Can you get a flu shot if have sinus infection?

Yes, you can get a flu shot if you have a sinus infection. The flu shot is recommended for everyone 6 months and older, including people with sinus infections. The flu shot is effective at preventing influenza, which is a serious respiratory illness that can cause hospitalization and even death. Sinus infections are not contagious and do not affect the immune system, so they do not interfere with the effectiveness of the flu shot. However, if you are concerned about having the flu shot while you have a sinus infection, you can talk to your doctor.