Apply mucopain ointment over the ulcer for 15 minutes before food and then rinse with water. Take vitamin c rich food. Hydrate good.

Apply mucopain ointment 15 mins before meal, rinse mouth and take meal. It will reduce pain and help eat properly. Apply oraways gel on ulcer after meal. Start multivitamin one tab daily after food

THALIDOMIDE 100 mg for 15 days once a day. I want u to get a blood report crp full blood count hemoglobin ESR VIT B12 level anti endomyasial and anti gliadin antibodies test. Get these tests done only if u get ulcers 4 times in a year more or less. Otherwise if first time no need for these tests. And this thalidomide is not for pregnant woman just to clarify my doubt if u have done any wrong entry.

Apply kenakort ointment

It may be because of some stress that you r going through that the ulcers have ocuured. It will receed on its own. Keep the area clean.

Aphthous ulcer is a very common kind of intraoral ulcer which can develop due to multiple reason starting from severe psychological stress to gastric disorder and poor oral hygiene. Generally it will last for 3-7 days and will subside naturally. It is advisable to maintain proper oral hygiene such as brushing twice daily and flossing. Also rinse mouth with luke warm saline water after every meal. Finally consume food rich in vitamin c such as  citrusy fruits. If burning sensation is extremely discomforting then topical anaesthetic gel such as benzocaine can be applied (if no history of allergy present).