Mouth sores are nothing but swelling in the oral cavity with small red blisters or lesions. It can appear in gums, tongue, cheeks and upper roof of the mouth causing irritation and pain. These are also called canker sores or blisters and every one of us may get mouth sores at one point in life. Burning the mouth by eating hot foods and drinks, hurting the mouth with sharp objects accidentally and biting the tongue occasionally may give rise to mouth sores. They are caused by virus called herpes simplex and initially the person may experience tingling sensation in the affected region. Fever, stress and exposure to sun may also cause mouth sores.
Simple home remedies are enough to cure mouth sores. Rinse the mouth with lukewarm salt water several times a day. Treat the mouth sores with the solution of hydrogen peroxide and water. Most of the mouth sores will disappear on its own without requiring any treatment. In case if the swelling is severe, then you can buy topical ointments like Blistex for treating mouth sores.
Pictures of Mouth Sores :