Clinicians are generally familiar with the side effects of most prescribed medications. However, the safety of newer medications such as golimumab, an anti-TNF drug to treat autoimmune disorders, is still being examined.

Despite decades of use, methotrexate (sold as Rheumatrex and Trexall) remains a first-choice drug for treating conditions like rheumatoid arthritis. But some side effects lead patients to stop taking the drug.