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.
Stiffness is the feeling that the motion of a joint is limited or difficult. The feeling is not caused by weakness or reluctance to move the joint due to pain. Some people with stiffness are capable of moving the joint through its full range of motion, but this movement can require force.