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 Fever is usually continuous, but it may come and go. 2  Fever may be lower in older adults than in children and younger adults. 3  When fever is high, other symptoms usually are more severe. 4  Body aches and muscle pain (often severe), commonly in the back, arms, or legs. 5  Headache.