Erectile dysfunction (ED) is the inability to achieve or maintain an erection sufficient for satisfactory sexual performance. It can affect men of all ages but is more common in older men.
Let us first look at how erections work. It begins with arousal. When arousal occurs, the body releases nitric oxide - cgmp or cyclic guanosine monophosphate is activated - allows for muscles in the penis to relax which in turn allows for blood to enter / flow into the penis. Simultaneously, the veins in the penis gets blocked off: ta-da erect penis.
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If you or someone you know is experiencing symptoms of ED, it's important to consult a healthcare professional for proper diagnosis and treatment.
Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. For better and faster reaction time, take on an empty stomach.
Generic name: sildenafil (oral) [ sil-DEN-a-fil ]
Brand names: Revatio, Viagra
Drug classes: Agents for pulmonary hypertension, Impotence agents
Sildenafil relaxes muscles of the blood vessels and increases blood flow to particular areas of the body.
Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men.
Do not take this medicine if you are also using a nitrate drug for chest pain or heart problems. This includes nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. Nitrates are also found in some recreational drugs such as amyl nitrate or nitrite ("poppers"). Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure.
Side effects
Dizziness, headache, flushing, nasal congestion, nose bleeds, heartburn or stomach upset may occur. Vision changes such as increased sensitivity to light, blurred vision, or trouble telling blue and green colors apart may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. In extreme cases priapism might occur.
Sildenafil is a ON-DEMAND drug, whilst Tadalafil can be used as a chronic medication and taken daily. Additionaly, Tadalifil also helps with the treatment of bph - benign prostatic hyperplasia.