Mouth Ulcers | Symptoms, Causes & Prevention

mouth ulcers

If you’ve ever experienced the discomfort caused by mouth ulcers,  you’ll know how irritating that small sore inside your mouth can be. Although most of the times it’s not possible to be sure what exactly caused it, there are a few things you can do to avoid them making a return.

The most common factor associated with ulcer development is stress. Unfortunately constant discomfort of mouth ulceration doesn’t help to reduce its level.

Food can trigger ulcers formation. Crisps, chocolate, tomato products, strawberries, peanuts and fizzy drinks have been reported to increase chance of ulceration of mouth soft tissues. Allergic reaction on certain food components also can cause ulcers on irritated mucosa.

The risk of mouth ulcers can increase when hormonal levels change, especially during periods. Some medical conditions can have mouth ulcers symptoms, too. A dentist can often diagnose Crohn’s disease simply based on the number and shape of ulcers. Coeliac disease, some forms of arthritis and auto-immune conditions can also present in the form of mouth ulcers.

Ulcers can also be a reaction on some medications like beta-blockers and non-steroid anti-inflammatory drugs (like aspirin or ibuprofen).

Physical micro damage of the mouth soft tissue can be a beginning of ulcer formation. Accidental biting, sharp tooth, sharp, spicy or hot food, hard or heavily used toothbrush are just a few examples.

If possible try to avoid above, monitor your health and use a soft toothbrush, replacing it at least every couple of months. If using electrical one: make sure it has pressure sensor. And if the ulcer doesn’t heal within 3 weeks contact your dentist, especially if you smoke.

You should inform your doctor/dentist if you have any other symptoms in addition to the mouth ulcers. Other important symptoms would include skin or joint pains and inflammation.


Unsure about your dental health? Find your nearest Synergy Dental Clinic to book an appointment.

A version of this blog post first appeared in the Midweek Visiter in January 2017.

mouth ulcers

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