Also smart: Managing stress, avoiding clenching and practicing jaw exercises as recommended by your dentist or physician. Sinus infections (also known as sinusitis) strike more than 30 million ...

An allergic reaction to food or medication can also cause your sinuses and glands along the jawline to swell. Lumps on your jaw caused by allergies may feel inflamed, irritated, or sore.

One of the main reasons for jaw pain is TMD, which can be caused by teeth grinding. A sinus infection and dental issues like cavities may also lead to jaw pain. In rare cases, jaw pain may be a ...