You can try Carrot Juice, Sea Water, and Tea Leaves for sinus infection. Those home remedies are really effective and can help you in treating sinusitis. For example, drinking carrot juice on a daily basis can help you greatly. You need to drink it in the morning, though. You can find out more about this here.
Sinus Infection Home Remedies | Your Home Remedies
Hope it helps.
Best..
David.