Can Cialis be used with other treatments for impotence? Tell your doctor if tadalafil is not working well or if you are experiencing side effects. Tadalafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus HIV. What special dietary instructions should I follow? Ask your pharmacist for a list of the ingredients. When will Cialis be available to pharmacies?A study found that from to , the median price of Cialis jumped from $ to $ for 30 tablets. Generic brands start at around $ for 30 tablets. Generic brands start at around.  · Drug Images Cialis (tadalafil) is prescribed to treat erectile dysfunction and symptoms of benign prostatic hyperplasia. It comes as a tablet that’s taken as needed or . Tadalafil Brand names: Cialis, Adcirca. Tadalafil. Find out how tadalafil treats erectile dysfunction, pulmonary hypertension and benign prostate enlargement, and how to take it.