Sinus Headache

Sinus headaches are caused by sinusitis, an inflammation of the sinus cavities in the face and head that is usually due to infection. Inflammation of the sinuses decreases the ability for the mucus to drain, increasing pressure within the sinus, and leading to the sinus headache. The combination of more fluid and less drainage leads to the pain and pressure of a headache.

These headaches include a buildup of mucus in the sinuses, nasal congestion and discharge, tenderness below the eyes or over the forehead, and sometimes fever, nausea and dizziness. If the sinus headache is caused by an infection, there may be fever, tenderness in the sinus area, and a yellow-green discharge from the nose or back of the throat. If this happens consult a physician, for sinus infections can be dangerous if they migrate to the brain.

Pain is the primary symptom of a sinus headache, usually due to the increased pressure and decreased drainage from the affected sinus cavity. The pain of a sinus headache is often described as an increasing pressure sensation overlying the area with an associated tenderness to the touch. The pain usually intensifies with sudden head movement or straining, which is due to the increased pressure within the sinus cavities.

Seasonal and other allergies can cause nasal congestion which can trigger a headache, even in the absence of a sinus infection.

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