Well, they shouldn't: To answer your question cold, medicinal preparations. And often overlooked but it's true, migraine headaches can have an effect of causing lips and other oral structures to be tingly and numb.
Answered 7/2/2014
3.9k views
? intermittent: If the numbness is permanent then damage to the nerves supplying the sensations to lips has occurred from some injury or diease. If intermittent then it may be stress related issue
Answered 12/2/2014
3.9k views
Merits evaluation.: Although hyperventilation and low blood calcium level have been associated with peri-oral numbness, it could occur as a side-effect of a medication including an allergy or autoimmune reaction. This merits an evaluation by ones doctor.
Answered 7/3/2014
3.9k views
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