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Creatinine clearance 30 to 50 mL/min: A starting dose of 5 mg not more than once per day is recommended, and the maximum dose is 10 mg not more than once in every 48 hours.3. "Product Information. Revatio (sildenafil)." Pfizer U.S. Pharmaceuticals Group, New York, NY. The following groups of patients with cardiovascular disease were not included in clinical safety and efficacy trials for Cialis, and therefore until further information is available, Cialis is not recommended for the following groups of patients:
daily viagra Physicians should consider the cardiovascular status of their patients, since there is a degree of cardiac risk associated with sexual activity. Therefore, treatment for erectile dysfunction, including Levitra, should not be used in men for whom sexual activity is not recommended because of their underlying cardiovascular status.Respiratory ethambutol (Myambutol)Do not take Cialis if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as "poppers". Taking Cialis with a nitrate medicine can cause a sudden and serious decrease in blood pressure.
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? cisapride Medicines called nitrates include nitroglycerin that is found in tablets, sprays, ointments, pastes, or patches. Nitrates can also be found in other medicines such as isosorbide dinitrate or isosorbide mononitrate. Some recreational drugs called “poppers” also contain nitrates, such as amyl nitrate and butyl nitrate. Do not use Levitra if you are using these drugs. Ask your doctor or pharmacist if you are not sure if any of your medicines are nitrates.
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