Common Name/Other Name
Singaw (Fil.); aphthous ulcer
Canker sores are small, painful ulcers on the inside of the mouth, tongue, lips or throat. It can often make eating and talking uncomfortable and difficult. It is often mistaken as synonymous with cold sores, but unlike cold sores, canker sores appear on soft tissues inside the mouth and are not contagious. Pain often goes away in 7 to 10 days but it can take 1 to 3 weeks for a canker sore to completely heal.
A canker sore can be simple or complex. Simple canker sores appear three or four times a year and can last up to a week. It can appear in people aged 10 to 20. Complex canker sores are less common and develop in people who have had it before.
Small or tiny white or yellow oval-shaped ulcer
Tingling sensation in the mouth
Painful red area in the mouth
Less common symptoms include:
General discomfort or uneasiness
Commonly Prescribed Drugs
Treatment is usually not necessary for minor cancer sores which clear on their own in a week or two but there are treatment options for managing the pain and inflammation:
Mouth rinses containing dexamethasone or chlorhexidine reduce pain and inflammation.
Topical pain medications with benzocaine, lidocaine, and hydrogen peroxide may help relieve pain and speed healing if applied to canker sores as soon as they appear.