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Possible uses of Viagra
Viagra is used to treat male sexual function problems, the treatment of impotence.

Prescribing Information
Follow the directions for using this Viagra provided by your physician. Common prescribed dosing for Viagra involves taking a 50mg dose by mouth between one and four hours prior to sexual activity. Individuals should not take more than 100mg of Viagra during any given 24 hour period. Viagra works in conjunction with sexual stimulation to help achieve an erection.

Viagra Precautions
Individuals should not exceed the recommended dose of Viagra or take Viagra for longer than prescribed without first consulting with your physician. Keep all physician and laboratory appointments while you are using Viagra. The medication is contraindicated in individuals with known allergies or hypersensitivity to the medication or any of the components. The medication should be discontinued if hypersensitivity to any of the medications ingredients is noted. Inform your physician of your complete medical history especially if you have any conditions of the penis (fibrosis/scaring, history of painful/prolonged erection [priapism], abnormal curvature of the penis, [Peyronie's disease] etc.), Cardiovascular complications (heart attack, congestive heart failure, unstable angina [chest pain], arrhythmia [an abnormal heartbeat rhythm] uncontrolled hypertension or hypotension, history of postural hypotension, stroke, transient ischemic attacks [TIAs], etc), blood disorders (sickle cell anemia, thalassemia, bleeding disorders, etc.), cancer (leukemia, myeloma, prostate, etc), kidney or liver disease, stomach ulcers, eye complications (retinitis pigmentosis). Men who are taking medicines that contain nitrates (Nitroglycerin) of any kind must not use Viagra (please see drug interactions).

There is also a potential for cardiac risk during sexual activity in patients with preexisting cardiovascular disease. Therefore, Viagra should not be used in men where sexual activity is inadvisable because of their underlying cardiovascular status.

 Viagra Drug Interactions
Inform your physician of all nonprescription and prescription medication you may use, especially any of the following medications, cimetidine, erythromycin, mibefradil, rifamycins (e.g., rifampin), azole antifungals (e.g., itraconazole, ketoconazole) or high blood pressure medicines. Do not start, stop or change the dose of any medicine without physician or pharmacist approval.

Men who are taking medicines that contain nitrates (Nitroglycerin) of any kind must not use Viagra. Patients should not take Viagra even if you only take nitroglycerin medication occasionally (combining Viagra with nitrates can result in a dangerously low blood pressure that can result in a heart attack, stroke or even death). Nitrate medications often have nitro or isosorbide in their names. Nitrates are also found in recreational drugs. The following chart depicts commonly prescribed nitrate medications:

Please note: The list above is for illustrative purposes only and is not all inclusive.

Viagra Side Effects
Reported side effects were generally mild and include headache, flushing, stomach upset, nasal stuffiness, diarrhea and dizziness, etc. These symptoms generally occur early in the treatment and subside in a relatively short period of time with continued use of Viagra. If the side effects continue or you notice new side effects contact your physician, nurse, or pharmacist.

Viagra Missed Dose
Not applicable for the use of Viagra.

Viagra Overdose
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of a medication overdose may include irregular or unusually slow or fast heartbeat, unusual nervousness or excitement, rapid breathing, confusion, hallucinations, and seizures.

Viagra Storage
Store Viagra at room temperature between 59 and 86 degrees F (15-30 degrees C) away from light and moisture (do not store Viagra in the bathroom). Keep Viagra and all medications out of the reach of children.

Viagra Notes
The use of Viagra does not protect against sexually transmitted diseases (e.g., HIV, Hepatitis B, gonorrhea). Individuals should continue to use protective measures necessary to guard against these diseases. Do not share Viagra with others for whom the medication was not prescribed.

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