Cialis Now Available as Generic Tadalafil: Here’s What You Need to Know – GoodRx We have good news for you: generic Cialis, used to treat erectile dysfunction .When the blood vessel muscle cells relax, this expands the vessel and increases blood flow; this effect is referred to as vasodilation. 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. Ask your pharmacist for a list of the ingredients. Brand-name versions of the drug approved for PAH include Adcirca. Your doctor or other health care professional can recommend one for you based on these factors, other health conditions you have and any other medicines you take.It is the brand name for tadalafil, a medication also used to treat ED. Tadalafil is in a class of drugs called phosphodiesterase-5 (PDE5) inhibitors and is available in a . Brand names Why is this medication prescribed? Tadalafil (Cialis) is used to treat erectile dysfunction (ED, impotence; inability to get or keep an erection), and the symptoms of .  · Description and Brand Names. Drug information provided by: Merative, Micromedex® US Brand Name. Adcirca; Cialis; Descriptions. Tadalafil is used to treat .You should take tadalafil one time a day. Do not take a double dose to make up for a missed one. These include a heart attack, stroke or a serious heart rhythm disorder in the past six months. Tadalafil is also sometimes taken once a day every day without regard to timing of sexual activity. Furthermore, the longer half-life is the basis for tadalafil’s daily therapeutic use in treating pulmonary arterial hypertension. They include dutasteride Avodart, Jalyn and finasteride Propecia, Proscar.