Spontaneous muscle twitching can be an early symptom of ALS and a sign that motor neurons are damaged. But other causes can also contribute to muscle twitching. Consulting a doctor can help identify ...

Sometimes, people experience random muscle twitches that interrupt their normal daily activities. This is usually not harmful, but can produce discomfort. These random muscle twitches, known as ...

Medically reviewed by Nicholas R. Metrus, MDMedically reviewed by Nicholas R. Metrus, MD Almost all of us will have experienced a fasciculation at one time or another. A fasciculation is simply a ...