Ritonavir mg b. Vardenafil also does not have an effect on PDE6, which means that it does not have vision adverse effects. Patients should be advised of the possible occurrence of symptoms related to postural hypotension and appropriate countermeasures. 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. Vardenafil has not been evaluated in patients with severe hepatic impairment Child-Pugh C. It’s available in 10 mg and 20 mg tablets.• 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. Compare prices and find coupons that can instantly save you up to 80% on thousands of prescriptions at pharmacies nationwide with test1.rug: levitra. Generic: $ to $ for ten 10 mg tablets But your out-of-pocket cost for Levitra may depend on a few different factors that can drop these costs significantly, such as: how many pills or.