What precautions should I take when using sildenafil citrate?
Viagra is not labeled or approved for use by women or children, or by men without erectile dysfunction. The medication may also be contraindicated (not recommended for use) in patients with certain medical conditions. Because sexual activity can stress the heart, men who have heart problems should check with their physician to see if sexual activity is recommended. Viagra may trigger temporary hypotension (low blood pressure) and is known to increase cardiovascular nerve activity, so it is prescribed with caution in men with a history of heart attack, artherosclerosis, angina, arrhythmia, and chronic low blood pressure problems. However, a study published in the March 15, 2001, British Medical Journal found no evidence that the drug causes a higher incidence of heart attack. A four-year update on the safety of Viagra published in September 2002 corroborated the findings of the British report, and stated that the only absolute contraindication for the use of sildenafil is the concurrent
