Talking to Your Doctor About Erectile Dysfunction and Your Heart WebMD Feature Return to top Is premature ejaculation a sign of a serious health problem? Nicotine, alcohol, or cocaine use Viagra Canadian Pharmacy Erectile dysfunction (ED) is the repeated inability to get or keep an erection firm enough for sexual intercourse. To implant a device that causes the penis to become erect; It wasn't the ads that prompted Gao to undertake this work, and no drug companies were involved in the federally-funded study. Gao told Reuters Health that his team had noticed that both conditions seem to involve dopamine, an important message-carrying chemical, or neurotransmitter. The potential effects of prolonged PDE-5 inhibition on spermatogenesis were evaluated by Hellstrom and colleagues55 in a large cohort of men given daily doses of 10 and 20 mg of tadalafil who were followed up for 6 months. They found no significant effect of the drug on reproductive hormones or sperm parameters. Diseases (e.g., diabetes, kidney disease, alcoholism, atherosclerosis) account for as many as 70% of chronic ED cases and psychological factors (e.g., stress, anxiety, depression) may account for 10–20% of cases. Between 35 and 50% of men with diabetes experience ED. What will the future bring for erectile dysfunction? Erectile dysfunction was especially linked to diabetes. "It's important for physicians to know that more than 50 percent of their male diabetic patients are affected by erectile dysfunction," Selvin said. What types of tests will be performed to help determine if impotence is related to cardiovascular disease, kidney disease, diabetes, or another serious medical condition? If the medicines aren't right for you, you could also try using a penile implant, vacuum pump devices, or you could have surgery. Your doctor may send you to an urologist to talk about these options. Concurrent administration with potent CYP3A4 inhibitors (eg, ketoconazole, ritonavir): Not to exceed 10 mg PO q72h prn; no difference in safety or efficacy has been demonstrated in men >65 y compared with younger men If none of these nonsurgical therapies is satisfactory to the patient and his partner, a discussion regarding the relative merits and adverse effects associated with penile implants can be introduced. Some data indicate an additional benefit in some men who have an implant but also take a PDE-5 inhibitor. Sexual stimulation and sensation is enhanced.