You can see an in-person provider or speak with a doctor virtually. Both Cialis and Viagra work quickly. Both medications are generic now and can be found at discounted rates, making them more accessible to the public than ever before. This is high blood pressure that occurs in the main artery that carries blood from the right side of the heart the ventricle to the lungs. Summary Cialis and Viagra are both pills for treating erectile dysfunction. How oral medicines differ Each oral medicine for ED has a slightly different chemical makeup. Kavaler says. · 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 once per . Cialis (tadalafil) is an expensive drug used to treat erection problems in men. It may also be used to treat the enlargement of the prostate gland. This drug is slightly more popular than comparable drugs. It is available in both brand and generic versions. Cialis is not covered by most Medicare and insurance plans, but manufacturer and. Tadalafil, or generic Cialis, is most commonly used to treat erectile dysfunction (ED). However, it’s also used to treat benign prostatic hyperplasia (BPH) and pulmonary arterial hypertension.