*Prices reflect U.S. average retail price

Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses...Wikipedia

Manufacturer's Website: Extavia                                                                                                                                    Average retail cost: $9,400/kit

Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses...Wikipedia

Manufacturer's Website: Avonex                                                                                                                    Average retail cost: $10,633/dose pack

Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses...Wikipedia

Manufacturer's Website: Betaseron                                                                                                                  Average retail cost: $10,695/kit

Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses...Wikipedia

Manufacturer's Website: Avonex                                                                                                                                    Average retail cost: $12,900/kit

Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses...Wikipedia

Manufacturer's Website:Rebif                                                                                                                        Average retail cost: $21,813/carton

Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses...Wikipedia

Manufacturer's Website: Plegridy                                                                                                                          Average retail cost: *

* This drug is only available at select specialty pharmacies, which usually means it may be expensive.

Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses...Wikipedia

Manufacturer's Website: Actimmune                                                                                                                          Average retail cost: *

* This drug is only available at select specialty pharmacies, which usually means it may be expensive.