What Is Viagra ?

Viagra is also sold under the name of sildenafil and is very effective in relaxing the muscles found in the walls of blood vessels and increase blood flow to particular area of the body.

Youcan buy Viagra online USA from any trusted website if you wish to cure erectile dysfunction as well. Some medicines usually do not react well with Viagra especially riociguat and nitrates. If you are consuming nitrate drug for chest pain or heart problems your doctor must be made aware of those before prescribing you Viagra.

Uses And Dosage

Viagra must be consumed exactly as asked by your doctor. More than recommended dose of Viagra can lead to decreased flow of blood to the optic nerve causing sudden vision loss. If you have been prescribed by the doctor then you can buy Viagra online without prescription. However a standard dose of Viagra for a normal person without suffering from any other ailment could be as mentioned below -

• One pill 30 minutes or 1 hour prior to any sexual activity.
• Maybe consumed up-to 4 hours prior to any sexual activity.

Viagra must not be consumed by the following people –

Pregnant women

Breast feeding ladies

Children under 18yrs of age

People with high or low blood pressure

People having stomach ulcer

People having liver or kidney disorders

Though viagra has not been found toxic in pregnant ladies but still medical assistance has been advised.

Side Effects

Mostcommonly found side effects of viagra such as headache, dizziness, sleep problems, upset stomach usually subside once the body becomes accustom to the drug. You can buy Viagra online overnight delivery if you have been consuming it since the past. Other serious side effects that require immediate medical help are listed below –

Difficulty in breathing

Irregular heartbeat

Heart attack symptoms such as chest pain, nausea and sweating

Shortness of breath

Ringing sensation in your ears

Swelling in your hands, ankles or feet

Swelling of your face, lips, tongue or throat

All of these side effects if ignored can lead to fatal results hence a doctor must be consulted immediately.