BPH is caused by an enlarged prostate. What special dietary instructions should I follow? Here’s how much the increase will be. Your doctor will help you decide the best time for you to take tadalafil before sexual activity. You may attempt sexual activity at any time between doses.Cialis Dosage Print Save Cialis Dosage Generic name: Tadalafil mg Dosage form: tablet, film coated Drug class: Impotence agents Medically reviewed by test1.ru Last updated on Do not split CIALIS tablets; entire dose should be taken. CIALIS for Use as Needed for Erectile Dysfunction. Generic: available in tablets of 5, 10, and 20 milligrams (mg), starting from $ Daily Generic: available in doses of and 5 mg at $8. Branded Cialis: available in doses of 5, 10, and. How should I take Cialis? Cialis is usually taken only once per day. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended. Cialis can be taken with or without food. Do not break or split a tablet. Swallow it whole.