You can take this medicine with or without food 30 minutes before sex, depending on the dose. Depending on your particular health concerns, you might go directly to a specialist — such as a doctor who specializes in male genital problems urologist or a doctor who specializes in the hormonal systems endocrinologist. How oral medicines differ Each oral medicine for ED has a slightly different chemical makeup. Especially tell your healthcare provider if you take any of the following: medicines called nitrates medicines called guanylate cyclase stimulators such as Adempas riociguat medicines called alpha-blockers, such as Hytrin terazosin HCl , Flomax tamsulosin HCl , Cardura doxazosin mesylate , Minipress prazosin HCl , Uroxatral alfuzosin HCl , Jalyn dutasteride and tamsulosin HCl , or Rapaflo silodosin. These medicines all work well for ED. Don’t view occasional erection problems as a reflection on your health or masculinity, and don’t automatically expect to have erection trouble again during your next sexual encounter.Patients should always ask their doctors for medical advice about adverse events. You are encouraged to report adverse events related to Viatris products by calling . Here’s our process. How we vet brands and products Erectile dysfunction (ED) is the medical term for trouble getting or maintaining an erection that is satisfying for sexual . If you sense your doctor is uncomfortable talking about ED, ask for a referral to a urologist—a specialist trained to treat conditions related to the urinary tract and male .