Are ED drugs available over-the-counter? This boosts blood flow and helps you get an erection from sexual activity. Can an enlarged prostate cause ED? Erectile dysfunction medications require a prescription from a licensed provider. Those with pre-existing conditions should always consult a healthcare provider before taking new medications or supplements. It might be a while before MED is available at your local pharmacy.PDE5 inhibitors, such as sildenafil and tadalafil, are common medications to help ease ED symptoms in older people. This medication is safe for seniors unless they also take nitrates or have a. Erectile dysfunction medications, including Viagra and Cialis, help the muscles in the penis relax so you can get and maintain an erection. But these drugs differ by side effects, dosage schedule. 25 rows · Compare risks and benefits of common medications used for Erectile Missing: walmart.