Sinus Headache is a common complaint in the general population.
It cause a dull, deep, throbbing pain in the front of head and face.
Sinuses are air-filled spaces inside forehead, cheekbones, and behind the bridge of your nose. When they get inflamed, usually because of an allergic reaction or an infection , they swell, make more mucus, and the channels that drain them can get blocked.
The build-up of pressure in sinuses causes pain that feels like a headache, and is called sinus headache
Sinus headaches often begin first thing in the morning, and may be better by afternoon. It can be difficult to diagnose, as its symptoms are similar to tension headaches and migraines.
Sinus headaches can be caused by sinus congestion and inflammation, called sinusitis.
A true sinus headache is caused by an obstruction of normal sinus drainage. This allows mucus to build up inside your sinuses. The mucus that gets trapped in your sinuses is a good breeding ground for bacteria and other germs that can lead to sinusitis. “Sinus headaches are almost always caused by nasal or sinus obstruction that starts with an infection or an allergy
Sinus headaches that are associated with allergies may include seasonal symptoms of hay fever such as congestion, sneezing, itching, and runny nose