Viagra is a medication that is available for purchase with a prescription. It is fairly easy to obtain a prescription in various parts of the world. It can be purchased via the pharmacy or online in some cases. Viagra itself is a pill for men. It is used in patients who cannot achieve an erection for various reasons. Lots of different reasons can affect why a man may be unable to achieve an erection. Some of them are physical and some of them are mental or emotional.

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The generic name of Viagra is Sildenafil. Viagra works by relaxing the muscles around and in the penis to allow more blood flow thus allowing for an erection. This medication can be used by a lot of different people who need help with this for various reasons.
If you are taking nitroglycerin for heart problems or for chest pains then you shouldn’t take Viagra. The combination of these two pills can result in a sudden decrease in blood pressure which is dangerous for the human body.

Priapism

Another condition that can happen while taking Viagra is called Priapism. Priapism is an erection that lasts longer than 4 hours. This is dangerous for the human body and if you think that you are suffering from Priapism due to Viagra, then you should consult your doctor. They will most likely need to use a large bore needle to drain the excess blood from the penis.

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There are also different pills than Viagra that support the ability to maintain and achieve an erection. Some of the other options are Cialis and Levitra. You should speak with your doctor about getting a prescription to Viagra and if you are even healthy enough to take Viagra in the first place. Some people have pre-existing conditions or other reasons why they will be unable to take Viagra and it would be irresponsible to take it unless you are healthy and cleared by a doctor.

Some pre-existing or contradicting conditions that would stop you from taking Viagra are the following:
• Stomach ulcer
• heart disease or heart rhythm problems, coronary artery disease;
• a heart attack, stroke, or congestive heart failure
• a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia
• a bleeding disorder such as hemophilia
• liver or kidney disease
• retinitis pigmentosa (an inherited condition of the eye)
• a physical deformity of the penis (such as Peyronie’s disease); or
• high or low blood pressure
• if you have been told you should not have sexual intercourse for health reasons

Taking Viagra with one of the above conditions is not recommended and you could seriously hurt yourself or create a situation of mortality for yourself. This is why it is important to speak to a doctor before taking Viagra. Also, Viagra is only available for use by those who are over the age of 18.
Viagra is to be taken as needed. It can be taken 30 minutes to 1 hour before sexual activity. Please do not take Viagra more than once a day.

Viagra may also be effective in treating pulmonary hypertension which is a type of high blood pressure that can affect arteries in the heart and in the lungs. Please speak to your doctor about how Viagra can help you.