01Where does the bottle actually come from?
A local counter and a mail house both wait on the same written line. The clinician has to be licensed where you sit. Pickup day is that pharmacy's stock, not a promise from the visit. The bottle that arrives has to match the written strength.
The pharmacist who hands it over can still ask about the last nitrate, an alpha-blocker, or a new CYP3A4 drug from another office. The vardenafil shelf is the labelled tablet, not a store. A fill without a US order is not how this medicine is dispensed.
02What does BeSafeRx do with an online cart?
FDA BeSafeRx is the campaign for checking that an internet pharmacy is a real licensed shop. Look up the license on FDA.gov before a card number goes in. A pretty storefront is not the check. FDA also tells people not to buy prescription tablets from sites that sit outside the United States.
Shops that skip a prescription, hide a US address, or will not name a pharmacist fail that review. Warning letters have named sites that offer prescription drugs without a prescription or without the required risk language. BeSafeRx does not price the tablet. It only tells you whether the shop is a pharmacy.
03Which chart lines stop the write?
Organic nitrates - regular or intermittent - are a hard stop with vardenafil. So are nitric oxide donors. That stop covers nitroglycerin in tablets, sprays, ointments, or patches, and isosorbide dinitrate or mononitrate. Recreational nitrites called poppers sit on the same list. The label never set a safe gap after the last tablet.
Class IA drugs such as quinidine or procainamide, Class III drugs such as amiodarone or sotalol, and congenital long QT are another avoid line. Left ventricular outflow obstruction, such as aortic stenosis, can make a vasodilator a poor fit. That screen is why a phone-only cart is a poor first step.
04What if an alpha-blocker is already on the list?
Alpha-blockers and vardenafil both drop blood pressure. The person should already be stable on the alpha-blocker before the first LEVITRA tablet. The start then sits at the lowest labelled strength. In healthy volunteers, vardenafil alone dropped mean supine pressure by 7 mm Hg systolic and 8 mm Hg diastolic.
Separating the swallow from the alpha-blocker is the caution the label keeps repeating. Volume depletion or a second antihypertensive can make that drop larger. A new blood-pressure drug from another office belongs back with the clinician who wrote vardenafil.
05Can you skip the visit and buy it anyway?
No. Levitra is not sold over the counter in the United States. A gas-station blister that names vardenafil is not a US fill. Hereditary retinal degenerations, including retinitis pigmentosa, also sat outside the trials, so a cart that never asks about eyes is skipping work the visit is supposed to do.
Generic bottles follow the same write-then-fill path. The INN on the label does not open a counter lane. Dialysis is another unstudied setting; a leftover bottle from a neighbor does not fix that gap.
06Who has to sign the vardenafil order?
Any licensed clinician who can see the chart can write vardenafil. A urology referral is extra work, not a rule on the LEVITRA label. The visit still has to name the nitrate list, the standing-pressure drugs, and whether a long QT history sits in the file.
If sexual activity itself is off-limits because of the heart, the tablet stays off too. Resting systolic pressure under 90 mm Hg, uncontrolled pressure over 170/110, or a stroke, infarct, or life-threatening arrhythmia in the last 6 months sat outside the trials. The order can print Levitra or vardenafil. Film-coated US tablets come as 2.5 mg, 5 mg, 10 mg, and 20 mg. This shelf keeps the usual start at 10 mg.