Skip to main content. Mouth and teeth. Home Mouth and teeth. Mouth ulcers. Actions for this page Listen Print. Summary Read the full fact sheet. On this page. What are mouth ulcers? Aphthous ulcers Mouth ulcers that won't heal Symptoms of mouth ulcers Causes of mouth ulcers When to seek treatment for mouth ulcers Treatment for mouth ulcers Prevention of mouth ulcers Where to get help.
Aphthous ulcers Aphthous ulcers are recurring ulcers which affect around 20 per cent of the population. Symptoms of mouth ulcers The symptoms of a mouth ulcer depend on the cause, but may include: One or more painful sores on part of the skin lining the mouth. Swollen skin around the sores. Problems with chewing or tooth brushing because of the tenderness. Irritation of the sores by salty, spicy or sour foods. Loss of appetite.
Causes of mouth ulcers Mouth ulcers can be caused by a wide range of factors including: Accidentally biting the inside of your cheek. Injury from a toothbrush such as slipping while brushing. Constant rubbing against dentures or braces. Burns from eating hot food. It's best to get it checked. Most of the time, mouth ulcers will clear up without treatment within a week.
You can relieve the discomfort with an anaesthetic mouth gel applied to the area, which you can buy over the counter from pharmacies. If after following this advice they do not get better, contact your doctor. Learn more here about the development and quality assurance of healthdirect content. Mouth ulcers are little sores that come up on the tongue or gums. Read more on raisingchildren. Read more on Better Health Channel website. Aphthous Ulcers are a common problem with a higher prevalence in high socio-economic areas.
Read more on Australasian College of Dermatologists website. Read more on Parkinson's Australia website. Read more on Diabetes Australia website. Hand, foot and mouth disease is a common childhood illness. It causes mouth ulcers and blisters on hands and feet. A child with a herpes simplex mouth infection might have a sore mouth, mouth ulcers and trouble eating and drinking. Mouth care is essential for people with MND, and particularly for those who have swallowing difficulties or varying degrees of tongue and throat muscle weakness.
Read more on MND Australia website. Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content. Create a personalised content profile. Measure ad performance. Select basic ads. Create a personalised ads profile. Select personalised ads. Apply market research to generate audience insights. Measure content performance. Develop and improve products. List of Partners vendors. Mouth ulcers, also known as oral ulcers, aphthous ulcers, or canker sores , are breaks in the tissue lining of your mouth, often along the base of the gums or inside the cheeks or lips, but can form in the floor of the mouth or on the tongue.
Very rarely a mouth ulcer may be the early sign of a cancer. Herpetiform ulcers are a subtype of aphthous ulcers and get their name because they resemble the sores associated with herpes. Unlike herpes, HU is not contagious. HU ulcers recur very quickly, and it may appear that the condition never gets better. This type can range in size from about 2 millimeters mm up to 8 mm across.
These ulcers typically take up to 2 weeks to get better and will cause minor pain. Bigger than minor ulcers, major ulcers are often irregular in shape, may be raised, and penetrate deeper into the tissue than minor ulcers.
They can take several weeks to go away and are likely to leave scar tissue when they clear. During more extreme outbreaks of mouth ulcers, some people may experience fever , sluggishness, and swollen glands. There are some situations, however, where a person should see a doctor as soon as possible.
Some of these circumstances include:. Though the appearance of an ulcer may be inevitable, there are some things people can do to lessen the severity of or reduce the number of times they suffer from an outbreak. Thankfully, mouth ulcers tend to clear up on their own, and the pain associated with an ulcer typically disappears within a couple of days.
There are some medications in the form of ointments and solutions that may help with pain and swelling, but these are often not necessary for a person to make a full recovery.
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