Medications and Drugs

GENERIC NAME: INTERFERON BETA 1A - INJECTABLE (in-ter-FEER-on bay-tah)

BRAND NAME(S): Rebif

Medication Uses | Other Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage | Medical Alert

USES: This form of interferon is used to treat multiple sclerosis (MS). It is not a cure for MS but has been shown to slow the advancement of the disease.

OTHER USES: This drug may also be used for the treatment of certain cancers, immune system disorders, or viral infections.

HOW TO USE: Learn all preparation and usage instructions, including how to inject the drug, and review the Medication Guide with your doctor or pharmacist. Inject this medication under the skin (subcutaneously) usually 3 times a week; or as directed by your doctor. The dosage is based on your medical condition and response to therapy but should be given at approximately the same time of the day, preferably in the afternoon or evening. Taking fever/pain-reducing medications (e.g., acetaminophen, ibuprofen) may be needed to help treat common side effects. Consult your doctor or pharmacist. 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 needles and medical supplies safely. Consult your pharmacist.

SIDE EFFECTS: Flu-like symptoms (e.g., headache, nausea, fever, chills, fatigue, muscle aches/pain) and irritation at the injection site may occur. If any of these effects persist or worsen, notify your doctor promptly. Flu-like symptoms can be treated with fever reducers and pain relievers such as acetaminophen or ibuprofen. Consult your doctor or pharmacist. Tell your doctor immediately if any of these serious side effects occur: stomach/abdominal pain, chest pain, swelling of the ankles/feet, sudden weight gain. Tell your doctor immediately if any of these unlikely but serious side effects occur: unusual or severe mental/mood changes (e.g., suicidal thoughts, severe depression), seizures, signs of infection (e.g., persistent sore throat), easy bruising/bleeding, extreme fatigue/weakness, cold or heat intolerance, gradual change in weight (without a change in diet or exercise), dizziness or loss or coordination, rapid or irregular heartbeat, yellowing eyes or skin, dark urine. Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: vision problems, increased urination. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.