Tadalafil Cialis. An OTC drug will help patients get treatment more quickly. Oral ED medications are generally well-tolerated, Dr. Please expect up to 4 to 6 weeks for reimbursement. However, the dosage can range from 25— mg. Its effects might last longer if you have mild to moderate ED. · Hims is a telehealth company that provides both prescription and over-the-counter generic and brand-name medications. The brand focuses mainly on five medications, including Viagra, that have. Find hour Walgreens pharmacies in Marietta, GA to refill prescriptions and order items ahead for pickup. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). 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.