Stomach Burn Remedy I Am Having Mouth Ulcers Since Last 3-4 Days , & Are Extended Upto The Stomach.Pl Suggest Home Remedy?

I am having mouth ulcers since last 3-4 Days , & are extended upto the stomach.Pl suggest home remedy? - stomach burn remedy

I feel a burning sensation in the mouth into the stomach. Please make sure some of Ayurvedic medicine.
If necessary, you can also say that allopathic