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Since Levitra is administered as and when required, it is unlikely that you will be following a dosing schedule with regards to the drug. Increase a man’s sexual desire

The effect on one of the major end points, maintenance of erections after penetration, is shown in Figure 6, for the pooled results of 5 fixed-dose, dose-response studies of greater than one month duration, showing response according to baseline function. Results with all doses have been pooled, but scores showed greater improvement at the 50 and 100 mg doses than at 25 mg. The pattern of responses was similar for the other principal question, the ability to achieve an erection sufficient for intercourse. The titration studies, in which most patients received 100 mg, showed similar results. Figure 6 shows that regardless of the baseline levels of function, subsequent function in patients treated with Viagra was better than that seen in patients treated with placebo. At the same time, on-treatment function was better in treated patients who were less impaired at baseline.(N=94) Tadalafil 2.5 mg viagra canada 20 mg tablets debossed with “C 20”41. "Viagra and loss of vision." Med Lett Drugs Ther 47 (2005): 49

Taking Levitra with certain other medicines can cause a sudden and serious decrease in blood pressure. Do not take vardenafil if you also take riociguat (Adempas), or if you take a nitrate drug for chest pain or heart problems. Nitrates include nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. Nitrates are also found in some recreational drugs such as amyl nitrate or nitrite ("poppers"). maxman fatigue, pain in or around the eyes

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how does viagra work NDA NDA021400 04/23/2003 Take Viagra as instructed by the prescribing physician. Typically, Viagra works best if taken approximately 1 hour before a sexual encounter. To get an erection, you will need to be sexually aroused. There are limited data from the use of tadalafil in pregnant women. Animal studies do not indicate direct or indirect harmful effects with respect to pregnancy, embryonal/foetal development, parturition or postnatal development (see section 5.3). As a precautionary measure, it is preferable to avoid the use of CIALIS during pregnancy.

CialisThese are not all the side effects of LEVITRA. For more information, ask your doctor or pharmacist.