Xiidra isn’t classified as an immunosuppressant.
Immunosuppressants suppress (weaken) the activity of your immune system. This can help lessen dry eye symptoms, such as irritation and inflammation.
Cyclosporine (Restasis) is an example of an immunosuppressant that’s used to treat dry eye syndrome. To read about Restasis, see the “Xiidra vs. Restasis” section above.
However, Xiidra doesn’t work in that way. It contains the drug lifitegrast, which binds to certain proteins in the body and reduces inflammation.
To learn more about how Xiidra works, see the “How Xiidra works” section below. Also, talk with your doctor or pharmacist.