Why is my bottom lip numb after having an UGI?

Patient: Why is my bottom lip numb after having an UGI?

Doctor: HiThanks for you query, albeit small and specific.The causes of the numbness of the bottom lip after UGI Endoscop y are:- The topical anesthesia still is working on the lower lip.-It is possible that the instrument through which the endoscope passes make a trauma at the base of the lip casing neuropraxia.In a normal course this is fully reversible, nothing much to worry about.Hope this helps.