Viagra

Viagra is prescribed oral therapy to treat erectile dysfunction or impotency. Since its introduction Viagra has changed the lives of 16 million people to improve their sex lives. Patients with erectile dysfunction or impotency are recommended Viagra worldwide. 4 out of 5 men have improved their sexual life with Viagra. Viagra contains sildenafil citrate which helps the muscles in the penis to relax. It increases the blood flow into the penis which is very necessary for an erection.

A person should consult his doctor before taking Viagra if he is taking medicines which have nitrates, heart problems, coronary artery disease, angina, high or low blood pressure, liver and kidney problems, sickle cell anemia or leukemia, bleeding disorder, stomach ulcer, or taking any other medicine to treat erectile dysfunction or impotency. Viagra is approved by the Food and Drug Administration and are formulated according to the guidelines of the World Health Organization. If there is any side effects doctor should be consulted. Allergic reaction, swelling of the lips, tongue, swelling of the ankles and legs, face or hives, chest pain, dizziness. Sometimes headache, nasal congestion, flushing, mild dizziness, diarrhea also occur.