Cialis, Levitra, and Viagra are oral medications used to treat erectile dysfunction (ED). You may also know them by their generic names, tadalafil (Cialis), vardenafil (Levitra), and sildenafil (Viagra). About 30 million men occasionally have a problem with getting or keeping an erection, according to the Urology Care Foundation. When ED becomes a problem, many men turn to oral ED medications. Cialis, Levitra, and Viagra each work in similar ways. But there are also some differences, such as when you take them, how long they work, and what their side effects are. Cialis, Levitra, and Viagra are all in a class of drugs called PDE-5 inhibitors. These drugs work by blocking an enzyme called phosphodiesterase type 5. clomid how it works Levitra tablets contain an active ingredient called vardenafil. Each tablet contains either 2.5mg, 5mg, 10mg or 20mg vardenafil. Your doctor – or online doctor – will make a dosage recommendation based on your medical history. For men who are trying Levitra for the first time, the recommended dose is 10mg. The dose you are prescribed depends on your medical history. Most men can take the standard dosage of 10mg, but patients who suffer from some liver problems or other health problems are prescribed the lower dosages. Which dosage is best for you depends not only on your general health but it also depends on how effective the drug is for you. As with many other types of medication, erectile dysfunction drugs like Levitra do not work equally well for everyone. Buy viagra luton Before we get to the duration of Levitra's effect, let's take the time to see what exactly it is and how it works. Even though it has been discovered and introduced to. can i buy citalopram over the counter in spain Jul 19, 2014. I've read on other sites that the drug company's want you to buy another prescription so the expiration dates don't mean much unless its an. Necessarily much designed to do levitra pills expire be early while wearing also and should. Very read the generic time doctor before commencing game. If you or a loved one struggle with erectile dysfunction, you are likely acutely aware of how expensive drugs like Cialis, Viagra, and Levitra can be. It’s no fun to shell out your hard earned money on prescription medications that are necessary for your health and wellness. That’s why generic drug equivalents appeal to so many people. They offer the same benefits at a fraction of the cost. Now, patients will have access to a drug called Vardenafil, which is generic Levitra! Levitra is one of the top medications for ED, up there in the ranks of Cialis and Viagra. 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The French company Sanofi is buying global rights from Lilly to sell the erectile dysfunction drug after its patents expire. Jul 29, 2016. Levitra, Cialis, and Viagra are oral medications for treating erectile. The length of time a drug stays in your system may be important if you're.