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INTERFERON BETA-1b (in ter FEER on BAY ta 1b) helps to decrease the number of multiple sclerosis attacks in people with relapsing forms of the disease. This medicine does not cure multiple sclerosis.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
They need to know if you have any of these conditions:
heart disease or irregular heart beats/rhythm
immune system problems
low blood counts, like low white cell, platelet, or red cell counts
suicidal thoughts, plans, or attempt; a previous suicide attempt by you or a family member
an unusual or allergic reaction to interferon, albumin, or other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
The medicine is for injection under the skin. You will be taught how to prepare and give this medicine. Use exactly as directed. Take your medicine at regular intervals. Do not take your medicine more often than directed.
It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your pharmacist or healthcare provider to get one.
A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses. Each dose should be separated by about 48 hours. If you accidentally take a dose on 2 consecutive days, call your doctor or health care professional.
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Visit your doctor or health care professional for regular checks on your progress. You will need frequent blood checks.
Females of child-bearing age should use a reliable method of birth control. If you do get pregnant, immediately stop using the medicine, and contact your doctor or health care professional.
Flu-like symptoms are common with the medicine. Using this medicine at night may help. Ask your doctor or health care professional about taking acetaminophen or ibuprofen before your dose and for 24 hours after you receive your injection.
Side effects that you should report to your doctor or health care professional as soon as possible:
a skin sore with a black-blue color, swelling, or drainage
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
depression or nervousness
fever, chills, or any other sign of infection
rapid heartbeat or palpitations
severe stomach pain
unusual bleeding or bruising
unusually weak or tired
yellowing of the skin or eyes
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
pain, redness, and irritation at the injection site
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). After mixing, if not used immediately, refrigerate the product and use within 3 hours. Do not freeze. Throw away any unused diluted injection. Throw away any unused medicine after the expiration date.