A sinus headache is a type of headache that is caused by inflammation of the sinuses. The sinuses are air-filled cavities in the skull that are located around the nose and eyes. When the sinuses become inflamed, they can cause pain, pressure, and congestion. Sinus headaches are often worse when you bend over or lie down, and they can be accompanied by other symptoms such as a runny nose, cough, and fever.
There are a number of things that you can do to alleviate a sinus headache, including: