1 tablet per day Frequency 1 tablet per day 2 tablets per day 3 tablets per day 4 tablets per day 5 tablets per day Supply It’s the number of days or months a medication will last if .Tadalafil stops the breakdown of a chemical responsible for relaxing muscles. Knowing that one can maintain a fulfilling intimate relationship bolsters self-esteem and overall mental health. Frequently asked questions What erectile dysfunction medications can I get through Amazon Clinic? You can buy it from a store-based pharmacy or reputable online pharmacy with a prescription. Your clinician will consider your health history and personal preferences when prescribing treatment. Treating erectile dysfunction when PDE5 inhibitors fail.How Cialis Works. Tadalafil and other PDE5 inhibitors primarily work by inducing muscle relaxation. Tadalafil stops the breakdown of a chemical responsible for relaxing muscles. In ED and PAH, the drug targets muscle cells in blood vessels. When the blood vessel muscle cells relax, this expands the vessel and increases blood flow; this . Cialis (tadalafil) is an expensive drug used to treat erection problems in men. It may also be used to treat the enlargement of the prostate gland. This drug is slightly more popular . About this medication. TADALAFIL (tah DA la fil) treats pulmonary arterial hypertension (PAH), a condition that causes high blood pressure in the lungs. It works by relaxing your blood vessels and lowering the blood pressure in your lungs, which makes it easier for your heart to pump blood to the rest of your body.After taking a single tablet, some of the active ingredient of Cialis remains in your body for more than 2 days. You will still need to be sexually stimulated to be able to get an erection and maintain it. Tadalafil works for these conditions by promoting muscle relaxation, which improves blood flow in PAH and urinary flow in BPH. But with every wave of information we ride, like the one on Cialis today, we are better equipped to make informed decisions. It belongs to the drug class known as PDE5 inhibitors. If you need emergency medical care for a heart problem, it will be important for your health care provider to know when you last took Cialis.