Welcome to Health Care Magic.
I have gone through your query. You might well be suffering with Phimosis
. The burning sensation and redness
you have been experiencing is due to the stretching of foreskin.
Please get your Blood sugar levels ( Fasting and post lunch) checked. Phimosis of recent origin could be due to Diabetes
or excessive trauma to skin due to a frictional force ( may be due to excessive masturbation
). Based on the results if you are found to be diabetic , treating it should solve your problem.
I would suggest you to use a lubricant like KY jelly while stretching the fore skin or while having sex.
If the problem is severe , you might have to undergo circumcision
( It is a simple procedure which would hardly take 20 min for the surgery).
Wish you a speedy recovery