Viagra, its active ingredient sildenafil, is a prescription drug for impotence treatment that has been manufactured by the pharmaceutical giant Pfizer. It has become the most popular treatment option for erectile dysfunction (ED) and is being used by millions of men all over the world for their impotence problem.

What is Viagra?

Viagra, today, is a name synonymous with impotence treatment. There are millions of men, for whom this ED medication has come as an answer to their fervent prayers. These were the men who didn’t want to discuss their condition with anybody, not even their partners. Their relationships took a hit in the process, and sexual activity became increasingly frustrating and after a time non-existent. 1998, was a watershed year for men, who suffered from ED. It was the year when Viagra was launched and changed their lives for the better.

The working of Viagra

The arteries in a man’s penis carry blood to the penile region. The flow of blood to the spongy tissues of the penis and its retention helps cause an erection. Many a times, you might be suffering from a health condition, which prevents the blood from reaching the penis. This can lead to difficulties in getting or maintaining an erection. The action of Viagra improves the blood flow to the penis. Its active ingredient sildenafil is a PDE5 inhibitor which works to improve the levels of cGMP in the penis. This relaxes the penile tissues and also dilates the blood vessels for improved blood flow. Thus, Viagra helps you experience harder and longer-lasting erections. The effect of Viagra lasts for around 4 hours in your body, but the medication can only work if and when you are sexually aroused.

Viagra dosages

Viagra has been effective in most men who experience ED; the medication is available in three strengths of 25mg, 50mg and 100mg. Doctors generally prescribe a 50mg dosage, but the dosage is also prescribed on the basis of the severity of the condition. There are cases wherein, a 50mg tablet might not work, so the doctors can increase the dose to 100mg. Men, over 65, or those men who are suffering from problems of the liver or kidney, are usually prescribed a 25mg dose of Viagra. This dose is also recommended if you are using protease inhibitors. After being prescribed a particular dosage of Viagra, if you are not happy with the results, you need to inform your doctor. It’s only your doctor who can decide whether your prescribed dosage needs to be adjusted or not.

Viagra – Availability

Viagra is easily available at all pharmacies. Because of its popularity, there are various nefarious pharmacies that are selling fake Viagra. You need to be able to distinguish the fake from the genuine. Viagra is a prescription pill, so before taking Viagra you should have a doctor’s prescription on hand. If you are buying Viagra online, it’s important that you buy from a reputed online source whose credentials can be checked. Buying the wrong product can put you in a bind, both legally and health wise. The intake of fake Viagra can pose a serious health risk.