WebMar 24, · Pros lasts up to 36 hours for some people, which is longer than Viagra can be taken as needed or on a daily, regular basis daily use allows for a more spontaneous .Brand-name versions of the drug approved for PAH include Adcirca. It may be taken with or without food. Do not take a double dose to make up for a missed one. There are two different ways to take tadalafil, either daily or on an as needed basis. The FDA has also approved tadalafil for treatment of both benign prostatic hypertrophy and erectile dysfunction where the two conditions co-exist. Tadalafil was found to have similar benefits for lower urinary tract symptoms as the usually prescribed tamsulosin.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 . WebMar 24, · Pros lasts up to 36 hours for some people, which is longer than Viagra can be taken as needed or on a daily, regular basis daily use allows for a more spontaneous . WebJun 26, · Generic name: Tadalafil mg Dosage form: tablet, film coated Drug class: Impotence agents Medically reviewed by Last updated on Jun 26, Do .If you experience chest pain, dizziness, or nausea during sexual activity, call your doctor immediately or get emergency medical treatment, and avoid sexual activity until your doctor tells you otherwise. In trials of the drug, individuals taking Cialis saw a significant reduction in the frequency and urgency of urination and improved urine flow. If you are taking tadalafil for erectile dysfunction on a regular schedule, take the missed dose as soon as you remember it. Do not take a double dose or more than one dose per day to make up for a missed one. It belongs to the drug class known as PDE5 inhibitors. If you are taking tadalafil to treat erectile dysfunction, follow your doctor’s directions and the guidelines in this paragraph.