WebSep 1, · Descriptions Tadalafil is used to treat men who have erectile dysfunction (also called sexual impotence). Tadalafil belongs to a group of medicines called .Do not chew on it or break it apart. Do not take a double dose to make up for a missed one. John’s wort. If you are taking tadalafil for erectile dysfunction on a regular schedule, take the missed dose as soon as you remember it. If you are taking tadalafil to treat erectile dysfunction, follow your doctor’s directions and the guidelines in this paragraph. What should I do if I forget a dose? You should take tadalafil one time a day.WebTadalafil (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 . WebSep 1, · Descriptions Tadalafil is used to treat men who have erectile dysfunction (also called sexual impotence). Tadalafil belongs to a group of medicines called . WebApr 11, · $ medication_outlined Availability Available See GoodRx coupons warning Are you looking for information on Adcirca (tadalafil) instead? What is Tadalafil .Grapefruit may interact with tadalafil and lead to unwanted side effects. Do not take a double dose or more than one dose per day to make up for a missed one. From Mayo Clinic to your inbox Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. Take tadalafil at around the same time every day. Having pulmonary arterial hypertension PAH during pregnancy may cause heart failure, stroke, or other medical problems in both mother and baby. If you are taking tadalafil to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire. Tadalafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow more easily.