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Dangerous and Rare Reactions to Extavia

Side Effects to Report

Some side effects with Extavia or Betaseron are potentially serious and should be reported to your healthcare provider. These include but are not limited to:
 
  • Depression (see Extavia and Depression)
  • Suicidal thoughts or behavior
  • Signs of liver problems, such as yellow eyes or skin (jaundice) or elevated liver enzymes (found using a standard blood test)
  • Infection or an open sore at the injection site
  • Frequent infections, which may be a sign of low white blood cells
  • Unusual bruising or bleeding, which may be a sign of low blood platelets
  • Thyroid problems
  • Chest pain, difficulty breathing, coughing, high blood pressure, or other signs of heart problems
  • Signs of an allergic reaction, including:
 
    • An unexplained rash
    • Hives
    • Itching
    • Wheezing or difficulty breathing
    • Unexplained swelling.
 

Less Common Extavia Side Effects

After medications are approved and are in use by the general public, healthcare providers or patients may voluntarily report side effects. This information may point to possible side effects that were not seen in clinical trials.
 
However, it is difficult, if not impossible, to tell how frequently such side effects occur or even if they are actually related to the medication, since they are reported voluntarily, and since the "side effects" could be coincidental. These reported problems are known as "postmarketing experience." Possible side effects of Extavia or Betaseron reported in postmarketing experience include but are not limited to:
 
Know the Signs - Concussion Safety

Extavia Medication Information

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