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.
A spasm may be a muscle contraction caused by abnormal nerve stimulation or by abnormal activity of the muscle itself. A series of spasms, or permanent spasms, is called a spasmism. A spasm may lead to muscle strains or tears in tendons and ligaments if the force of the spasm exceeds the tensile strength of the underlying connective tissue.