Thanks for your query.Based on the facts that you have posted it appears that you have tingling
,and itching in tip of your penis with clear watery discharge from tipof the penis.
This is most likely to be due to excessive secretion of periurethral glands located in urethra .
The pain and itching is due to acidic nature of this discharge.
Please take broad spectrum antibiotics along with anti inflammatory drug like Diclofenac
Get the prescription of medicines from your family Physician.
Please get your blood sugar levels done to rule oit diabetes