According to the FDA, generic medications contain the same active ingredients as brand names, meaning there’s no difference in effectiveness or safety. Your primary care doctor should always know what medications you’re taking, including ED pills prescribed by another provider. It doesn’t come over the counter and is prescription only. Those with a history of blood pressure or heart issues, hormonal imbalances, mental health issues, and diabetes should consult their doctor before trying PDE5 inhibitors. Most online providers require a picture of a valid ID, a selfie showing your face, and a recent blood pressure reading taken with a home blood pressure monitor or by a medical provider. This prolific lifespan on the market has yielded generations of men who want to learn about this medication’s properties, warnings, and precautions. Insurance: If you plan to use insurance, make sure the online provider accepts it.What is Tadalafil (Cialis)? Drug Facts. Common Brands Cialis. Drug Class PDE-5 inhibitor. Controlled Substance Classification Not a controlled medication. . Our medical team can prescribe it online and our pharmacy can mail it to you in 5mg, 10mg and 20mg dose. An even lower cost option for ED medicines is generic sildenafil 20mg . Products. Cialis. What is Cialis. Cialis is a PDE5 inhibitor, a drug designed to treat erectile dysfunction (ED). It is a selective inhibitor of cyclic monosphosphate (cGMP)-specific .