Drug Uses

Viagra is a medicine used for treatment of impotence in males. This medicine enhances the ability of the body to achieve and maintain an erection during sexual stimulation. Viagra cannot protect you from sexually transmitted disease such as HIV.

How Taken

Viagra is available as a tablet that is taken orally. It is recommended that the medicine is taken about 1 hour before sexual intercourse but it may be used anytime between 4 hours and 30 minutes before sexual intercourse. Do not take Viagra more than once a day. You should not take more or less tablets and should not use the medicine more often than your doctor prescribed.

Warnings/Precautions

Before taking Viagra, you should inform your doctor if you have had a heart attack, stroke, or life-threatening irregular heartbeats within the last six months; have a history of heart failure; have coronary artery disease; have angina; have high or low blood pressure; have liver problems; have kidney problems; have ever had blood problems, including sickle cell anemia or leukemia; have a bleeding disorder; have a stomach ulcer; have retinitis pigmentosa (an inherited condition of the eye); have a physical deformity of the penis such as Peyronie's disease; have a condition that could lead to prolonged and painful erections, such as a tumor of the bone marrow, sickle cell anemia, or leukemia; or are using another medicine for treatment of impotence. If you suffer from any of the above-mentioned conditions, you may not been able to use Viagra or your dosage may have to be adjusted, or you may have to be monitored during the treatment. Viagra is indicated to be used by men only but it falls into the FDA pregnancy category B which means it is not expected to harm a fetus. It is not clear if Viagra passes into breast milk. Women should not use this medicine. Patients older than 65 years of age are more likely to develop side effects from Viagra. Your doctor may reduce your dosage.

Missed Dose

You are unlikely to miss a dose of Viagra as the medicine is taken only when needed.

Possible Side Effects

The side effects caused by Viagra are usually mild to moderate and disappear after a few hours. Some of them may occur after usage of higher doses of the medicine. The most frequent side effects caused by Viagra include headache, flushing of the face, and upset stomach. You may also develop other not so common adverse reactions such as temporary changes in color vision (such as trouble telling the difference between blue and green objects or having a blue color tinge to them), eyes being more sensitive to light, or blurred vision. Very rarely Viagra may cause an erection which lasts many hours. In case your erection continues more than 4 hours you should immediately consult your doctor because if not treated, this condition may cause permanent damage of the penis. In rare cases men have experienced heart attack, stroke, irregular heartbeats, and death. In most of these cases the men have had heart problems and it cannot be determined if these reactions are caused by Viagra.

Storage

Keep Viagra away from children. The medicine should be stored at a temperature of 25°C (77°F); fluctuations allowed to 15-30°C (59-86°F). Keep Viagra in its original container.

Overdose

Immediately search for medical help if you suspect an overdose. The symptoms of an overdose of Viagra are unknown but may include chest pain, dizziness, an irregular heartbeat, and swelling of the ankles or legs.

More Information

Do not take Viagra if you use medicines that contain nitrates, no matter if you take them regularly or only when needed. Combined usage of Viagra and medicines that contain nitrates may suddenly drop the blood pressure to an unsafe level and you may become dizzy, faint or even have a heart attack or stroke. Many prescription medicines used to treat angina contain nitrates. Viagra should be used only by patients with erectile dysfunction. Viagra is not indicated for usage by newborn babies, children and women. Do not give your Viagra to other people. This medicine is used only under supervision by a doctor.

Disclaimer

This drug information is for your information purposes only, it is not intended that this information covers all uses, directions, drug interactions, precautions, or adverse effects of your medication. This is only general information, and should not be relied on for any purpose. It should not be construed as containing specific instructions for any particular patient. We disclaim all responsibility for the accuracy and reliability of this information, and/or any consequences arising from the use of this information, including damage or adverse consequences to persons or property, however such damages or consequences arise. No warranty, either expressed or implied, is made in regards to this information.

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