Burning or pain during urination is typically caused by inflammation of the urethra or bladder. or in the region around the urethra . Inflammation that results in burning or pain is usually caused by infection but sometimes by noninfectious conditions.
Overall, the most common causes of burning or pain during urination are
Bladder infection (cystitis)
Infection of the urethra (urethritis) due to a sexually transmitted disease (STD).
Diet & Lifestyle Advice
Avoid intake of hot, oily, spicy, sour, salty, and bitter foods.
Increase intake of liquids in the form of water, juices, coconut water, and other cooling drinks..
Avoid working in the sun or in a hot atmosphere such as near furnaces and boilers.
And consult expert