Cialis: Is one right for you? Hormonal ED Treatment Hormone therapy has the potential to address the foundation of ED, unlike most treatments that only offer short-term solutions that need to be used each time an erection is desired. Shipping is fast, free, and discreet. We also love that they have a handy app, making access to medical care on the go even easier. Generic sildenafil may be ordered in packs of 14 and 28 tablets with a 50 mg dosage, while generic tadalafil is obtainable in packs of 9 and 18 tablets with a 10 mg dose.Extra 15% off $30 sitewide with code SAVE15; Clip your mystery deal! BOGO 50% off select Walgreens health & wellness.  · Cialis and Viagra have different FDA-approved uses, but they’re both used to treat ED. The use of Cialis and Viagra in treating ED has been directly compared in clinical studies. One. Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide. This boosts blood flow and helps you get an erection from sexual activity.