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Viagra is one of the highly controversial and widely discussed pharmaceutical drugs made available in the last 30 years. People generally buy Viagra online to treat erectile dysfunction that leads to impotence. The drug works by relaxing the walls of the blood vessels in certain parts of the body. Viagra has changed lives for the better in most cases. Sildenafil is the brand name of the drug and is taken to treat erectile dysfunction, as mentioned earlier, and pulmonary hypertension. The drug was originally developed by scientists in the UK and was brought onto the market by Pfizer Inc., a pharmaceutical company based in the U.S. and from where people actually started to buy Viagra online in the U.S. The drug is also sold under another brand name that is Revatio.

Can Viagra be considered to be safe?

We already told you that people buy Viagra online to treat the symptoms of erectile dysfunction and pulmonary hypertension. The drug is generally prescribed because it is considered to be safe for intake within prescribed limit. However, taking the drug may cause a range of adverse side effects.

The most common side effects of the drug are:-

  • Headache
  • Nasal congestion
  • Impaired vision
  • Photophobia, or sensitivity to light
  • Indigestion

 

Other more potent side effects of the drug include:-

  • Priapism, a painful, long-lasting erection
  • Heart attack
  • Suddenly unable to hear anything

Contraindications

Before you buy Viagra online in the U.S., make sure to remember that the drug is prescribed not to be taken by few people like:-

  • People who are advised to refrain themselves from indulging in sexual intercourse because of cardiovascular risk factors.
  • People whose liver and kidney are not functioning properly.
  • People who have had a heart attack or stroke very recently.

Dosage

If people buy Viagra from an online pharmacy, they are provided with a prescription along with the prescribed dose of the drug. This means they’ll get all the information you need to know about the drug in the prescription, including the quantity of the prescribed dose of the drug. However, what you must know is that the quantity of the prescribed dose of the drug will differ in case of erectile dysfunction and pulmonary hypertension, respectively. For erectile dysfunction, the drug comes in blue, diamond shaped-pills, in the quantity of 25,50, or 100mg. The person takes a maximum of one pill in a 24-hour period, 30 minutes to 1 hour before sexual intercourse. The demand for the drug is increasing day by day and so is the demand to buy Viagra online in the U.S. However, the drug won’t work if the person taking it has no symptoms of erectile dysfunction or pulmonary hypertension.

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