What does USP stand for? What does USP mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: USP.
Anytime a person with lower back pain and fever complains of a stiff neck, meningitis must be considered, especially in children. Meningitis is an infection of the tissue that covers the brain and spinal cord. It may cause upper back pain, stiff neck, swollen lymph nodes, and fever.
1 infection. 2  Neck pain and stiffness with a fever can be caused by meningitis, a serious infection of the lining of the brain and spinal cord. 3  heredity. 4  Having a parent with neck problems may increase your risk of developing a neck problem.