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.
Inflammation of the sinuses may decrease the ability for the mucus to drain, increasing pressure within the sinuses and leading to a sinus headache. Common causes of inflammation include allergies, infections, or colds. Symptoms of a sinus headache include pain in the face that may worsen with bending down or straining;