Please visit a urologist. Based on proper evaluation and diagnosis, the doctor will be able to determine the cause of your problem and suggest treatments accordingly. Also, to manage pain on your testicles I advise you to not sit for a longer duration and avoid the activities that worsen the pain. 

It needs to be examined before any ointment is suggested. if it’s just fungal Infection then might just do with anti fungal ointment, if any inflammatory lesion then needs to know the reason behind it. Rare cases if long term redness then might need a biopsy.

You nee­d not worry about issues after varicocele­ surgery. Lumps and unhealed stitche­s are common. Stitches heal slowly, so be­ patient. Lumps may linger before­ vanishing. Monitor for pain or redness, but follow doctors' advice. With time­, healing will progress as expe­cted.

Based on the symptoms you have described, it could be an urinary tract infection or some other type of infection. Free water in the abdominal cavity is due to inflammation or infection in the area. Consult with a doctor as soon as possible for proper diagnosis and treatment. They may recommend further tests or prescribe antibiotics to treat the infection.

If you have an overactive bladder, you may feel the need to urinate frequently, even when your bladder isn’t full. Common symptoms include needing to pee every few minutes, sudden strong urges, and sometimes leaking urine. This condition may be caused by nerve issues or certain medications. To manage it, you can try bladder training exercises, make lifestyle changes like reducing caffeine, and in some cases, take medications. It’s important to drink water in small amounts throughout the day and ensure your bladder is fully emptied each time you go.

You may have phimosis, a condition where the foreskin cannot be retracted because it is too tight. However, you will need to consult a urologist for an evaluation and discussion of treatment options including steroid creams as well as circumcision. To avoid disturbance and possible complications, this condition should not be overlooked.