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Other Metformin Side Effects

There are other possible metformin side effects that can occur. In clinical studies, these side effects occurred in 1 to 5 percent of people taking metformin. For these side effects, it is difficult to tell whether the side effect is caused by metformin or something else.
 
Some of these possible metformin side effects include, but are not limited to:
 
  • Taste changes
  • Abnormal stools
  • Muscle pain
  • Lightheadedness or dizziness
  • Difficulty breathing
  • Nail problems
  • Increased sweating
  • Flu-like symptoms, such as fever, muscle pain, chills, and weakness
  • Flushing (a reddening of the skin, especially in the face)
  • Feelings of a forcefully or rapidly beating heart (heart palpitations).
     
(You can also read about other possible metformin side effects by going to:
 

Metformin Side Effects: Summary

You may experience some or none of the metformin side effects explained above. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have side effects from a medicine that you have never tried. Therefore, be sure to let your healthcare provider know if you develop any metformin side effects. Also, let your healthcare provider know if you develop something that "just does not seem right." While it may not be a metformin side effect, your healthcare provider will be able to diagnose and treat the problem.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
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