A member asked:

What can cause lip numbness that's twitching, appering and disappearing within seconds?

2 doctors weighed in across 2 answers
Dr. Matt Wachsman answered

Specializes in Internal Medicine

Depends: Different nerves go to each side of the lip. If it is ONE side of the lip, it is a nerve problem. It won't be one sided. Then it is an electrolyte or other metabolic effect of all nerves. Panic and hyperventilation is most common, but electrolyte loss (including medicines), sick nerves, hormonal abnormalities and many others.

Answered 10/14/2015

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Lip numbness: may come from local nerve irritation or an effect of medications. Or stress. Or Bell's palsy (though that sticks around). Twitching is more of a muscle spasm and may be associated with calcium or magnesium abnormalities. or potassium.

Answered 10/15/2016

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