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 Your fever is accompanied by a painful headache, nausea, confusion, a stiff neck, drowsiness, and a red or purple rash: You may have meningitis.  Your fever is accompanied by a stiff jaw, sweating, muscle spasms and pain, and trouble swallowing: you may have tetanus.