The way ACTEMRA is believed to work was suggested in preclinical research. It is not known exactly how it works in the body.
Important Side Effect Information | Serious infections
ACTEMRA changes the way your immune system works. This can make you more likely to get infections or make any current infection worse. Some people have serious infections while taking ACTEMRA, including tuberculosis (TB), and infections caused by bacteria, fungi, or viruses that can spread throughout the body. Some people have died from these infections. Your healthcare provider should test you for TB before starting and during treatment with ACTEMRA.
Before starting ACTEMRA, tell your healthcare provider if you have:
- an infection, think you may have an infection, are being treated for an infection, or get a lot of infections that return. Symptoms of an infection, with or without a fever, include sweating or chills; shortness of breath; warm, red or painful skin or sores on your body; feeling very tired; muscle aches; blood in phlegm; diarrhea or stomach pain; cough; weight loss; burning when you urinate or urinating more than normal
- any of the following conditions that may give you a higher chance of getting infections: diabetes, HIV, or a weak immune system
- tuberculosis (TB), or have been in close contact with someone with TB
- live or have lived, or have traveled to certain parts of the United States where there is an increased chance of getting fungal infections. These parts include the Ohio and Mississippi River valleys and the Southwest
- hepatitis B or have had hepatitis B
Who should not take ACTEMRA?
Do not take ACTEMRA if you are allergic to tocilizumab, or any of the ingredients in ACTEMRA.
Please see Important Safety and Side Effect Information. For additional Important Safety Information, please see full Prescribing Information, including BOXED WARNING and Medication Guide.