What is lidocaine and prilocaine topical? Lidocaine and prilocaine are local anesthetics (numbing medicines). They work by blocking nerve signals in your body. Lidocaine and prilocaine topical (for the skin) is a combination medicine used to numb the skin or surfaces of the penis or vagina. This medicine is used to prepare you for minor surgery or medical procedures on these areas.
1 A baking soda paste is another tried and true remedy to quickly make your canker sore feel better. 2  Mix a little baking soda and water and apply it to your sore. 3  Try not to eat or drink anything for about half an hour.ere are some tips. 1  Dab on some Alum Powder. 2  This old-time remedy has been passed down from generation to generation because it seems to work. 3  You can find alum in the spice section of the grocery store. 4  It is a white powder used to keep pickles crisp. 5  Wet a Q-tip then dip it in the alum; take care not to get too much.
Home Remedy for Canker Sores #4 â Tea. Another canker sore sufferer from the âHome Remedies: What Worksâ book used tea to get rid of her canker sores. She said her grandmother would always use tea bags for canker sore treatment.