Insurance: If you plan to use insurance, make sure the online provider accepts it. Understanding Erectile Dysfunction and Its Treatment Cialis, scientifically known as Tadalafil, is a prescription medication primarily used to treat erectile dysfunction ED in men. CIALIS can cause your blood pressure to drop suddenly to an unsafe level if it is taken with any nitrate medication. Your doctor will probably tell you not to take tadalafil if you are taking street drugs containing nitrates. Make sure to get an estimate of when you can expect your prescription in the mail. How long does it take for Cialis to peak? · But on average, its effects start to lessen 2 to 3 hours after you take a dose. The typical dose for once-daily Cialis for ED is milligrams (mg) to 5 mg. When used as needed for ED, the usual. Cialis (tadalafil) is a popular medication used to treat erectile dysfunction. It’s available in tablets ranging from mg to 20mg. It can cost more than $ for a month’s supply, depending on the dosage you need and the pharmacy you visit. You can save more than 90% on the average retail price at certain pharmacies by using a GoodRx coupon. Tadalafil – STADA T20 – 20 Milligramm. Tadalafil, sold under the brand name Cialis among others, is a medication used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. [4] [5] [7] It is taken by mouth. [7] Onset is typically within half an hour and the duration is up to 36 hours.