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Clinical Effects and Treatment Tips for Extavia

Clinical Effects

Several studies have evaluated interferon beta-1b (the active ingredient in Extavia) for MS treatment. In one study, people who took interferon beta-1b had fewer MS exacerbations, compared to people taking a placebo injection with no active ingredient.
 
In addition, as many as 25 percent of those taking interferon beta-1b for two years did not experience any MS exacerbations, compared to only 16 percent of those taking the placebo. Magnetic resonance imaging (MRI) brain scans showed that people had significantly fewer lesions after two years of taking beta interferon-1b, compared to those who took the placebo.
 

When and How to Take It

Some general considerations to keep in mind when taking Extavia include the following:
 
  • Extavia comes as an injection. It is injected subcutaneously (just under the skin) every other day. You will start at a low dose and slowly work up to a full dose.
     
  • Take the medicine at the same time each day. You may need to develop a system to remember which days you take Extavia and which days you do not.
     
  • Each Extavia vial is for a single use only. If your dose is less than the full vial, any unused portion must be discarded -- it cannot be saved for later.
     
  • It is best to inject the medication into areas of the skin that have a layer of fat underneath. This includes the thigh, the outer upper arm, stomach (away from the navel), or buttocks. Try to rotate the injection sites (do not inject in the same place twice in a row).
     
  • Make sure your healthcare provider teaches you exactly how to inject this drug. This includes how to prepare the skin, how to prepare and mix the injection, how to inject the medication, and what to do with your used needles (this may vary, depending on local laws and regulations).
     
  • For the medicine to work properly, it must be taken as prescribed. Extavia will not work if you stop taking it.
     
Know the Signs - Concussion Safety

Extavia Medication Information

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