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Average User Rating:
Metformin, 2.59 / 5 (22 votes)

Metformin Side Effects

  • 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
  • Gloria Watkins

    Why are “Sulfanomides” included in so many of todays medicines when so many of us are “high allergic” to Sulfur?

  • protect honor

    These drugs need to be taken off of the shelf and need to be stopped being advertised on the Television. If there is harm and Metformin and other diabetes drugs do tremendous harm: they actually make people gain more weight and cause diabetes to become worse. All doctors take the Hippocratic Oath: do no harm, and don’t ever be talked into doing harm. So what is the deal? Why are doctors talking people into doing harm to their bodies?

  • Taylor

    Metformin damaged my kidneys. I’ve never had kidney problems before taking this nor do I have diabetes. I was prescribed this because my blood sugar and metabolism needed stabilzed.

  • Randy Sanders

    A vast majority of synthetic “medications” produced by todays pharmaceutical companies,and prescribed by doctors are dangerous,some to the point of producing death in patients so often,that commercials for medicines on tv now have verbal disclaimers stating they can cause death. If anyone opened up a physicians desk reference (PDR) and read it, you’d never want to take any synthetic drug ever again. Most doctors now tell their patients, “The benefits outweigh the risks”,so that patients will accept the meds given them…no matter what a warning label may say.

  • Tim

    I had sharp pain in my left side rib cage which restricted my ability to breath. The next day I had a large buildup of fluid in my left elbow and it’s still there.