These problems can be due to excessive of spiced food. Take pantocid 40 mg 1 tab daily empty stomach. Use kenakort 0.1% mouth gel for mouth ulcers. For other problems you need to adjust diet. There is cream available for anal burning.
Have you confirmed hydrocoele via ultrasound?
Next Steps
avoid spicy and non veg food
Health Tips
"Indigestion and Gas - What to Do Besides Medicine" by Sarthak Chakravarty - https://www.practo.com/healthfeed/indigestion-and-gas-what-to-do-besides-medicine-29056/post