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.
Report Abuse. Mix some warm water with some salt to make a salt water solution and use it to rinse your mouth out every few hours (or after eating). To take the pain away, you can find something over the counter to help with canker sore pain (I think it's called Canka) or Orajel.KGI Â· 7 years ago.ry using a capfull of peroxide with just about an equal amount of salt..enough to make a paste. Take the paste and swab it on the sore at night, and when you wake up in the morning. It will sting, but it makes the sore go away in a few days...and its not as painful during the day. Scoob-E Â· 7 years ago. Thumbs up.