Master's in Sexology and Psychosexual Counseling. For More Info WhatsApp- 9604715783/9359863878. Sexual dysfunction in men The most common sexual problem in men is erectile dysfunction, when your penis does not become or stay firm. Many medical conditions can cause erectile dysfunction: high blood pressure, diabetes, blood vessel diseases, a surgery that affects your bladder or genitals, nerve disease or injury, hormonal problems, and depression. Certain medications can also cause erectile dysfunction. Another joint sexual dysfunction in men is ejaculatory dysfunction, which occurs when a man does not release semen during org.