In those patients already taking an optimized dose of PDE5 inhibitor, alpha-blocker therapy should be initiated at the lowest dose. More serious side effects may include a drop in blood pressure or an erection that lasts longer than four hours. Patients should be advised to contact the prescribing physician if new medications that may interact with LEVITRA are prescribed by another healthcare provider. In vivo studies: Nitrates: The blood pressure lowering effects of sublingual nitrates 0. 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.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 It. GUNN & MOORE GM Metal Studs Spikes For Shoes 22 Screw-in Cricket Spikes. $ 1. Remove. 1. Remove. $ GRAY NICOLLS Gray-Nicolls Metal Spikes Replacement For Shoes – Pack of 20 / Silver. $ Levitra is not a cure for ED and you still need to be aroused for the medication to work. Levitra and its generic version (vardenafil) are available in doses of: milligrams. 5 milligrams.