Hello, don’t panic mouth ulcers are usually stress related or due to lack of sleep or deficiency of
Vitamin b
Or poor oral hygiene . You can have medicine becasules capsules tds1-1-1 for 3 days and smilogel 1mg gel apply the gel around the affected area for 2mins keep in mind do not swallow the saliva you can spit it out after 2 mins apply the gel 3-4times a day
Next Steps
You can consult for further treatment
Health Tips
Focus on diet as well avoid consumption of spicy oily food, have bland diet for few days consume more of curds and honey,focus on oral hygiene and sleep well
Stay home stay safe thank you