4. Allergies
Sinusitis can occur due to environmental factors; such as hay fever. Hay fever allergies occur during the springtime and summer when plants, trees, and flowers start to release pollen into the air. Most people do not react to this release, but others may have allergies that affect their sinus when they breathe in pollen. Some people may also have allergies to dust that flare their sinus.
Most allergic reactions to pollen and dust are mild, causing symptoms of sneezing and a runny nose. In rare cases, the patient may experience severe symptoms and inflammation of the sinus that results in the development of sinus headaches.
Doctors treat allergic reactions using anti-histamine medications that reduce the allergic response in minutes after ingesting the drug. You may notice that your nose unblocks suddenly with a popping sound, and your headache disappears.
It’s possible to control your exposure to allergens during the summer by taking the medication with you in your handbag or leaving it in the glove box of your car in case of an attack.