The specific process for getting ED pills online depends on your chosen provider. The generic versions are just as effective and much less expensive. Contact your medical provider if you experience any side effects during treatment. You can see an in-person provider or speak with a doctor virtually. Other risk factors for erectile dysfunction include neurologic problems multiple sclerosis, stroke , depression and medications for treating diabetes, hypertension, heart disease and depression. In those patients already taking an optimized dose of PDE5 inhibitor, alpha-blocker therapy should be initiated at the lowest dose.Vardenafil 4 tablets Blister 20 mg. Vardenafil, sold under the brand name Levitra among others, is a medication that is used for treating erectile dysfunction. [1] [2] It is a PDE5 inhibitor. [1] It is taken by mouth. Possible reactions include: a potentially dangerous drop in blood pressure, or hypotension. dizziness. fainting. There is also a risk of stroke and heart attack. A man should not use vardenafil if. • LEVITRA is taken as needed: For most patients, the starting dose is 10 mg, up to once daily. Increase to 20 mg or decrease to 5 mg based on efficacy/tolerability. () • A starting dose of 5 mg LEVITRA should be considered in patients ≥65 years of age. () • LEVITRA is taken orally, approximately 60 minutes before sexual activity.