Cialis relaxes muscles of the blood vessels and increases blood flow to particular areas of the body. Cialis is used to treat erectile dysfunction (impotence) and symptoms of benign prostatic hypertrophy (enlarged prostate). Tadalafil is a generic medication used to treat erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension (PAH) in adults. Yes, generic Cialis (tadalafil) is widely available in the United States. The FDA first approved a generic version in May 2018, manufactured by Teva Pharmaceuticals. It is available in both brand and generic versions. Cialis is not covered by most Medicare and insurance plans, but manufacturer and pharmacy coupons can help offset the cost. Learn about the best places to buy Cialis and generic Cialis (tadalafil) online, including Ro, Hims, RexMD and Plushcare. Brand-name and generic Cialis (tadalafil) is an effective treatment for erectile dysfunction (ED) and an enlarged prostate. You can take Cialis for ED as needed before sex or on a daily basis. Common Uses: It is used to treat erectile dysfunction (ED).It is used to treat the signs of an enlarged prostate.It may be given to you for other reasons. Talk with the doctor. WHAT DO I NEED TO TELL MY DOCTOR BEFORE I TAKE THIS DRUG? Wondering when a generic version of Cialis will be available? Get details on FDA approval status, generic manufacturers, and patent expirations. Tadalafil is a generic version of the prescription drug Cialis. Doctors prescribe it to treat erectile dysfunction and benign prostatic hyperplasia. The active ingredient in Cialis is tadalafil, which is available as a generic alternative to brand-name Cialis. A generic drug is considered as safe and effective as the brand-name drug it.