More serious side effects may include a drop in blood pressure or an erection that lasts longer than four hours. Oral medicines for ED usually work well and cause few side effects. Medical consultations were also taken into consideration, as PDE5 inhibitors require a valid prescription from a licensed medical provider. Medicines that block an enzyme called CYP3A4. Understanding Erectile Dysfunction and Its Treatment Cialis, scientifically known as Tadalafil, is a prescription medication primarily used to treat erectile dysfunction ED in men.AdTry Promescent® male prolong spray & enhance sexual duration and climax satisfaction. Developed by Urologists, recommended by thousands, used by test1.ru: Supplements · Privacy Policy · For Women · Premature Ejaculation · Sex Toys. Tadalafil is a medicine used to treat erectile dysfunction (ED, also called impotence) and problems with urination caused by an enlarged prostate (benign prostatic hypertrophy or BPH). It is sometimes known by its generic name tadalafil, and sometimes known by its trade name, Cialis. There are also other brands of this medicine available. We would like to show you a description here but the site won’t allow test1.ru more.