Key Takeaways Cialis (tadalafil) is used primarily to treat erectile dysfunction and symptoms of benign prostatic hyperplasia. Dosage varies based on treatment goals, ranging from daily low-dose to higher doses taken as needed. Typical adult doses range from 2.5 mg to 20 mg, with adjustments made for individual health. Tadalafil, sold as Cialis, is a medication that treats erectile dysfunction. Here’s our guide to Cialis dosages and what to do if you take too much. Tadalafil is a generic drug prescribed for erectile dysfunction and other conditions. Learn about the drug’s dosages, form, strengths, and more. Cialis is used to treat erectile dysfunction (ED) and benign prostatic hyperplasia (BPH). Find out the recommended dosages of Cialis, how to take it, and more. Medscape - Erectile dysfunction, pulmonary arterial hypertension-specific dosing for Adcirca, Cialis (tadalafil), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. 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 Detailed dosage guidelines and administration information for Cialis (tadalafil). Includes dose adjustments, warnings and precautions. Cialis (tadalafil) comes in four tablet strengths: 2.5 mg, 5 mg, 10 mg, and 20 mg. The right dose depends on whether you’re taking it as needed before sex or once daily, and whether you’re treating erectile dysfunction, an enlarged prostate, or both. The standard starting dose for as-needed use is 10 mg, while daily use starts at 2.5 mg. Use of Cialis® and Chewtadzy® tablet is not indicated for use in the pediatric population. Safety and efficacy have not been established. Appropriate studies have not been performed on the relationship of age to the effects of Adcirca® and Alyq™ tablet in the pediatric population. Safety and. The safe maximum tadalafil dose in 24 hours is one dose: up to 20 mg for ED as needed or 5 mg for daily ED/BPH. Learn timing, interactions, and when 40 mg applies (PAH).