Betaseron

Betaseron treats multiple sclerosis (MS) and is used to reduce the number of relapses in people with relapsing forms of MS. It is injected every other day.

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Pharmacist Anyssa S. Garza, PharmD overviews the uses and common side effects of Betaseron
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Pharmacist Anyssa S. Garza, PharmD overviews the uses and common side effects of Betaseron
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Betaseron Overview

Updated: 

Betaseron is a prescription medication used to treat relapsing forms of multiple sclerosis (MS).

Betaseron belongs to a group of drugs called interferons. The way that Betaseron works in MS is not known. 

This medication comes in injectable form and is injected under your skin (subcutaneous injection) every other day.

Common side effects include flu-like symptoms, liver and blood problems, and headache.

How was your experience with Betaseron?

First, a little about yourself

Tell us about yourself in a few words?

What tips would you provide a friend before taking Betaseron?

What are you taking Betaseron for?

Choose one
  • Other
  • Multiple Sclerosis

How long have you been taking it?

Choose one
  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did Betaseron work for you?

Did you experience many side effects while taking this drug?

How likely would you be to recommend Betaseron to a friend?

Betaseron Cautionary Labels

precautionsprecautionsprecautions

Uses of Betaseron

Betaseron is a prescription medication used to treat relapsing forms of multiple sclerosis.

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Manufacturer

Betaseron Drug Class

Betaseron is part of the drug class:

Side Effects of Betaseron

Betaseron can cause serious side effects. See “Drug Precautions”.

Common side effects of Betaseron include:

  • Flu-like symptoms. Most people have flu-like symptoms (fever, chills, sweating, muscle aches and tiredness) when using Betaseron. These symptoms may lessen or go away over time. Talk to your doctor about whether you should take a non-prescription medicine for pain, or to lower fever before or after you take your dose of Betaseron.
  • Liver problems. Betaseron may affect your liver function. Your doctor will do blood tests to check for these problems while you use Betaseron. Tell your doctor if you have any of these symptoms of a liver problem:
    • yellowing of the skin and whites of the eyes
    • easy bruising
    • right-sided stomach area (abdominal) pain
  • Blood problems. You may have a decrease in the amount of certain blood cells, including white blood cells (blood cells that fight infection), red blood cells (blood cells that carry oxygen to body tissues), or platelets (blood cells that help you form blood clots). If this decrease is severe, your body may be less able to fight infections, you may feel tired or sluggish, or you may bruise or bleed easily.
  • Thyroid problems. Your thyroid function may change. Symptoms of changes in the function of your thyroid include feeling cold or hot much of the time, or change in your weight (gain or loss) without a change in your diet or amount of exercise you are getting.
  • Asthenia. You may feel excessively or unusually fatigued. Talk to your doctor about your fatigue if it is persistent and bothersome to you.
  • Headache. You may develop headaches. You should tell your doctor if you experience headaches while using Betaseron, and you should make a plan with your doctor for monitoring your headaches. Talk to your doctor about whether you should take an additional medicine for the headaches.
  • Pain. You may experience pain while using Betaseron. Talk to your doctor about whether you should take a non-prescription medicine for pain and keep your doctor informed about any changes in the pain you experience.

You should discuss with your doctor the need for blood testing to monitor for these problems. Your doctor will arrange for testing your blood at regular intervals to help detect blood, thyroid, liver, or other problems that may develop. These blood tests will be needed even if you do not have any symptoms.

Tell your doctor if you have any side effect that bothers you or that does not go away. These are not all the possible side effects of Betaseron. For more information ask your doctor or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Betaseron Precautions

Do not use Betaseron if you:

  • have had an allergic reaction such as trouble breathing, skin flushing, or hives, with another interferon beta product, or to human albumin. 
  • are allergic to any of the ingredients in Betaseron. 

Betaseron will not cure multiple sclerosis (MS) but has been shown to decrease the number of flare-ups of the disease.

Betaseron may cause serious side effects, including:

  1. Depression
  2. Allergic reactions
  3. Injection site problems

These serious side effects are described below.

1. Depression. Some people who take interferon medicines, including Betaseron, become seriously depressed (feeling sad or sinking spirits). Some people have thoughts about killing themselves (suicidal thoughts) or try to kill themselves. Depression is not uncommon in people with multiple sclerosis.

Before you start to use Betaseron, tell your doctor if you ever had any mental illness, including depression, or if you take any medicines for depression.

  • While you use Betaseron, if you feel noticeably sadder or helpless, or feel like hurting yourself or others, you should tell a family member or friend right away and call your doctor as soon as possible. You may need to stop using Betaseron.

2. Allergic reactions. Some people who use interferon medicines, including Betaseron, have severe allergic reactions which can lead to trouble breathing and swallowing. Significant swelling of the mouth and tongue may occur with these severe allergic reactions. These reactions can happen quickly. Allergic reactions can happen after your first dose of Betaseron or may not happen until after you have used Betaseron many times. Less severe allergic reactions such as rash, itching, skin bumps or minor swelling of the mouth and tongue can also happen. If you think you are having an allergic reaction, stop using Betaseron right away and call your doctor.

3. Injection site problems. Interferon medicines, including Betaseron, may cause redness, pain or swelling at the place where an injection was given (injection site). Serious skin reactions can happen in some people, including skin infections or areas of severe damage to skin and tissue below the skin (necrosis). These reactions can happen anywhere you inject Betaseron.

Call your doctor right away if you have any of these signs of a serious problem at any of your injection sites:

  • the area is swollen and painful
  • the area looks infected, and does not heal within a few days
  • the area has fluid draining from it
  • you notice any breaks in your skin or blue-black skin discoloration of your skin along with a break in your skin.

Most skin reactions are not serious, but you may need medical treatment if you develop a serious skin reaction. In most cases healing was associated with scarring.

If multiple lesions occur, therapy should be discontinued until healing occurs.

Betaseron Food Interactions

Medications can interact with certain foods. In some cases, this may be harmful and your doctor may advise you to avoid certain foods. In the case of Betaseron, there are no specific foods that you must exclude from your diet when receiving this medication.

 

Inform MD

Tell your doctor about all your medical conditions, including if you have:  

  • or had depression, anxiety (feeling uneasy, nervous, or fearful), or trouble sleeping 
  • liver problems 
  • thyroid problems
  • blood problems, such as bleeding or bruising easily, and low red blood cells (anemia) or low white blood cells
  • are pregnant or breastfeeding

Tell your doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements.

Betaseron and Pregnancy

Tell your doctor if you are pregnant or plan to become pregnant.

The FDA categorizes medications based on safety for use during pregnancy. Five categories - A, B, C, D, and X, are used to classify the possible risks to an unborn baby when a medication is taken during pregnancy.

Betaseron falls into category C. In animal studies, pregnant animals were given this medication and had some babies born with problems. No well-controlled studies have been done in humans. Therefore, this medication may be used if the potential benefits to the mother outweigh the potential risks to the unborn child.

Betaseron and Lactation

It is not known if Betaseron crosses into human milk. Because many medications can cross into human milk and because of the possibility for serious adverse reactions in nursing infants with use of this medication, a choice should be made whether to stop nursing or stop the use of this medication. Your doctor and you will decide if the benefits outweigh the risk of using Betaseron.

 

Betaseron Usage

  • Use Betaseron exactly as prescribed by your doctor. Do not change your dose unless told to by your doctor.
  • If your doctor decides that you or a caregiver may be able to give your injections of Betaseron at home, your doctor or nurse should instruct you on the right way to prepare and inject Betaseron. Do not try to inject Betaseron yourself until you have been instructed by your doctor or nurse the right way to prepare and give the injections.
  • Betaseron is given by injection under the skin (subcutaneous injection) every other day.
  • If you miss a dose of Betaseron, take your next dose as soon as you remember or are able to take it. Take your next injection about 2 days after that dose. If you are not sure when you should take your next dose, call your doctor.
  • Do not inject Betaseron two days in a row (consecutive days). 
  • Call your doctor right away if you take more than your prescribed dose of Betaseron, or take it two days in a row.
  • Always use a new, unopened, vial of Betaseron and syringe for each injection. Throw away any unused medicine. Do not reuse any vials, syringes, or needles. 
  • It is important for you to change your injection site each time you inject Betaseron. This will lessen the chance of you having a serious skin reaction at the site where you inject Betaseron. 
  • Avoid injecting Betaseron into an area of skin that is sore, red, infected or has other problems.

If your doctor decides that you or a caregiver may be able to give your injections of Betaseron at home, your doctor or nurse should instruct you on the right way to prepare and inject Betaseron. To lower your risk of infection, it is important that you follow the technique that your doctor or nurse discussed with you to prepare and inject Betaseron. Do not try to inject Betaseron yourself until you have been shown by your doctor or nurse the right way to prepare and give the injections.

It is important for you to read, understand, and follow these instructions. Call your doctor if you or your caregiver has any questions about the right way to prepare or inject Betaseron.

Important safety information

  • Do not leave the blister pack containing Betaseron where others might tamper with it.
  • Keep the blister pack containing Betaseron out of the reach of children.
  • Do not open the blister pack or take out any of the items until right before you are ready to use them.
  • Do not use Betaseron if the seal on the vial is broken. If the seal is broken, the product may not be safe for you to use.
  • Do not use Betaseron after the expiration date shown on the blister pack label or box. If it has expired, return the entire pack to the pharmacy.
  • Do not use any of the items in the blister pack more than one time. See the section at the end of this leaflet, “Dispose of used syringes, needles, and vials”. Throw away any open and unused medicine.

Gather your supplies.

You will need the following supplies to get ready to give your injection of Betaseron:

  • A blister pack containing the following items
  • a vial of Betaseron
  • a prefilled syringe of diluent (Sodium Chloride, 0.54% solution) 
  • a vial adapter with a 27-gauge needle attached (in its own container)
  • two (2) alcohol wipes
  • a dry cotton ball and gauze
  • a sharps disposal container. See the section “Dispose of used syringes, needles, and vials.”

Prepare for self-injection

  1. Wash your hands well with soap and water.

  2. Open the blister pack by peeling off the label and take out all the items. Make sure the blister pack containing the vial adapter is sealed. Check to make sure the rubber cap on the diluent syringe is firmly attached.

  3. Turn the blister pack over, and place the vial in the well (vial holder) and place the prefilled syringe in the U-shaped trough.

Mix Betaseron

  4.  Remove the Betaseron vial from the well and take the cap off the vial.

  5.  Place the vial back in the vial holder.

  6.  Use an alcohol wipe to clean the top of the vial. Wipe in one direction only.

  7.  Leave the alcohol wipe on top of the vial until step 9 below.

  8.  Peel the label off the container with the vial adapter in it, but do not remove the vial adapter. The vial adapter is sterile, so do not touch it.

  9.  Remove the alcohol wipe from the top of the vial. Pick up the container that holds the vial adapter. Turn over the container keeping the vial adaptor inside. Put the adapter on top of the vial. Push down on the adapter until it pierces the rubber top of the vial and snaps in place. Lift the container off the vial adapter.

 10. Remove the rubber cap from the prefilled syringe using a twist and pull motion. Throw away the rubber cap.

 11. Remove the vial from the vial holder by grasping the vial. Do not touch any part of the vial adapter. Be careful not to pull the vial adapter off the top of the vial.

 12. Connect the prefilled syringe of diluent to the vial adapter by turning clockwise and tighten carefully.

 13. Slowly push the plunger of the prefilled syringe all the way in. This will push all of the liquid from the syringe into the vial. Continue to hold the plunger while you mix Betaseron with the liquid from the syringe. If you do not hold the plunger in it may return to its original position after you let go.

 14. Gently swirl the vial to completely dissolve the white powder. Do not shake. Shaking and even gentle mixing can cause foaming of the medicine. If there is foam, let the vial sit until the foam settles.

 15. After the powder dissolves, look closely at the solution in the vial. Do not use the solution if it is not clear or colorless, or if it contains particles.

The injection should be given right away after you mix Betaseron and let any foam in the solution settle. If you must wait for any reason before giving yourself the injection, you may refrigerate the medicine after you mix it. But you should use it within three hours.

 16. With your thumb still pushing the plunger, turn the syringe and vial, so that the vial is on top.

 17. Slowly pull the plunger back to withdraw the entire contents of the vial into the syringe.

 18. Turn the syringe so that the needle end is pointing up. Remove any air bubbles by tapping the outside of the syringe with your fingers. Slowly push the plunger to the 1 mL mark on the syringe or to the mark that matches the amount of Betaseron prescribed by your doctor. If too much solution is pushed back into the vial, return to step 16.

 19. Remove the vial adapter and the vial from the syringe by twisting the vial adapter.

Choose an Injection Site

  • Betaseron is injected under the skin and into the fat layer between the skin and the muscles (subcutaneous tissue). The best areas for injection are where the skin is loose and soft and away from the joints, nerves, and bones. Do not use the area near your navel (belly button) or waistline. If you are very thin, use only the thigh or outer surface of the arm for injection.
  • Choose a different site each time you give yourself an injection. Do not inject in the same area for two injections in a row. Keep a record of your injections to help make sure you change (rotate) your injection sites. If there are any sites that are difficult for you to reach, you can ask someone who has been trained to give the injection to you.
  • Do not inject Betaseron in a site where the skin is red, bruised, infected, or scabbed, has broken open, or has lumps, bumps, or pain. Tell your doctor if you find skin conditions like the ones mentioned here or any other unusual looking areas where you have been given injections.

Injecting Betaseron

 20. Using a circular motion, clean the injection site with an alcohol wipe, starting at the injection site and moving outward. Let the skin area air dry.

 21. Remove the cap from the needle.

 22. Gently pinch the skin around the site with your thumb and forefinger of the other hand. Insert the needle straight up and down into your skin at a 90˚angle with a quick, dart-like motion.

 23. Once the needle is in your skin, slowly pull back on the plunger. If blood appears in the syringe it means that you have entered a blood vessel. Do not inject Betaseron. Withdraw the needle. Throw away the syringe and needle in your puncture-proof container. Do not use the same syringe or any of the other supplies that you used for this injection. Repeat the above steps to prepare your dose using a new blister pack. Choose and clean a new injection site.

 24. If no blood appears in the syringe, slowly push the plunger all the way in until the syringe is empty. Remove the needle from the skin; then place a dry cotton ball or gauze pad over the injection site. Gently massage the injection site for a few minutes with the dry cotton ball or gauze pad. Throw away the syringe in your puncture-proof disposal container.

Dispose of used syringes, needles, and vials 

  • To prevent needle-stick injury and spread of infection, do not try to re-cap the needle.
  • Place used needles, syringes, and vials in a closeable, puncture-resistant container. You may use a sharps container (such as a red biohazard container), a hard plastic container (such as a detergent bottle), or a metal container (such as an empty coffee can). Do not use glass or clear plastic containers. Ask your doctor for instructions on the right way to throw away (dispose of) the container. There may be state and local laws about how you should throw away used needles and syringes.
  • Do not throw used needles, syringes, or vials in your household trash or recycle. Throw away any unused medicine. Do not save any unused Betaseron for a future dose.

Keep the disposal container, needles, syringes, and vials of Betaseron out of the reach of children.

Betaseron Overdose

Call your doctor right away if you take more than your prescribed dose of Betaseron, or take it two days in a row. 

 

Other Requirements

  • Before mixing, store Betaseron at room temperature 25°C (77°F). Storage at temperatures between 15° to 30°C (59° to 86°F) for brief periods of time are acceptable.
  • After mixing, if you can not inject Betaseron right away, refrigerate the medicine and inject it within 3 hours. If you can not inject the mixed medicine within 3 hours, do not use it. Follow the information in the Patient Instructions for Use section “Dispose of used needles, syringes, and vials” for the right way to throw away the syringe with the unused medicine, and needle. 
  • Do not freeze Betaseron.

Keep Betaseron and all medicines out of the reach of children.