The bad side of Viagra
Viagra might be an effective treatment for impotence but not without risk. Read on to know more.
The most common side effects of having Viagra are headaches and facial flushing, which take place in 15% of the subjects. Some of them also experience nasal congestion, sneezing, indigestion, back pain, prolonged erections, palpitations and photophobia. These are benign and temporary.
But the most worrying effect of the anti-impotence drugs is the widening of the arteries, translated to low blood pressure, priapism, heart attack, ventricular arrhythmias, stroke and increased intraocular pressure (which induces glaucoma and, in time, even blindness).
People taking organic nitrites or nitrates should never use ED pills. Viagra is also forbidden for men with cardiovascular risk factors, severe hepatic impairment (decreased liver function), severe impairment in renal function, hypotension (low blood pressure), recent stroke or heart attack and hereditary degenerative retinal disorders. Viagra is not recommended to those people who take anti-HIV medication.
Recent researches showed that sildenafil and similar chemicals (like tadalafil from Cialis and vardenadil from Levitra) damage the inner ear and cause hearing loss, sometimes in just two days of drug consumption.
The drug has also been found to harm the sperm, destroying its ability to fertilize an ovule. Human sperm cells exposed to a Viagra solution, having the same concentration as that occurring in the blood of a man after taking just one pill, turned sperm cells less active.
Moreover, these cells had damaged acrosomes (the chemical-filled cap-like structures that enable the sperm to break into an ovule). A British man who took an extra dose of Viagra lost color senses, seeing everything in blue hues.
Source: India Syndicate
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