Does interferon beta have any side effects?

Donna Hill Howes, RN
Family Practitioner

Side effects may include weakness, sweating, dry mouth or eyes, vision changes, dizziness, drowsiness, shortness of breath, and a rapid, strong, or irregular heartbeat. Some people may have nausea, constipation, diarrhea, hair loss, ankle or leg swelling, muscle cramps, poor coordination, and seizures. Other side effects may include pain in the chest, abdomen, back, joints, bones, or muscles, urinary incontinence, menstrual disorders, and erection problems.

Other side effects may include pain, redness, or swelling at the injection site, flu-like symptoms, respiratory or urinary tract infections, insomnia, anxiety, depression, or suicidal thoughts. People may also have hallucinations, delusions, and disordered thoughts or speech (psychosis). Other side effects may include swollen lymph nodes, thyroid problems, low platelet and white blood cell counts, and abnormal liver enzyme levels. 

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