Caffeine is a stimulant and could be causing your lip twitching if you drink it in excess. The … See more

Muscle twitching, or fasciculation, is a known side effect of many prescription and over-the-counter (OTC) drugs such as corticosteroids. Muscle spasms, which typically las… See more

You might experience lip twitching if you have low levels of potassium in your system. This mineral is an electrolyte and helps carry nerve signals in the body.
Potassium … See more

Drugs and alcohol can cause significant amounts of nerve damage and affect brain functioning. If you’ve consumed high quantities of alcohol or drugs for a long period of ti… See more

People with Bell’s palsy experience temporary paralysis on one side of the face.
Each case is different, but in some cases, Bell’s palsy makes it difficult for a person to move their … See more

Also known as tic convulsif, hemifacial spasms are muscle spasms that occur on one side of the face. These tics are most common in women over 40 and Asians. They’re no… See more