Expert Advice :
You have been prescribed Sildenafil for the treatment of erectile dysfunction. It is best to take it an hour before sexual intercourse. But, you can take it anytime between 30 minutes and 4 hours before sexual activity. Do not take it more than once a day. Seek medical attention if the erection persists for more than 4 hours after sexual intercourse. Do not use Sildenafil if you have recently taken nitrates (medicines used in angina or chest pain). Do not take it if you have had a heart attack in the past 3 months, or stroke or heart failure in the past 6 months.
Side Effects :
Headache, Nosebleeds, Insomnia (difficulty in sleeping), Erythema (skin redness), Nasal congestion (stuffy nose), Dizziness, Nausea, Dyspepsia, Hot flushes, Shortness of breath, Visual disturbance
How it works :
Sildenafil is a phosphodiesterase-5 (PDE-5) inhibitor. It works by relaxing the blood vessels in your penis, thereby increasing blood flow into the penis on sexual stimulation. This helps you achieve and maintain a hard, erect penis suitable for sexual activity.
Uses / Indications :
Sildenafil is used in the treatment of erectile dysfunction.
