Bexsero (meningococcal group B) is a vaccine used to prevent meningitis B. Bexsero can cause side effects that range from mild to serious. Examples include injection site redness and pain, muscle ...

Methotrexate injection, a treatment for certain autoimmune diseases and cancers, can lead to various side effects. These range from common, mild reactions such as headache and nausea to serious, ...