"By Kathleen Doheny
WebMD Health News
Reviewed by Michael W. Smith, MD
Dec. 30, 2013 -- The FDA has rejected the new multiple sclerosis drug Lemtrada, saying the drugmaker didn't show the drug's benefits outweigh some s"...
IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
INTERFERON BETA 1A - INJECTION
COMMON BRAND NAME(S): Avonex
USES: This medication is used to treat multiple sclerosis (MS). Interferon is not a cure for MS, but it may help to decrease the number of attacks of weakness and slow the progression of the disease.
HOW TO USE: Read the Medication Guide provided by your pharmacist before you start using interferon beta 1A and each time you get a refill. If you have any questions regarding the information, consult your doctor or pharmacist.
Inject this medicine usually once a week into a muscle or as directed by your doctor. Give the shot in the evening before bedtime to minimize side effects.
If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. The solution is normally clear or slightly yellow in color. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely.
To increase comfort, take this medication out of the refrigerator and let it warm to room temperature for about 30 minutes before injecting. Carefully mix the powder with the liquid provided as directed. Gently swirl the vial of medication. Do not shake it.
The thigh and upper arm muscles are recommended sites for the shot. Use a different spot each week. Do not inject into skin that is irritated or infected.
Use this medicine regularly as directed in order to get the most benefit. Use it at the same time each week. Do not change the dose or how often you use this medication without your doctor's approval.
Inform your doctor if your condition worsens.
Additional Avonex Information
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