 deficiency. In rare cases, the medication may also cause liver problems or allergic reactions.

If you are taking metformin and experience any of these side effects, it is important to talk to your doctor right away. They may be able to adjust your dosage or recommend alternative treatments to minimize these symptoms. Additionally, it is important to monitor your blood sugar levels regularly and to follow your doctor’s instructions for dosing and timing of the medication.

Overall, metformin is a safe and effective medication for managing type 2 diabetes. While it can cause some side effects, these are generally mild and go away on their own. By staying informed about potential side effects and working closely with your doctor, you can help ensure that metformin remains a safe and effective treatment option for you.