liquid to gargle with ## the simplet rosthwell's soln is bmx--viscous lidocaine, benadryl and any anacid 100ml of each to make 300 ml either swab the area or gargle & spit ## the simplest rosthwell's soln is b m x--viscous lidocaine, benadryl and any antacid 100ml of each to make 300 ml either swab the area or gargle & spit ## Hello, Are you asking for information regarding this solution or are you just providing information on the administration method of it? If you need to know anything just let me know and I'll do my best to answer your query.