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.
Causes of Abdominal Muscle Spasms. Overworked muscles: Unfamiliar exercise or frequent strenuous activity can cause the abdominal muscles to spasm. This happens because the muscle is being overused, resulting in the muscle's energy loss.This loss of energy causes it to contract suddenly, resulting in muscle spasms.our abdominal muscle spasms may accompany one or both of these bowel abnormalities. Heartburn: This is a sensation in your chest that resembles burning. It most commonly affects the chest area, but can also manifest in the neck, throat, and even face.