Better quit spices if you can for few days and get urself diagnosed at your nearest dentist or physician. You might be in a habbit of running your tounge behind your fronth teeth. Those might be with sharp edges or covered with calculus.
You can consult and take proper homoeopathic treatment for it. I can help you in this matter with homoeopathic medicine without side effects. You can consult me at Lybrate. Till than avoid spicy food. You can apply glycerin on ulcers. Also start taking vitamin b supplements. It will help in faster healing. You can consult me at Lybrate for homoeopathic treatment and further guidance.
Oral yeast infection (thrush) is a common cause of a burning mouth that may also occur with other causes, such as diabetes, denture use and certain medications. Geographic tongue, a condition that causes a dry mouth and a sore, patchy tongue, also may be associated with burning mouth syndrome. Psychological factors.
Generally light pink colour or slightly white colour of tongue is normal. But if the tongue is inflamed or if pure white thick coating is there then it may b a sign of infectious disease or may b fungal infection. You should seek your dentist immediately for clinical examination and further treatment.