Recommended Topic Related To:

Avonex

"Nov. 18, 2012 -- Researchers say they've been able to use nanoparticles to stop multiple sclerosis (MS) in mice that are bred to have the disease.

The particles are about 200 times smaller than the thickness of a human hair. They are "...

Avonex

Avonex

Avonex Patient Information Including Side Effects

Brand Names: Avonex, Avonex Prefilled Syringe, Rebif

Generic Name: interferon beta-1a (Pronunciation: in ter FEAR on BAY ta)

What is interferon beta-1a (Avonex)?

Interferon beta-1a is made from human proteins. Interferons help the body fight viral infections.

Interferon beta-1a is used to treat relapsing multiple sclerosis (MS). This medication will not cure MS, it will only decrease the frequency of relapse symptoms.

Interferon beta-1a may also be used for other purposes not listed in this medication guide.

What are the possible side effects of interferon beta-1a (Avonex)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • depressed mood, anxiety, trouble sleeping, restlessness, or thoughts of suicide or hurting yourself;
  • easy bruising or bleeding, weakness;
  • seizure (convulsions);
  • numbness or tingling in your hands or feet;
  • pain or burning when you urinate;
  • pain, swelling, or skin changes where the injection was given;
  • fever, chills, body aches, flu symptoms; or
  • nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious side effects may include:

  • headache, dizziness;
  • stomach pain; or
  • runny or stuffy nose.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Avonex (interferon beta-1a) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about interferon beta-1a (Avonex)?

This medication may be harmful to an unborn baby, or may cause a miscarriage. Do not use interferon beta-1a if you are pregnant. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Before using interferon beta-1a, tell your doctor if you are allergic to any drugs, or if you have liver disease, a thyroid disorder, epilepsy or other seizure disorder, heart disease, chest pain (angina), congestive heart failure, a heart rhythm disorder, or a history of depression or suicidal behavior.

Some patients using interferon medications have become very depressed or had thoughts of suicide. Stop using interferon beta-1a if you have symptoms of depression (sadness, crying, loss of interest in things you once liked) or if you have any thoughts of hurting yourself.

Do not self-inject this medicine if you do not fully understand how to give the injection and properly dispose of used needles and syringes.

To be sure this medication is not causing harmful effects, your blood may need to be tested often. Your liver or thyroid function may also need to be tested. Visit your doctor regularly.

Side Effects Centers
A A A

Avonex - User Reviews

Avonex User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Avonex sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


Multiple Sclerosis

Get the latest treatment options.

advertisement
advertisement
Use Pill Finder Find it Now See Interactions

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies

Interaction Checker

  • Check potential drug interactions
Search the Medical Dictionary for Health Definitions & Medical Abbreviations