Metformin
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Metformin, 2.84 / 5 (87 votes)

Metformin Side Effects

Box of Metformin
  • shakiness
  • dizziness or lightheadedness
  • sweating
  • nervousness or irritability
  • sudden changes in behavior or mood
  • headache
  • numbness or tingling around the mouth
  • weakness
  • pale skin
  • hunger
  • clumsy or jerky movements
If hypoglycemia is left untreated, severe symptoms may develop:
  • confusion
  • seizures
  • loss of consciousness
Call your doctor immediately if you have any of the following symptoms of hyperglycemia or high blood sugar:
  • extreme thirst
  • frequent urination
  • extreme hunger
  • weakness
  • blurred vision
If high blood sugar is not treated, a serious, life-threatening condition called diabetic ketoacidosis could develop. Call your doctor immediately if you have any of these symptoms:
  • dry mouth
  • nausea and vomiting
  • shortness of breath
  • breath that smells fruity
  • decreased consciousness
Metformin may cause other side effects:
  • diarrhea
  • bloating
  • stomach pain
  • gas
  • constipation
  • unpleasant metallic taste in mouth
  • heartburn
  • headache
  • sneezing
  • cough
  • runny nose
  • flushing of the skin
  • nail changes
  • muscle pain
Some side effects can be serious:
  • chest pain
  • rash