Patients taking Enbrel are at elevated risk for nervous-system disorders. Research has linked the drug to multiple sclerosis and lupus. And Myletis, Optical Neuritis, Pancytopeni, and Aplastic Anemia have been reported.
Finally, Enbrel users have experienced bone fractures. And milder symptoms such as weakness, cough, redness around the injection site, headache, nausea, or vomiting have occurred. The side effects are usually temporary, but may indicate a serious health problem.
Blood infections, cancers, and bone fractures have led Enbrel users to sue Immunex.