Sir,
An oral ulcer which is persisting for last 2 months needs to be examined to find out the cause for non healing.
For arriving at a diagnosis,complete medical history is needed-including past medical history and ongoing medicines(if any)
Any history of tobacco consumption?
A picture of the ulcer would be helpful.
Any lab test reports available
Next Steps
kindly consult with the above information
Health Tips
Avoid spicy food.
Drink adequate water