Oral ulcers may occur at all ages, and there are multitudes of causes：oral trauma, recurrent stomatitis, vesicular stomatitis, chickenpox, hand foot and mouth disease (enterovirus), bacteria, fungi, gastrointestinal diseases, autoimmune disease, etc… Oral ulcers may easily relapse but will usually heal within 5-10 days without leaving a scar.
Oral ulcer care：
Make observation of the changes of the oral ulcers at least once everyday.
Practice good oral hygiene. Use a soft toothbrush or a gauze wrapped on a popsicle stick and clean the mouth and teeth with normal saline or boiled water. This will help promote wound healing and prevent bad breath from bacterial growth.
Drink or gurgle directly from a cup instead of a straw to avoid contact pain from the straw or wound irritation from sucking motion.
Cool soft diet will reduce the painful sensation during swallowing. Try ice cream, yogurt, jelly, cold milk, or flan. Avoid strong flavored or stimulating foods that are sour, spicy, bitter, or too sweet.
Try lip balms or vaseline to moisten the lips.
Eat frequent small meals. Do not force feed.
Always practice good hygiene. Gently wipe off drool with wet towelette. Always wash your hands before and after touching your child.
Oral drug application：
If prescribed, use the oral anti-inflammatory spray 30 minutes before eating.
When applying oral cream, gently dab a small amount of the cream with a small spatula or Q-tip on the affected areas. Do not rub as it may cause painful irritation.