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.
Sinus Infection Facts. Sinus infections occur when the sinuses become swollen or inflamed as the result of a common cold, bacteria, allergies or fungal infections. Symptoms include swelling and possibly pain in the face, thick discharge in the nose and throat, aching in teeth and jaws, reduced sense of smell and taste and a persistent cough.