Sildenafil, commonly known by its brand name Viagra, is a medication used primarily to treat erectile dysfunction (ED) in men. Like all medications, sildenafil can cause side effects, although not everyone experiences them. Common side effects of sildenafil include:
Headache: This is one of the most commonly reported side effects.
Facial flushing: Some people may experience redness or warmth in the face, neck, or chest.
Indigestion: Sildenafil can sometimes cause gastrointestinal discomfort, such as stomach upset or acid reflux.
Nasal congestion: It may cause a stuffy or runny nose.
Dizziness: Some individuals may feel lightheaded or dizzy.
Vision changes: Sildenafil can temporarily affect vision, causing blurred vision, sensitivity to light, or changes in color vision.
Muscle or back pain: This can occur in some individuals as a result of taking sildenafil.
Serious but rare side effects of sildenafil include priapism (a painful erection lasting more than 4 hours), sudden vision loss in one or both eyes (a rare but serious eye problem called non-arteritic anterior ischemic optic neuropathy or NAION), and sudden hearing loss or decrease in hearing.
It's important to note that these serious side effects are rare, but if you experience any of them, you should seek immediate medical attention. Additionally, if you have any underlying health conditions, such as heart disease or high blood pressure, or if you are taking other medications, it's essential to discuss with your healthcare provider before taking sildenafil to ensure it is safe for you.
Overall, most men tolerate sildenafil well, and side effects are generally mild and temporary. If you have concerns about the side effects of sildenafil or experience any adverse reactions while taking it, it's important to talk to your healthcare provider. They can provide guidance, adjust the dosage if needed, or discuss alternative treatment options.