About interferon beta a
Interferon beta immunomodulator
Used for
- Reduces relapses and disease activity in relapsing forms of multiple sclerosis.
Usual adult dose
30 micrograms injected into a muscle once weekly.
Common side effects
- Flu-like symptoms, including fever, chills, headache, and muscle aches
- Injection-site pain or redness
- Fatigue
- Changes in blood counts or liver tests
Important warnings
- Can cause depression or suicidal thoughts.
- Liver injury and serious allergic reactions are possible.
- Blood counts and liver function may need monitoring.
- May worsen seizures or heart problems in some people.
Pregnancy
Use during pregnancy requires specialist review; treatment decisions depend on disease activity and individual circumstances.
Breastfeeding
Limited evidence suggests low risk; discuss treatment with a healthcare professional.
Interactions
- Other medicines that can harm the liver may increase liver-injury risk.
- Medicines affecting blood counts may increase monitoring needs.
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 It may be incomplete or out of date.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.