Side Effects of Sildenafil

Viagra can cause dizziness, headache, redness, or upset stomach. Changes in vision may also occur, such as increased sensitivity to light, blurred vision, or problems in distinguishing blue and green colors. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

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To reduce the risk of dizziness and lightheadedness, rise slowly when rising from a sitting or lying position.

Remember that your doctor has prescribed Viagra because you have determined that the benefit to you is greater than the risk of side effects.

Many people using this medication do not have serious side effects.

Sexual activity can put extra strain on your heart, especially if you have heart problems. If you have heart problems and experience any of these serious side effects while having sex, stop and get medical help immediately: severe dizziness, fainting, chest / jaw / left arm pain, nausea.

Rarely, a sudden decrease in vision, including permanent blindness, in one or both eyes (NAION) may occur. If this serious problem occurs, stop taking Sildenafil and get medical help right away. You are slightly more likely to develop NAION if you have heart disease, diabetes, high cholesterol, other eye problems (“crowded disc”), high blood pressure, if you are over 50 years old or if you smoke.

Also, in the rare case of having a painful or prolonged erection of 4 or more hours, stop using Viagra and get medical help right away, or permanent problems may occur.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching / swelling (especially of the face / tongue / throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.


Irene Irene avatar

I want to talk about men’s Viagra. It happened that my husband began to fail in bed, so I decided that something must be done. I went to the drugstore and bought Viagra, husband argued with me for a long time, shouted “I don’t need that chemistry stuff, I’m fine.” All the same, I persuaded him and it was three hours of pleasure, I want to say it was the best night since my youth. So if you have problems in bed – just buy Viagra. By the way, after a month of taking these pills, it all remained fine without Viagra also, so now I’m happy.

Lisa Lisa avatar

Viagra is a pill, and it should be prescribed by a doctor in case of erectile dysfunction. But my husband believes that for this there must be really valid reasons and deviations in health. We use Viagra just for the holiday in bed. After all, you always need a holiday to rest from monotonous everyday life, to relax at its fullest. Usually we use Viagra on Friday, when the next day you do not have to go to work (not every Friday, of course). The husband, when he comes to dinner, says “I bought Viagra!”, Then he goes back to work, and I’m still looking forward to the pleasure.
The husband is temperamentally choleric, and he has an erection all right, but I’m a phlegmatic, and as I swing, my husband is already in a decline. And to somehow extend the relationship, use Viagra, and not without results. It is thanks to Viagra, when my husband has a long and strong riser, I can really feel the joy of sex. Even now I write, I remember, and a wave of desire overwhelms me.
So Viagra is a pleasant addition for a couple who have love and mutual respect, and attraction, but different temperaments.