Cialis (Tadalafil) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Tadalafil oral tablet is available as the brand-name drugs Cialis and Adcirca. It’s also available in a generic form. Generic drugs usually cost less than the brand-name version. Cialis comes in several doses: 2.5 mg, 5 mg, 10 mg, and 20 mg. Most of the time, the 5 mg, 10 mg and 20 mg dosages are used as-needed for the treatment of erectile dysfunction. 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. Tadalafil is a generic medication used to treat erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension (PAH) in adults, with varying dosages depending. 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). For non-prescription products, read the label or package ingredients carefully. Use of Cialis® and Chewtadzy® tablet is not indicated for use in the pediatric population. Safety and efficacy have not been established. Deciphers the medication tadalafil (Adcirca, Cialis), a drug used for the treatment of impotence (erectile dysfunction, ED). Dosage, side effects, and drug interaction information is provided. Take this product by mouth as directed. For the chewable form, chew the medication well before swallowing. For the liquid form, shake the bottle well before each dose. Follow all directions on the product package. Do not take more than the maximum recommended dose stated on the product package. Find patient medical information for Tadalafil (Cialis, Adcirca, and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.