A member asked:

Why does my mouth twitch when i tap a certain spot on my cheek?

7 doctors weighed in across 3 answers

Normal reflex: Tapping certain areas can cause a reflexive movement of the adjacent muscle. This is normal.

Answered 5/4/2014

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Dr. Ahmed Seman answered

Specializes in Internal Medicine

Nerve stimulation: You are taping the nerve which is supplying the muscles around the mouth. The response can be exaggerated if you have electrolyte abnormality.

Answered 1/30/2015

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?irritability: You may have Cvostek's sign, which is an indication of low bodily levels of ionized calcium. Simple blood test will help.

Answered 10/23/2017

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