Thanks for posting your query.
With the available described symptoms, there appears to be possibility of deranged eating schedule for all his symptoms.
He should try to take his breakfast at 8-9 AM, lunch at 1-2 PM and dinner at 8-9 PM.
There must be at least difference of 2-3 hours between meals and sleep.
Avoid oily and spicy food especially at night times.
Avoid milk > 200 ml in a day.
Avoid tomatoes, citrus fruits, excessive tea and coffee, chocolates, onion and garlic.
Take soft diet
along with yogurt.
Wear light fitted clothes.
Dr. Mayank Bhargava