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Common Problems With Minoxidil Oral

Common Side Effects

For many medications, the prescribing information carefully explains the exact percentage of side effects that were seen in clinical trials. However, the prescribing information for almost all older medications, including minoxidil oral, contains vague information on potential side effects. Therefore, it can be difficult to know exactly how common some side effects may be.
 
The most common reactions to minoxidil oral may include:
 
  • Growth and darkening of fine body hair
  • Nausea
  • Vomiting
  • Headaches
  • Dizziness
  • Slight weight gain of two to three pounds.
 
Hair growth and darkening is a common minoxidil oral side effect, occurring in about 80 percent of people. You may notice this about three to six weeks after starting the medication. Areas of the body most commonly affected include:
 
  • The forehead
  • Temples
  • Between the eyebrows
  • Upper cheeks
  • Back
  • Arms
  • Legs
  • Scalp.
 
This side effect is not permanent and will resolve within one to six months after stopping the medication.
 
In addition, breast tenderness is a rare, but possible side effect of minoxidil oral use, occurring in less than 1 percent of people taking the medication. It can occur in both men and women.
 

Final Thoughts

You may experience some or none of the side effects listed in this article. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have problems with a medicine that you have never tried.
 
Therefore, make sure to let your healthcare provider know if you develop any side effects while using minoxidil oral or if something "just does not seem right." While it may not be related to the medication, your healthcare provider will be able to diagnose and treat the problem.
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