More persistent or severe symptoms may not appear for 10 years or more after HIV first enters the body in adults, or within 2 years in children born with HIV infection. This period of asymptomatic (without symptoms) infection varies greatly in each individual.
The muscle contractions you feel is muscle fasciculation or muscle twitch. Twitching is caused by minor muscle contractions in one particular area, or the persistent and uncontrolled twitching of a muscle group in a distribution of a single nerve fiber or filament.he muscle contractions you feel is muscle fasciculation or muscle twitch. Twitching is caused by minor muscle contractions in one particular area, or the persistent and uncontrolled twitching of a muscle group in a distribution of a single nerve fiber or filament.
Answer: Muscle spasm results from inflammation that occurs when a muscle is overstretched or torn. It begins as a muscle strain, which doesn't sound like a serious injury, but it can cause severe low back pain. Many people go to the emergency room each year because of a muscle strain.In fact, most episodes of acute lower back pain are caused by damage to the muscles and/or ligaments in the low back.any people go to the emergency room each year because of a muscle strain. In fact, most episodes of acute lower back pain are caused by damage to the muscles and/or ligaments in the low back.