Erectile dysfunction, which is commonly known as impotence, is a condition which affects men of all ages. It is usually a temporary problem, which at times can be experienced by men for a prolonged period of time, which then needs medical attention. It is a condition, in which a man has difficulties with achieving or maintaining erections long enough to enjoy a satisfactory sexual intercourse. A man can have Erectile Problems because of physical factors such as diabetes, smoking, high Blood Pressure or injury to your spinal cord. You can even have erectile problems because of psychological factors such as stress, guilt, depression, anxiety, unresolved issues pertaining sexual orientation, sexual boredom and conflicts with your partner.

What is Viagra?

Most men, who are suffering from erectile problems because of physical factors, are prescribed Viagra by the doctors. This pill was introduced by Pfizer in 1998 quite accidentally. It was initially to be introduced as a treatment for men suffering from blood pressure problems. Later on, during the clinical trials of the pill, it was observed that this pill helped men with erectile problems. It was then that the pill was introduced as a treatment for erectile dysfunction. Viagra was the first drug to be introduced as an erectile dysfunction treatment. It consists of sildenafil citrate as its active ingredient, which increases the blood flow in your penis to allow you to have better erections. You are required to take one Viagra dosage before you engage in a sexual act, and can experience its effects for up to 4 hours.

What are the precautions you need to take?

Men can buy Viagra if they are 18 years old or above, but certain precautions are necessary. Men who are suffering from certain medical conditions should inform their doctors or try to avoid the pill. Men, who have a history of a heart attack, priapism or stroke, should try to avoid taking this pill as they can suffer from severe Side Effects. Even men who are suffering from health conditions such as diabetes, high blood pressure, low blood pressure, leukaemia, multiple myeloma, retinitis pigmentosa, sickle cell anaemia and Peyronie's disease should also avoid taking Viagra. If you have erections for more than four hours, you should immediately contact your doctor for further medical assistance. You should also avoid excess consumption of alcohol, grapefruit or its juice as these can aggravate the side effects of the pill.

What are the side effects of Viagra?

Many men have been observed to be suffering from certain side effects of the pill. Some of the Common Side Effects experienced by men include headaches, diarrhoea, dizziness, unexplained rashes, indigestion, nasal congestion, urinary tract infections, problems with your vision, facial flushing, back pain and joint pain. Some of the less common side effects of this Sildenafil Citrate Tablet include migraines, allergic reactions, vomiting, dry mouth, gout, anaemia, arthritis, depression, seizures, anxiety, sudden loss of hearing, fainting, priapism, insomnia, asthma, cataracts and urinary incontinence. While some of the rare side effects of this sildenafil citrate tablet include heart attacks, stroke, sudden death, high blood pressure and bleeding in the lungs.