These are involuntary contractions of a muscle
What to look for
a brief, flicking sensation confined to a
small part of the body, such as the eyelid; usually indicative of a harmless involuntary
a repetitive, uncontrollable, purposeless
contraction of an individual muscle or group of muscles, usually in the face, arms, or
more severe trembling.
Tics and twitches are involuntary
contractions of a muscle or group of muscles. They come in many forms and have a variety
of causes, some mild and some serious.
Movements such as mouth twitching, and
excessive blinking may be signs of a minor psychological disturbance. They are usually
childhood afflictions and the child will normally grow out of it.
Tics or twitches are sometimes caused by
neurological disorders. This condition may result from brain damage at birth, head trauma,
or use of certain medications.
If you drink too much coffee, or are
withdrawing from alcohol abuse, you may also experience
trembling or shaking of your body or limbs.
Tension-related tics or twitches usually
disappear on their own, especially if you take steps to reduce stress.
If the twitching is the result of taking certain medications, speak with your doctor who
may be able to switch you onto something else.
If tics are severe and persistent and there
is no clear physical cause, your doctor may prescribe other medication to control it for