It can also interact with many medicines, particularly nitrates used in some types of heart disease and blood pressure medicines. Your health information should remain between your provider and yourself. ED medications can cause side effects, and it’s crucial to have access to a medical provider if needed. The generic versions are just as effective and much less expensive. This information is reviewed by a licensed practitioner who will assess your eligibility for the medication. However, some states require a live video consultation. 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.Cialis 5mg Tablets 28 – Tadalafil. Drug Name: Tadalafil Product ID: SELECT A PRESCRIPTION. IMPORTANT NOTE: A VALID AUSTRALIAN PRESCRIPTION IS REQUIRED TO BE SENT BY POST BEFORE THIS ITEM CAN BE SHIPPED LEARN MORE. PRIVATE PRESCRIPTION PRICE. Cost: Consultation prices vary based on the prescriber; $5 generic prescriptions Medical Consultation Required: Yes Medications Prescribed: Viagra, Cialis, sildenafil, tadalafil Generic offered: Yes Why We Chose ItMissing: australia. Cialis and generic tadalafil are available in four different strengths— mg, 5 mg, 10 mg and 20 mg—but which one should you take? If you’ve never tried Cialis before, your doctor will likely start you on a low dose, like mg or 5 mg. The 20 mg tablet is the highest strength and is often not preferred because it has the potential to.