Viagra is a medicine that can be prescribed to men to deal with the condition known as erection dysfunction. Before a doctor will prescribe Viagra he’s going to discuss with your general health and look into your well-being history. He will do this to endure you are healthy enough to get involved in sexual activity. He’ll also look at what drugs you could be taking currently. This is because Viagra has been known to interact with some medicines. If you take any medicines that have nitrates in them, for example nitroglycerin for chest pain, you will not be prescribed Viagra.

Once your physician has examined you, and has agreed to prescribe this medicine, he’s going to look at the correct dose. This may be based upon your age and medical history. For example, if you are older than age 65, or have serious liver or kidney Problems, your health practitioner may start you at the lowest dose of Viagra, this is 25mg. If you are taking protease restrictors, such as for the treating of HIV, your GP may endorse a 25-mg dose and may constrain you to a maximum single dose of twenty-five mg in a forty eight hour period.

As with most medicines, there can be some side-effects with taking Viagra. As an example, in rare examples men taking PDE5 restrictors, such as Viagra, have reported a sudden decrease or loss of vision. If you experience sudden lower or loss of vision, stop taking the Viagra and seek medical advice immediately.

The most common side effects of Viagra though are headaches, facial flushing, and upset stomach.

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