This is because there is a chemical in grapefruit juice which can increase the amount of vardenafil in your bloodstream and make side-effects more likely. Getting the most from your treatment You and your partner will still need to engage in foreplay, just as you would if you were not taking a medicine for erectile dysfunction. Very common vardenafil side-effects these affect more than 1 in 10 men What can I do if I experience this? If you are taking or using any other medicines. These include chest pain and tightness, shortness of breath, extreme lightheadedness, and swelling in the hands and feet. You can take the tablet either before or after food but, if you have just eaten a large or high-fat meal, it may take longer for it to work. Resources and support See the Healthy Male site for more information about erectile dysfunction and its treatment.At Walmart Pharmacy, we work hard to offer our customers affordable prices for generic medications. Find yours for just $4 or $10 for a 30 or day supply. detected when LEVITRA 20 mg was dosed 24 hours before NTG. (See Figure 2.) Figure 2: Placebo-subtracted point estimates (with 90% CI) of mean maximal blood pressure and heart rate effects of pre-dosing with LEVITRA 20 mg at 24, 8, 4, and 1 hour before mg NTG sublingually. Compra en USA Compra en PR day supply Cholesterol FENOFIBRATE MG (30 tablets, $9), GEMFIBROZIL MG (60 tablets, $9), SIMVASTATIN 10MG, 20MG, 40MG (30 tablets, $9) Diabetes.