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Treating premature ejaculation can include medications, psychological counseling, and sexual therapy. Psychological counseling and behavior therapy can help address underlying psychological issues that may be causing or contributing to the problem. Sexual therapy can help couples address relationship issues that may be contributing to the problem.
PS- Medications and treatments can be prescribed only after a proper diagnosis.

Burning when urinating, that uncomfortable­ sensation, may indicate an infection. Your urinary tract could have­ bacteria invading, causing irritation. Alternatively, a se­xually transmitted disease could trigge­r similar symptoms. Staying hydrated helps flush things out, but see­king medical care is crucial.

Penis size­ differs, like height and we­ight. A penis length of 15.5 cm and circumfere­nce 12 cm is normal. Don't stress about whether it's big or small. If there is no pain or urination issue­s, then medically, you have nothing to worry about.

It's normal for a clear fluid called pre-ejaculate to come out of the penis after urination or during arousal. This fluid can contain a small number of sperm and might be more noticeable when you're talking to a girl or feeling sexually aroused. 

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.

Testicular pain and swelling needs quick medical attention. THe main causes are testicular torsion, epididymitis, orchitis, inguinal hernia, trauma, or varicocele. Kindly consult a urologist near you for proper evalution and diagnosis of your problm.

The risk in such a case is quite low..Condoms are highly effective in reducing the risk of HIV transmission and other STIs when used correctly and consistently. But there is still a small possibility, so consult a doctor.