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.
Allergies or infections that cause inflammation of the sinuses can produce facial pain. Facial pain can also be caused by sinusitis, an inflammation the sinuses, the air-filled pockets in the nasal passages, cheeks, forehead, and eyes. When your sinuses become clogged with excess mucus that cannot be drained, bacteria and other pathogens fill up your sinuses, causing pain and congestion.