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I read your query and can understand your concern.
Please help me with a few details. Did you consult a urologist before starting this tablet? Was the decision to start this medication based on an ultrasound and uroflowmetry test? And now, to answer your question, yes, this tablet does cause something called retrograde ejaculation - which means that while you have an orgasm, the semen does not come out - instead, it goes back into the bladder. This is a known side effect of this medication and reverses when the drug is stopped. However, it is not advisable to stop the medication as your urine flow will worsen. Some other tablets are available, which may help.
Revert with the answer to assist further.
Thank you and take care.