Thanks for your query.
I will try my best to provide you with best possible professional recommendations to your questions.
I think by preventing the release of sperm by holding your penis, that might have caused trauma to your urethra
, that might be the reason for bleeding.
UTI might be reason for burning micturation.
I advice you to get an urine routine and culture sensitivity and consult the physician.
Yet again, I do hope that you have found something helpful and I will be glad to answer any further queries.