Sildenafil is a medicine used to treat erection problems (erectile dysfunction). Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that
supply the lungs). If you have erection problems sildenafil works by temporarily increasing blood flow to your penis when you get sexually excited. In pulmonary hypertension it works by relaxing blood vessels in the chest. If you buy sildenafil for erectile dysfunction, it can also be known by the brand names Viagra, Aronix, Liberize and Nipatra. Sildenafil for pulmonary
hypertension can also be known by the brand names Revatio and Grandipam. This medicine is available on prescription and you can also buy it from most pharmacies. It comes as standard tablets, chewable tablets, and as a liquid that you swallow. Page last reviewed: 2 March 2022
 Viagra (Sildenafil)
From
Viagra Connect
From What are the effects of Viagra on blood pressure?What are the effects of drugs like Viagra on blood pressure? A drug such as Viagra can enhance nitric oxide. Nitric oxide is a vasodilator, which means it can lower blood pressure.
Does Viagra cause a heart attack? There has been concern that Viagra might worsen a man's underlying heart disease, even when he is not taking nitrates. The erectile dysfunction drug, which is popular, has been linked to reports of men suffering heart attacks or chest pain. Is it safe to take Viagra if you have high blood pressure?It's usually safe to combine the erectile dysfunction drugs sildenafil (Revatio, Viagra), vardenafil (Levitra, Staxyn) with high blood pressure medications. It's also usually safe to take tadalafil (Adcirca, Cialis) with high blood pressure medications.
Can you take viagra two days in a row? You can take it every day, starting at a dose of 25mg or 50mg and increasing the dose to 100mg if necessary. You can take Sildenafil several days in a row if you have no problematic pre-existing health issues. You can only take this medication if you are not taking other ED medications. What is the effect of Viagra on blood pressure?A drug like Viagra can be helpful because it increases levels of nitric oxide. Nitric oxide is a vasodilator, which means that it helps to widen blood vessels and lower blood pressure.[1]
Can a 20 year old take Viagra? There are a few factors that contribute to the answer. Your age and the reason you are taking Viagra may affect how well it works. Your healthcare provider will tell you how much of the medication you should take because Viagra isn't only used to treat erectile dysfunction (ED). The recommended dose of 50 milligrams (mg) for adults 18 to 64 years old is used to help with erections. What is the average decrease in blood pressure when taking viagra?The BP-lowering effects of sildenafil did not differ significantly between normotensive and hypertensive men.[2]
Can Viagra make ED worse? Viagra does not cause new or worsening ED. However, Viagra can sometimes cause priapism, which is a long-lasting and sometimes painful erection. Priapism is a medical emergency requiring immediate treatment. If left untreated, priapism can damage the tissues in your penis and cause irreversible erectile dysfunction. What is the effect of Viagra on eye pressure?Anecdotal reports have suggested that the vasodilator, sildenafil citrate, has the potential to increase intraocular pressure (IOP) in some individuals. Sildenafil citrate evokes its effect via a select inhibition of PDE5. A recent study also found that sildenafil can cause an ocular hypertensive effect in sheep.[3]
Does viagra make you rock hard? Viagra prevents the penis from bending and scarring. Viagra is known to make your penis harder for penetrative sex. If you begin using it early on, it has the potential to prevent penis injury. Is it safe to take Viagra with glaucoma?To see if Viagra is safe for men with chronic open-angle glaucoma, doctors from the University of Pennsylvania administered a 100-mg test dose to a group of men with the disease. The men were then monitored for two hours. No adverse effects were reported in any of the men. The drug did not have any effect on eye pressure (or blood pressure) over a 5-hour period.[4]
Is it possible to go blind from Viagra?. How much is a Viagra pill? Again, the price can vary depending on the supplier. You can buy 12 generic sildenafil tablets for £26.99 here at UK Meds. >According to a new study, an ingredient in Viagra could cause blindness in both men with eye problems and those with seemingly normal vision.[5]
Can Viagra cause vision problems?The Guardian reports that a new study has found that Viagra may permanently damage vision in some men. Viagra for men tablets can help you get and keep an erection. The news is based on research conducted on mice. This research suggests that the medication may not be suitable for men who carry a gene mutation associated with the inherited eye condition retinitis pigmentosa.[6]
It is safe to take Viagra after cataract surgery.Avoid any strenuous sexual activity for a few days. Viagra is the best sildenafil pill for erectile dysfunction. One of my private cataract surgery patients asked if it was okay to use Viagra, which is why I'm mentioning it. Strenuous sex can lead to increased pressure in your abdomen and chest which can, in turn, lead to increased eye pressure.[7]
What is the cause of blue vision with Viagra?However, Viagra also inhibits phosphodiesterase 6. Sildenafil 100mg is used to treat erectile dysfunction and pulmonary arterial hypertension. This is very similar to phosphodiesterase 5, but the effects are far more different and unexpected. Viagra sensitizes rod cells in the retina. Your vision becomes dominated by a blue tint because these rod cells are best at picking up blue.[8]
What is the reason for the blue tinted vision caused by Viagra?The author attributes cyanopsia after taking sildenafil to diminished enzyme activity, thereby sensitizing the retinal rod cells. Rod cells are most sensitive to light of wavelengths near 498 nm; such light appears blue-green to the human eye.
References
Viagra (Sildenafil)
From
Viagra Connect
From Can I take Viagra while on blood pressure medicine?Can you take ED medications with high blood pressure? Generally speaking, popular ED medications – like the phosphodiesterase inhibitors Viagra and Cialis – can be safely taken by patients who have high blood pressure.
How does Viagra affect men with high blood pressure?Studies in healthy volunteers show that a single dose of Viagra lowers systolic blood pressure by about 8 mmHg and diastolic pressure by about 5 mmHg. You should tell your doctor if you have high or low blood pressure before starting Viagra.
Does Viagra lower blood pressure fast?Viagra is rapidly absorbed into the bloodstream. Maximum concentrations are reached within about an hour. One of the more common side effects is flushing, or redness. This medication can also cause a decrease in blood pressure, particularly 1 to 2 hours after taking it.
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Can men with high blood pressure take viagra
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