damaged nerve cells or lack of sleep. More rarely, muscle twitching can be affected by medical conditions such as Serotonin syndrome, Lou Gehrig's Disease, Isaacs' syndrome or kidney disease.

One example is gamma-aminobutyric acid (GABA) which prevents the overexcitability of nerve transmissions. If GABA is low, parts of the brain can be overstimulated and trigger a sudden twitch.

If you have low potassium levels, you might experience lip twitching. Potassium is an electrolyte that helps carry nerve signals in the body. Peripheral neuropathy can happen if you have ...