Beta blockers, ACE-Inhibitors, ARBs and diuretic medications are blood pressure medications that are generally considered to be OK to use while on Cialis as long as your blood pressure is well controlled and isn’t dropping too low from medication use. Most men take a 10mg dose, but options range from 2. You should only be treated with one of these products at a time. If you are taking tadalafil to treat PAH or BPH, follow your doctor’s directions and the guidelines in this paragraph. After taking a single tablet, some of the active ingredient of Cialis remains in your body for more than 2 days. Brand-name versions of the drug approved for PAH include Adcirca. In addition to alpha blockers, we commonly hear that Cialis should not be taken with nitrates, as the combination could result in a significant and potentially serious drop in blood pressure.Tadalafil (Cialis) is used to treat erectile dysfunction (ED, impotence; inability to get or keep an erection), and the symptoms of benign prostatic hyperplasia (BPH; an enlarged . We have good news for you: generic Cialis, used to treat erectile dysfunction (ED)and enlarged prostates, just hit pharmacies. Prices for the generic, . 1. What is Cialis used to treat? Cialis is approved for the treatment of men who experience difficulty having and maintaining an erection (impotence). 2. How does Cialis work? .