Mouth Ulcers

Disponible En Espanol


Care at Home

  • CANKER SORES are the #1 cause of mouth ulcers: * 1 to 3 painful, white ulcers of the inner cheeks, inner lip or gums (no fever). * Causes include injuries from rough food, tooth brushes, biting, or food irritants. * Here is some care advice that should help.
  • LIQUID ANTACID FOR MOUTH PAIN: * For mouth pain, use a liquid antacid such as Mylanta or the store brand. Give 4 times per day as needed. After meals often is a good time. Age: For children over 1 year old. * For children over age 6, can use 1 teaspoon (5 ml) as a mouth wash. Keep it on the ulcers as long as possible. Then can spit it out or swallow it. * For younger children age 1 to 6, put a few drops in the mouth. Can also put it on with a cotton swab. * Caution: Do not use regular mouth washes, because they sting.
  • PAIN MEDICINE: * To help with the pain, give acetaminophen (such as Tylenol) or ibuprofen. Use as needed. See Dose Table.
  • FLUIDS AND SOFT DIET :   * Try to get your child to drink adequate fluids. * Goal: keep your child well hydrated. * Cold drinks, milk shakes, popsicles, slushes, and sherbet are good choices. * Solids. Offer a soft diet. Also avoid foods that need much chewing. Avoid citrus, salty, or spicy foods. Note: Fluid intake is more important than eating any solids. * For infants, you may need to stop the bottle. Give fluids by cup, spoon or syringe instead. Reason: The nipple can increase the pain.
  • RETURN TO SCHOOL: * Canker sores cannot be spread to others. * Children with fever need to be checked before going back to school. * Also, children with many mouth ulcers should be checked before going back.
  • WHAT TO EXPECT: * They heal up in 1 to 2 weeks on their own. * Once they occur, no treatment can shorten the illness. * Treatment can help with the pain.
  • CALL YOUR DOCTOR IF: * Mouth ulcers last more than 2 weeks * Your child becomes worse

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