Healthcare providers have experience talking about ED and providing treatment options without any judgment or shame. Cialis was also investigated in combination with finasteride, another BPH medication, in another trial. One advantage Cialis has over Viagra and Levitra is its Clinical trials for MED found minimal side effects. They include dutasteride Avodart, Jalyn and finasteride Propecia, Proscar.Tadalafil is its active ingredient and is available as a generic drug. The FDA has approved Cialis to treat ED, symptoms of BPH, or combined ED and BPH in males with both conditions. The drug is approved for use in adults. Cialis may be prescribed once daily to treat ED, BPH, or both. Here are five things to know about the new topical gel and how it can help if you’re struggling to get an erection: 1. It Targets the Problem and Works Quickly. Being a topical means MED Cialis can be taken daily, providing constant treatment for ED for people who have sex frequently. There is also the option to take Cialis as needed. Viagra is always taken as needed, usually an hour before having sex. Frequently Asked Questions.