Available only by prescription, Levitra is a drug that is used to treat erectile dysfunction (ED). This eMedTV article offers an in-depth look at Levitra, including side effects, dosing guidelines, available strengths, and more.
How does Levitra work? Levitra works by blocking PDE5, the chemical responsible for reversing an erection. This eMedTV article provides information on how Levitra works, how long it typically lasts, and how long it takes to start working.
How long does Levitra last? Levitra usually lasts about four hours. This eMedTV page lists factors that can increase how long it lasts in the body (like age and taking certain drugs) or decrease how long it lasts (like taking it with a high-fat meal).
Dizziness, nausea, and headache are a few common Levitra side effects. This eMedTV page also lists rare side effects of Levitra (such as arthritis and diarrhea) and serious problems that can occur in some people taking the drug (like sudden death).
Side effects can occur with the use of Levitra, and blindness is one that happens extremely rarely. This eMedTV Web page explains that loss of vision in one or both eyes can signify a rare condition known as NAION in some people taking Levitra.
It is possible to develop headaches from Levitra. This eMedTV page discusses the results of clinical studies involving Levitra and headaches, and explains what your doctor may recommend if headaches do occur (for example, changing your medication).
Levitra is used mainly to treat erectile dysfunction (ED). This part of the eMedTV Web site describes how Levitra works in the body and lists some "off-label" Levitra uses, such as the treatment of pulmonary hypertension and Raynaud's phenomenon.
This eMedTV Web page discusses previous studies on the effects of Levitra in a diverse group of men with erectile dysfunction (ED), including those who also had diabetes and those who had undergone radical prostatectomy for prostate cancer.
This eMedTV page lists the recommended starting Levitra dosage (10 mg), some general tips on dosing with Levitra (like always taking the drug as prescribed), and several factors that can affect the dosage your doctor recommends (such as your age).
Nitrates and antifungals are among the drugs that can potentially interact with Levitra. This eMedTV segment describes how Levitra drug interactions can decrease blood pressure and potentially lead to fainting or other side effects in some people.
This eMedTV Web page lists some Levitra precautions and warnings, such as people who shouldn't take the drug (like those who are allergic to Levitra or its components), and the importance of telling your doctor about all other drugs you're taking.
Many people sell "herbal Levitra" as a natural, less expensive alternative to Levitra. However, as this eMedTV article explains, no herbs or supplements have been proven effective for the treatment of erectile dysfunction (ED).
As this eMedTV page explains, Levitra is currently protected by a patent that prevents a generic form of the drug from being manufactured. The earliest date that a generic Levitra could become available is 2018, when the patent expires.
Levitra is not an addictive or habit-forming drug. However, as this eMedTV page explains, men with certain medical conditions may need to continue to take Levitra to achieve an erection (this does not mean that they have a Levitra addiction).
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