Avonex (Interferon Beta-1a Autoinjector and Prefilled Syringes (Avonex)) and Kalexate Powder

• Generic Name: interferon beta-1a
• Dosage Forms: n.a.
• Other Brand Names: Avonex, Rebif, Avonex Prefilled Syringe, Avonex Pen, Rebif Rebidose, Rebif Rebidose Titration Pack, Rebif Titration Pack

• It is used to treat MS (multiple sclerosis).

• Generic Name: sodium polystyrene sulfonate
• Dosage Forms: oral, rectal powder
• Other Brand Names: Kalexate, Kayexalate, Kionex

Kalexate binds itself to potassium in your digestive tract. This helps prevent your body from absorbing too much potassium.

Kalexate is used to treat high levels of potassium in the blood, also called hyperkalemia.

Kalexate works differently from other medicines because it passes into your intestines without being absorbed into your blood stream.

Kalexate may also be used for purposes not listed in this medication guide.