Pain in the low back can be a result of conditions affecting the bony lumbar spine, discs between the vertebrae, ligaments around the spine and discs, spinal cord and nerves, muscles of the low back, internal organs of the pelvis and abdomen, and the skin covering the lumbar area.
Chronic sinusitis Chronic sinusitis, or sinus infections, cause a stuffy or runny nose, tooth pain, fever, sore throat and more. Mononucleosis Mononucleosis is a viral infection causing extreme fatigue, sore throat, fever, rash, muscle aches, and more.
The different types of infections that may cause one sided swelling of the face includes 1  : Cellulitis. 2  If this extends to the area around the eye then it is known as orbital cellulitis. 3  Abscess â tooth, gingival (gum), peritonsillar. 4  Sinusitis which is an infection of the paranasal sinuses.