Erectile dysfunction is one of the most common sexual problems found to be affecting men. Usually, Erectile Problems occur in men at least once in their lifetime and are temporary in nature. But many men suffer from erectile problems for a prolonged period of time. At such a time, it is advisable for such men to consult their doctor and seek medical assistance. Viagra has proven to be one of the best impotence treatments and has helped millions of men in treating their erectile problems. Pfizer had initially introduced Viagra as a treatment for men suffering from blood pressure problems. But during the clinical trials, they observed that men with erectile problems benefitted with this pill. It helped them improve their erectile problems, and so it was introduced as a prescription treatment for erectile dysfunction.

What is Viagra and how do you take it?

Viagra consists of sildenafil citrate as its active ingredient, which works by relaxing the muscles of Corpora Cavernosa in your penis. When the muscles in your corpora cavernosa relax, it allows Increased Blood Flow in the penis, which in turn results in the expansion of your penis. With the increased blood flow in your penis, you can experience better erections than before. You can buy Viagra in the dosage strengths of 25 mg, 50 mg and 100 mg. You are prescribed a dosage according to the severity of your condition. If you are suffering from erectile problems as a side effect of some medication, you are likely to be prescribed a 25 mg Viagra dosage. Under normal circumstances, that is if you are suffering from erectile problems because of physical or psychological factors, you are most likely to be prescribed a 50 mg dosage.

If you keep having erectile problems in spite of taking a 50 mg Viagra dosage, the doctor can increase the dosage to 100 mg. You need to take one Viagra pill approximately 30 to 60 minutes before you engage in a sexual act. You can experience the effects of this pill for up to 4 hours after taking the pill. On taking the pill, you can have better erections, and will also be able to maintain erections long enough for a satisfactory sexual intercourse. With the help of its active ingredient sildenafil citrate, Viagra works by relaxing the muscles of corpora cavernosa. With the muscles of corpora cavernosa relaxed, the blood flow in your penis increases, which allows your penis to expand, in turn resulting in better erections. You should not take more than one pill within a span of 24 hours as it can lead to severe Side Effects of the pill.

What are the precautions to be taken and the side effects of Viagra?

While taking this sildenafil citrate tablet, you should take certain precautions so as to avoid suffering from the side effects of the pill. Men who are having a history of heart attack or a stroke, or are suffering from health conditions such as diabetes, high blood pressure, low blood pressure, severe liver dysfunction, kidney dysfunction, multiple myeloma, sickle cell anaemia and leukaemia, should not buy Viagra. The side effects that you can suffer as a result of taking Viagra can include headaches, stomach upset, memory problems, sudden loss of vision, sudden loss of hearing, change in your vision, facial flushing, nasal congestion, back pain, diarrhoea and dizziness.