By stopping this enzyme, the drug allows better blood flow into the penis, meaning better erections. During the pandemic, rules prohibiting providers from prescribing these types of drugs without seeing a patient in person were waived. Erectile dysfunction can be caused by a variety of factors , including age, cardiovascular problems, diabetes, and other conditions that affect nerve function or blood flow. This information is reviewed by a licensed practitioner who will assess your eligibility for the medication. Can you buy Viagra over the counter? It’s available in 25 mg, 50 mg, and mg tablets and lasts up to 18 hours. It may be difficult to remain firm despite wanting to have sex.AdGet a Prescription for ED treatment, discreetly deliverED to your ive Offers · How It Works · Get More InfoBrands: Sildenafil, Tadalafil, Get Started, Order Now and more. AdSave Time & Money with Online Prescription for Viagra, Cialis, Sildenafil and Tadafil. Free & Private Online Consultant with Real Doctors. Reliable E.D. Meds Shipped Discreetly.