Avonex, or interferon beta -1a, is yet another disease-modifying drug for multiple sclerosis. Chemically, it is the same consistency as Rebif, but it is administered in smaller dosages less often. People taking Avonex administer the injection intramuscularly (into the muscle) once a week. This drug has been proven to reduce MS relapses and slow disease progression. Because it is a weaker formula, it is generally recommended for early cases or for those with milder progression. Avonex is available in pre-mixed syringes or in a powder form which requires mixing but no refrigeration.
Benefits/ Side Effects of Avonex
(+) Avonex reduces the number of MS attacks
(-) It is the weakest interferon available
(+) Avonex is administered just once a week
(-) Intramuscular injections are deeper than subcutaneous injections
(+) Avonex is one of the older, more established medications
(-) Avonex can cause flu-like side effects, depression, and/or injection site reactions
(+) This medication is a step towards fighting your MS
***For further reference: www.nmss.org. Please visit the MULTIPLE SCLEROSIS SUITE for more articles about multiple sclerosis.
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