Take this medication by mouth with or without food, usually 3 times daily as needed or as directed by your doctor. Swallow this medication whole. Do not chew, suck, or dissolve this medication in your mouth. Doing so will cause a loss of feeling in your mouth/throat and may cause choking or a severe allergic reaction. (See also Side Effects section.) Do not eat or drink until the numbness goes away. Get medical help right away if the numbness persists or worsens.