acute sinusitis – MySymptom

What Does It Mean When You Feel Sudden Intense Pressure in Your Sinus Cavities?

1. Introduction Sudden, intense pressure within the sinus cavities typically signifies acute mucosal inflammation blocking normal sinus drainage, rapid barotrauma, or severe allergic rhinitis. The paranasal sinuses are hollow, air-filled bony chambers that must continuously ventilate and drain mucus into the nasal cavity to maintain equilibrium. When the narrow ostia connecting these chambers to the … Read more

How long does a sinus infection headache last?

1. Introduction A sinus infection headache typically lasts between seven to ten days for acute viral cases, but can persist for up to four weeks or longer if a secondary bacterial infection develops. The duration is entirely dependent on how quickly the inflamed mucosal lining can reduce swelling and allow trapped fluid to drain from … Read more