Yes, the Lido in it is Lidocaine, it is a topical anesthetic. The FDA does warn that it may cause numbness, as well as nausea, dizziness, and drowsiness.
Are you on any other medications?
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Lonnie Says:
I am taking the Antacid / Diphenhydramine / Lidocaine medication every four hours. I am feeling a little dizzy, numbness and light headed.
Any dizziness and light headedness are possible side effects of Diphenhydramine. [1] It is an antihistamine, intended to bring down swelling. If the side effects do not go away or get worse, let your doctor know.