Thanks for writing in.
The symptoms that you have described could be due to dermatitis
or meatal stenosis. Meatal stenosis is a condition which can be diagnosed on an examination and urethroscopy. Dermatitis could occur to sexually transmitted diseases, irritants, allergens and trauma.
I would suggest you see a urologist
who can perform a complete examination. This would need to be followed by a urethroscopy.
The treatment would then depend on the identified cause.
Hope this helps.