Что может быть причиной шишки внутри уретры?

The pain can be due to testicular torsion (a twisting of the testicle), epididymitis (inflammation of the epididymis), a hernia, or a testicular injury. Consult a doctor for accurate evaluation and treatment. 

This urination problem was due to a narrowing in the urethra which made it difficult for the urine to flow freely. Dilatation is a procedure to expand the urethra. It is essential to take your doctor's advice and go to all follow-up appointments to tackle this issue successfully.

As a medical expert, I would highly discourage you from taking down a chastity cage without the key. This can result in serious harm and could necessitate medical treatment. It is better to consult a urologist or an expert in sexual health for safe chastity cage removal. Please do not try to remove it yourself.
 

Pain in your lower abdomen and urinary tract, along with difficulty urinating or having a bowel movement, might indicate a blockage. Conditions like kidney stones or an enlarged prostate can cause this. It's crucial to seek medical attention as soon as possible for proper treatment and relief.

Hi, keep in mind that the high frequency of urination may be due to urinary tract infection, diabetes or prostate disease, just to mention a few. I suggest you visit a urologist or a nephrologist who will properly diagnose and treat you. It is better to go for medical consultation rather than take self diagnosis or symptoms lightly.
 

Experiencing difficulty getting an erection after having sex once could be due to various factors. This might include physical fatigue, psychological stress, medical conditions, or lifestyle factors. If it's an occasional issue, it might not be a major concern