Fasciculations are a common symptom of ALS. Thesepersistent muscle twitches are generally not painful but caninterfere with sleep. They are the result of the ongoing disruptionof signals from the nerves to the muscles that occurs inALS.

Beside above, when should I worry about muscle twitching? Muscle twitches can happen for lots of reasons,like stress, too much caffeine, a poor diet, exercise, or as a sideeffect of some medicines. Lots of people get twitches in theeyelid, thumb, or calf muscles. These types oftwitches usually go away after a few days. Theyre oftenrelated to stress or anxiety.

In respect to this, does ALS start on one side of the body?

Although ALS affects both sides of thebody, atrophy may start on one side, becomingsymmetrical as the disease progresses.

What comes first in ALS weakness or twitching?

Early stage ALS Early symptoms of ALS are usuallycharacterized by muscle weakness, tightness (spasticity),cramping, or twitching (fasciculations). Alternatively, theymay first appear in a leg — in either case, diseasethat begins in the arms or legs is often called “limbonset” ALS.