INTERFERON BETA 1A

undefined/100 · Low Risk

Manufactured by Biogen Inc.

322,666 FDA adverse event reports analyzed

Top Adverse Reactions

MULTIPLE SCLEROSIS RELAPSE15,800 reports
INFLUENZA LIKE ILLNESS13,239 reports
FATIGUE11,525 reports
FALL10,576 reports
MULTIPLE SCLEROSIS9,305 reports
GAIT DISTURBANCE8,898 reports
HEADACHE8,405 reports
MEMORY IMPAIRMENT7,977 reports
PAIN7,724 reports
INJECTION SITE PAIN6,310 reports
ASTHENIA6,288 reports
HYPOAESTHESIA5,550 reports
DEPRESSION5,427 reports
MALAISE5,091 reports
PAIN IN EXTREMITY5,031 reports
Important Disclaimer: This content is generated by AI analysis of FDA adverse event reports and is provided for informational purposes only. It is not medical advice. Adverse event reports submitted to the FDA do not prove that a medication caused the reported side effect. Always consult your healthcare provider before starting, stopping, or changing any medication. If you experience a serious side effect, contact your doctor or call 911 immediately.