When there is blockage in the sinus cavities, there is pressure as well as infection. This causes the sinus headache. Proper treatment should be taken if the headache is due to cold, flu and allergy. Weather changes and pollen season also cause sinus headache. It is important to clear the mucus collected in sinus cavities. Due to sinus headache, you can have dull or throbbing pain in forehead. The pain worsens with movements. There is congestion in the sinus area. You should take rest and avoid exhaustion. Steam inhalation can help a lot. Add peppermint oil to the water before taking stream. Drink water and tea. Some home remedies to get rid of sinus headache are as follows.