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This decrease was seen at one to two hours after taking the medication. Doses may range from 5 mg to 20 mg depending on efficacy and patient tolerability. If it is not treated right away, priapism can permanently damage your penis sudden vision loss in one or both eyes. A: I do not know what strength Viagra (sildenafil) you take, but your physician may want to increase the strength you take. Also the medication is recommended to be used with caution by patients who have had life-threatening arrhythmias, heart attack, or stroke within the last six months, cardiac failure, coronary artery disease resulting in unstable angina, or by patients with left ventricular outflow obstruction.

Thus, one pill targets a physical aspect of sexual dysfunction. But I figured it would be better than not knowing anything! This can cause your body to process drugs more slowly.

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Pediatric Use VIAGRA is not indicated for use in pediatric patients. The evaluation of erectile dysfunction should include a determination of potential underlying causes and the identification of appropriate treatment following a complete medical assessment. The maximum recommended dose of 100 mg sildenafil was not evaluated in this study [see DRUG INTERACTIONS]. Taking sildenafil with a nitrate medicine can cause a serious decrease in blood pressure, leading to fainting, stroke, or heart attack. If you take VIAGRA after a high fat meal (such as a cheeseburger and french fries), VIAGRA may take a little longer to start working Do not take VIAGRA more than 1 time a day. Do not take Viagra 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".

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There are no controlled clinical data on the safety and efficacy of Viagra patients who suffered a myocardial infarction (heart attack), stroke, or life-threatening arrhythmia within the last 6 months. You should not need a new prescription for this medication to be refilled. Dosage Adjustments Due To Drug Interactions Ritonavir The recommended dose for ritonavir-treated patients is 25 mg prior to sexual activity and the recommended maximum dose is 25 mg within a 48 hour period because concomitant administration increased the blood levels of sildenafil by 11-fold [see WARNINGS AND PRECAUTIONS, DRUG INTERACTIONS, and CLINICAL PHARMACOLOGY].

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During the phase 1 trials, it was noted that the drug did very little to prevent angina but did induce marked penile erections. This includes nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, and others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). I am only 29 years old, married to a very wonderful and attractive man, but honestly I could care less about sex. Having a large, high-in-fat meal just before you take your Viagra can make it take longer to start working. You may need to have your blood pressure monitored while you take this drug. Increased side effects can include low blood pressure or erections that last longer than normal. Prices vary widely, but expect to pay over $1 per pill for generic Viagra (sildenafil) and $3 for generic Levitra (vardenafil). Chocoholic Miss DubaiForums 2005 Posts: 12833 Reply Re: Viagra - HELP! Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice. A decrease in testosterone production has also been identified as the cause in some men with diabetes.