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Metformin Hcl 500 Mg Side Effects

Metformin Hcl 500 Mg Side Effects


You should not use metformin if you have severe kidney disease or diabetic ketoacidosis (call your doctor for treatment).

If you need to have any type of x-ray or CT scan using a dye that is injected into your veins, you will need to temporarily stop taking metformin.

You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood. Call your doctor or get emergency medical help if you have unusual muscle pain, trouble breathing, stomach pain, dizziness, feeling cold, or feeling very weak or tired.


Missed Dose

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up for the missed dose.


Contact a doctor immediately if an overdose is suspected. Some overdosages could lead to Lactic Acidosis which requires immediate medical intervention.


Take Metformin 500 MG Tablet exactly as prescribed by the doctor. Your dose is likely to change over time based on therapeutic response and clinical condition. Regular monitoring of blood sugar levels is recommended during treatment with this medicine. You should always carry a sugar candy with you to counteract unexpected lowering of blood sugar levels. Do not change the dose or duration of use without consulting your doctor.

Side effects

Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this information includes all possible side effects. This information is not a substitute for medical advice. Always discuss possible side effects with a healthcare provider who knows your medical history.

  • Nausea and vomiting
  • Diarrhea
  • Abdominal pain
  • Hypoglycemia
  • Lactic Acidosis
  • Weakness
  • Chest discomfort
  • Headache
  • Runny Nose
  • Belching and Heartburn
  • Swollen joints


Lactic Acidosis - This medicine may cause lactic acidosis, which may be fatal, in some patients. This risk is especially higher in patients suffering from heart diseases, kidney diseases, etc. Report any unusual symptoms to the doctor immediately. Replacement with a suitable alternative may be required based on the clinical condition.

Stress - Use of this medicine should be discontinued in patients exposed to stressful conditions such as a fever, trauma, surgeries, or accidents since it may not be effective in controlling blood sugar levels in these conditions. Replacement with a suitable alternative should be considered under your doctor's supervision.

Type I diabetes - This medicine is not recommended for use in patients suffering from Type I diabetes since it is not effective in treating such patients.

Diarrhea - This medicine may cause diarrhea when therapy is initiated. In most cases, diarrhea subsides by itself. Contact your doctor if the problem persists for longer durations. Therapy may need to be discontinued in some cases based on the clinical condition.

Vitamin B12 deficiency - This medicine should be used with extreme caution in patients with vitamin B12 deficiency since it may worsen the patient's condition. Appropriate vitamin B12 supplementation and dose adjustments may be required in some cases.

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