Doctors think that may be due to the differences in male and female hormones, especially because women often get them during certain times in their menstrual cycle.
No one knows exactly what causes them. But they can run in families. That means if your parents or siblings get canker sores, the genes you share with them make it more likely that you'll develop the sores too. There may be a connection between canker sores and stress. If you get canker sores around exam time or some other big event in your life, it may be a sign of how much stress you're under. Mouth injuries like biting the inside of the lip or even brushing too hard and damaging the delicate lining inside the mouth also seem to bring on canker sores.
Sodium lauryl sulfate SLS , an ingredient in many toothpastes and mouthwashes, has been linked to canker sores, and sometimes the sores can be a sign of an immune system problem. Finally, not getting the right nutrition such as not getting enough iron or vitamin B12 also might contribute to some cases of canker sores.
Canker sores are fairly common, but that doesn't mean they should be ignored. If you have sores that last longer than 2 weeks or you can't eat or drink because of the pain, call your doctor. Also call if you get the sores more than two or three times a year. Usually, no tests are needed to diagnose canker sores. Individuals and Families.
Health and Wellness. Wellness Library. Canker Sores. Canker sore. Condition Basics What is a canker sore? What causes it? Canker sores may also develop when you: Are stressed or tired. Have your menstrual cycle, if you are a woman. Hurt your mouth, such as biting your lip. Have braces on your teeth.
Have food allergies. Eating foods that you are allergic to may cause you to get a canker sore. Eat or drink food or juice that has a lot of acid, such as orange juice. Do not get enough vitamins or minerals in your diet, such as iron, vitamin B12, and folic acid.
What are the symptoms? How is it diagnosed? How is a canker sore treated? There are many things you can try at home to relieve the pain caused by your canker sores: Eat soft, bland foods that are easy to swallow, such as yogurt or cream soup.
Cut your food into small pieces or mash or puree it. Avoid coffee, chocolate, spicy or salty foods, citrus fruits or juices, nuts, seeds, and tomatoes. Drink cold fluids, such as water or iced tea, or eat Popsicles. Sometimes fluid touching the canker sore can cause a stinging pain. Some of the above lesions are harmless and cause only mild discomfort. Other lesions, however, especially precancerous ones, are more serious. In such a scenario, early diagnosis and treatment may prevent the cancer from spreading to other parts of the body, including the esophagus and lymph nodes.
Most canker sores are short-lived. They typically clear up in one to two weeks, although a major canker sore may take up to six weeks to heal. Minor sores heal without leaving a scar, and pain or stinging gradually improves after a couple of days.
Major canker sores are less common and tend to be larger and deeper than minor sores. Because of the depth, these sores are more painful and take longer to heal. Herpetiform canker sores are a rare form of these lesions, consisting of clusters of tiny sores anywhere from 10 to or a single large lesion. Fortunately, these sores usually heal without scarring. You can expect complete healing in about one to two weeks for a minor or herpetiform canker sore. Major canker sores take longer to heal, about six weeks.
Canker sores are also divided into two categories: simple and complex. Simple sores occur about three or four times a year. Complex sores develop more often and tend to last longer. For canker sores that cause pain, many over-the-counter products can relieve symptoms and promote healing. Mouth rinses, topical pastes, or creams containing dexamethasone Decadron or lidocaine Akten, Glydo, Lidoderm help reduce inflammation. Pain relievers such as ibuprofen Advil, Motrin can alleviate inflammation.
Prolonged use of systemic corticosteroids has adverse effects, though, so an alternate course of treatment is recommended for people with chronic sores. You may even be a candidate for cauterization, in which a laser or chemical treatment is used to sear the affected tissue.
You can make your own mouth rinses using a solution of salt and warm water or hydrogen peroxide and water. Gargling with these but not swallowing them can help lessen irritation.
Recurrent aphthous ulcerations. American Academy of Oral and Maxillofacial Pathology. Mouth sores and inflammation. The Merck Manual Home Edition. Recurrent aphthous stomatitis. Goldstein BG, et al. Oral lesions. Stoopler ET, et al. Oral mucosal diseases: Evaluation and management. Medical Clinics of North American.
Belenguer-Guallar I, et al. Treatment of recurrent aphthous stomatitis: A literature review. Journal of Clinical Experimental Dentistry.
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