Sinus headaches involve pressure or pain in the forehead, brow, below or behind the eye, behind the ear, and, occasionally, sensitivity in the upper gums. Injury to nasal passages and sinuses may also predispose a person to sinus infections and headaches. Certain conditions may also make a person prone to sinus infections (eg, those with Sjögren's syndrome), due to abnormal tissue lining of the sinuses. Infection of the sinuses is possible in anyone, but it is potentially more common or serious in people who have weakened or malfunctioning immune systems (those with AIDS, cancer, or poorly controlled blood sugar with chronic steroid use old age, etc).

People with chronic or severe allergies may develop headaches in specific settings that they can easily identify (eg, seasonal allergies, being around pets). Sinus headaches are a common response to allergies to substances in the environment such as dust, pollen, ragweed, and grass, which, in those affected by the particular allergy, cause production of secretions that drain into the sinuses and congest them. Increased intensity and/or frequency of headaches.Loss of motor function, the ability to think clearly, or convulsions associated with headache.Stiff neck and a high fever associated with headache.

Immediately seek medical attention if you or someone you are caring for experiences any of the following: This irritation can be secondary to infection of the sinuses by viruses, bacteria, fungi, or other organisms or may be secondary to allergies. Sinus headache involves head pain in the setting of irritation of the sinuses (air-filled chambers present in several bones of the face).

Pain behind eyeballs