Yes, you can have inflammation in your sinuses without an infection. Other causes of inflammation include allergy and irritants.
inflamation of the sinuses mucous membrane
Potential causes of pain or pressure in the sinuses behind the ear include sinus infections, allergies, nasal polyps, and sinus blockages. These conditions can lead to inflammation and buildup of mucus in the sinuses, causing discomfort in the area behind the ear.
You are probably stressed. This could be a matter related to sinuses.
The type of heat that causes a burn is gas!
The difference between them is Sinuses are caused by bacteria and colds are caused by viruses. Viruses are commonly minor in comparison to bacteria (which is what causes sinus problems). That is just a small comparison.
Sinusitis (sye-nuss-EYE-tiss) means inflammation of the sinuses or, more specifically, the lining of the sinuses. Inflammation of the sinuses means infection in the sinuses which causes frontal headaches and nasal discharge. There are two sinuses called maxillary sinus which are in the cheek bones and frontal sinus and para-nasal sinuses around the base of the nose. You may require antibiotics, nasal decongestants, antral washouts and sometimes surgery to treat difficult cases.
dural sinuses, cerebral sinuses, or cranial sinuses
Rhino-virus
Paranasal sinuses are a group of four air-filled spaces. Maxillary sinuses surround the nasal cavity, frontal sinuses are above the eyes, ethmoid sinuses are between the eyes and sphenoid sinuses are behind the eyes.
Friction
Fire