DycloPro Dyclonine Hydrochloride Topical Solution, 1 fl oz jar. This solution is for topical use only, anesthetizes mucous membranes before endoscopic procedures, for prosthetic impressions, surgical procedures for the moral region, and suppresses the gag reflex for x-rays. It will take 2-10 minutes to set in and lasts approximately 30 minutes. 1 oz bottle