What is the rate of incidence for tongue spasm?

Tongue spasm is a rare condition. Tongue spasm belongs to a family of disorders known as dystonia, which are characterized by repeated and uncontrolled muscle contractions. A person may inherit an increased risk for developing tongue spasm from a parent. Tongue spasm are also a symptom of some illnesses, such as Huntington's disease, and can be a side effect of certain medications.

Tongue spasm is rare. Most tongue spasm occurs as the result of an underlying condition, such as stroke. This condition usually affects women who are older than age 30.