They have the same benefits and risks as their brand-name counterparts. How to get a Cialis prescription from Optum Store Obtaining a Cialis prescription is as easy as visiting the Optum Store site and filling out their healthcare questionnaire. Popular ED medications found online include: Viagra sildenafil : As the first FDA-approved PDE5 inhibitor for ED, sildenafil is taken 30 minutes to four hours before sexual intercourse to help achieve and maintain an erection. They also offer a wide range of treatments spanning from mental health, hair loss, asthma, and birth control. Additionally, they work closely with pharmaceutical companies and suppliers to ensure that their prices are affordable and attainable, allowing them to be a much cheaper option compared to other health-product distributors. Online ED consultations offer privacy, convenience, and affordability while allowing you to quickly get the medications you need—the same day, with some services. However, this is not considered to be serious and is thought to be a mild side effect.Cialis may be available through a mail-order pharmacy or an online pharmacy. Legitimate online pharmacies may be an option to get Cialis for erectile dysfunction (ED) treatment in a convenient and. How Cialis Works. Tadalafil and other PDE5 inhibitors primarily work by inducing muscle relaxation. Tadalafil stops the breakdown of a chemical responsible for relaxing muscles. In ED and PAH, the drug targets muscle cells in blood vessels. When the blood vessel muscle cells relax, this expands the vessel and increases blood flow; this . Cialis is approved by the FDA to treat erectile dysfunction (ED). Our medical team can prescribe Cialis 5mg, 10mg, and 20mg. The starting dose we generally recommend is 10mg. Tadalafil is the name for the active chemical ingredient in Cialis. PDE-5 inhibitors is the name of the group of medicines.