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General Information On Viagra

Viagra is an orally administered medication for erectile dysfunction. Usually, erectile dysfunction occurs due to impaired blood flow in the penis. Viagra acts by enhancing the effects of nitric oxide, which is necessary for relaxation of smooth muscles. This brings about relaxation of the smooth muscles around the penis in turn causing increased blood flow into the penis. It must be noted that this drug will help in erection only when the patient is sexually aroused.

Side Effects/ Precautions for Viagra

Sildenafil is the pharmacological name for Viagra. Commonly, this medication causes headache, flushing, dyspepsia, nasal congestion, urinary tract infection, abnormal vision, diarrhea, dizziness and rash. Few isolated cases of patients showing flu-like symptoms and joint pain after consuming brand or generic Viagra have also been reported.

Patients, who are under medication with a certain class of drugs known as alpha blockers, must be cautious before consuming this drug. Since sexual activity causes the heart to work harder, cardiac patients must consult their doctor before deciding on the medication. Sildenafil, by itself, has a blood pressure lowering effect and is also used to treat hypertension under a different brand name; therefore, patients who are already taking anti hypertensive medication must be careful while using brand or generic Viagra as there may be an amplified blood pressure lowering effect. For patients above the age of 65, only those who are in good health may use Viagra drug. Patients with existing heart diseases must be very careful and seek medical consultation in this regard before using the drug as there have been instances of sudden heart attack. This medication has no reported use in women.

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