Posts Tagged ‘cyclic GMP’
Viagra Review
Viagra is by far the best known brand name for the drug sildenafil citrate. It is manufactured and marketed by pharmaceutical giant Pfizer, and is also sold under the name Ravatio and Caverta in certain locations around the world. Viagra is for one reason and one reason only, to treat erectile dysfunction, or as it is commonly known, manufactures ED. It comes in the form of a blue pill in 25mg, 50mg, 100mg and dosages. Although it is available only by prescription from a doctor, you can actually buy Viagra on the internet, if you choose.
The drug Viagra was not even intended to treat, what is so famous for now, at first. It was conceived in the 1990s with the goal of treatment of a form of heart disease such as angina pectoris. It did not for the purpose it was intended work, but the researchers of the drug saw an interesting side effect of the drug in those to test. It consistently induced erections.
They had a gold mine on their hands and they knew it. It was patented in 1996 with the intention of the development for the treatment of ED. In 1998 passed the necessary tests for FDA approval and became public, where she was welcomed with open arms and open legs released.
Erectile dysfunction is a common condition in men, and is caused by several factors. Some of the most common causes of ED are psychological origins, and some are also based on the physical anomalies. The vast majority of men think that they have some problems or maintain an erection one time or another, although they are completely healthy.
These are the cases in which Viagra has proven very effective indeed. Some cases of ED can be due to nerve damage, diabetes, or hypogonadism caused ineffective, and in these cases Viagra. If a doctor you to effectively screen to see new officers of questions about whether it can help you pay
Viagra is classified as a PDE5 inhibitor. Pretty fancy name is not it? PDE5 causes a compound called cyclic GMP or cGMP to degrade. Since cGMP causes the relaxation of arterial smooth muscle in the penis, then the blood of an erect penis, which has become like an erection. Stop or limit the action of PDE5 will lead to an erection when the man has another whitewash. Some other PDE5 inhibitors available today, Levitra, Cialis. You have probably heard, because they advertise very aggressively for this lucrative market.
Viagra is not without side effects and some of them include headaches, indigestion, flushing and sweating. Viagra has been reported to also cause blurred vision in some cases and in some rare cases, actually reports of temporary blindness. Viagra should not be used in combination with drugs developed to treat angina pectoris can be taken, the combination results in a severe drop in blood pressure that can be very dangerous. Even if it’s on the Internet, it is always advisable to consult a qualified physician before taking any medicine, including Viagra.