You can get them when an injury or illness causes a break in the lining of your throat, or when the mucous membrane breaks open and doesnt heal. Its characterized by small, blister-like ulcers on the roof of the mouth and in the back of the throat. Non-sexually acquired genital ulceration affects mucosal surfaces and the adjacent skin. The ulcers often arise in association with oral aphthous ulcers , which are quite similar in appearance. Genital ulcers have previously been called complex aphthosis, lipschütz ulcers, mikulicz ulcers, sutton ulcers, and ulcus vulvae acutum. What causes canker sores on gum and in the throat top 17 causes canker sores are small aphthous ulcers in the mouth and on the tongue. At first, these ulcers occur with a white or yellow center, and then they end up bursting and leaving open lesions. The cassava powder 1 has cooling and detoxifying effects, helping to cool the body and prevent damage caused by hepatitis such as acne, ulcers, etc. For those who have ulcers in the mouth, using cassava flour is one of the fast cures that you should not ignore. Because of this fact, sexual health clinics often take throat swabs these days. In the throat, the germ can cause inflammation, formation of pus and sometimes soreness but may cause no symptoms. People living with hiv have a higher risk of developing mouth sores. Possible causes include viral, bacterial, and fungal infections, canker sores, and dry mouth. Both may cause ulcers of the mouth depending on the mode of sexual intercourse that took place. The virus is spread from one person to another through sexual intercourse even without the presence of sores. Apart from sexual intercourse, kissing, and sharing personal effects like toothbrushes with an infected person can give one the virus. Causes of stomach ulcers a stomach ulcer can be caused by a variety of factors,. Aspirin or other anti-inflammatory medication can be altered slightly to reduce their contributing effects on the stomach ulcer. Risk factors for throat cancer include smoking and heavy alcohol consumption. See your dentist if your mouth ulcers dont clear up within a few days, or if you get them frequently.