What is Viagra?
Viagra is a brand name of sildenafil, the prescription-only drug which normalizes men’s power and used to treat male impotence also known as erectile dysfunction. Sildenafil is categorized into phosphodiesterase inhibitors class, which increases the blood flow to male organs during sexual activities, resulting in a hard and long lasting erection.
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Viagra has been in use for over decades. Over the period it has help millions of people across the entire world, gaining popularity as the most efficient erectile dysfunction remedy. The most interesting part about this medication is that it can provide you more than the ability to perform sexually. One can enjoy a much harder erection, increase libido and enhanced sensitivity stimulation. However people who are taking Viagra have also reported the ability to control the duration of their sexual activity and therefore taking 100mg of Viagra means having sexual activities on a whole new level.
However, since Viagra manufacturers had to invest some money in developing the drug in early 90’s, a single pill to get you that sustainable erection can cost you some money. The Viagra pills made by the Pfizer company are usually much expensive than the sildenafil which you can find from and online pharmacy. The main reason as to why sildenafil cost less is that its manufacturers didn’t have to pay any research or marketing, but the main active ingredient is the same and works exactly same.
Most people who can’t afford the costly brand Viagra finds their solution online. You can purchase an affordable Viagra online without any prescription and get your Viagra delivered to you right to your doorstep in less than a week.
How do Viagra works?
In most cases Viagra works by speeding up the blood flow to the penis when one experiences sexual arousal, hence helping to achieve and sustain a firm erection. When a man feels sexually arouse, his brain sends a signal to a muscle cell in his penis to relax. This speeds up the blood flow to the penis and produces an erection. An erectile dysfunction usually occurs when the process is disrupted.
How to take Viagra
You should always consult your doctor before taking Viagra. For maximum results take Viagra an hour before engaging in sexual activity on an empty stomach, taking Viagra on a full stomach with high fat content usually makes Viagra act slower.
Viagra effects can last for like four to five hours, therefore, you should take it only whenever you intend to engage in sexual activity. Avoid drinking alcohol while taking Viagra, this can make Viagra to be less effective and increases its side effects.
Dosage
Viagra is available in tablet form, they come in 25mg, 50mg, and 100mg.For erectile dysfunction, the recommended dose is 50mg taken 1 hour before sex. The dose can be lowered to 25 mg or adjusted upward to 100mg.
People over the age of 65 should start with a dose of 25mg.
Side effects
Like any other drug, Viagra can cause undesirable side effects. Its side effects may include Headache, indigestion, dizziness, photosensitivity, nose blockage, abnormal vision, back pain, rash and so on. You should stop taking Viagra and consult your doctor when you notice any of this side effects.
I am General practitioner (GP) in Melbourne since 2006.