About interferon beta a
Interferon beta immunomodulator
Used for
- Relapsing forms of multiple sclerosis
- Reducing relapses and slowing disability progression
Usual adult dose
22 micrograms injected under the skin three times weekly, at least 48 hours apart.
Common side effects
- Flu-like symptoms, including fever and muscle aches
- Injection-site reactions
- Headache and fatigue
- Changes in blood counts or liver tests
Important warnings
- Can cause liver injury, depression, or suicidal thoughts
- Blood counts and liver function may need monitoring
- Rotate injection sites; skin damage can occur
- Not for treatment of sudden multiple sclerosis relapses
Pregnancy
Pregnancy planning or use during pregnancy requires discussion with a clinician; evidence and recommendations vary.
Breastfeeding
Available evidence suggests interferon beta is generally compatible with breastfeeding; discuss individual circumstances with a clinician.
Interactions
- Other medicines that affect the liver may increase liver-injury risk
- Medicines that suppress bone marrow may increase blood-count problems
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.