Viagra Guide

Viagra is a prescription medication that is destined to treat erectile dysfunction (or ED). Such problems are known to appear because of psychological disorders or physical inconsistency of the elderly organism to perform all its functions in a proper way. Citric oxide is responsible for the high quality erection because it enhances the blood flow to the extremities and penis. Viagra chemicals possess the qualities of a driver that urges the process of blood flow to the penis. Though, Viagra was not initially destined to treat ED.

At the beginning Viagra was meant for treating some cardiac diseases but having a very strange side effect it was later regarded as the drug that assures the best qualities of sexual performance. Viagra side effects are numerous: back and eye pains, nausea, indigestion, itch, flushing, runny nose. That is why it is necessary to get the Viagra prescription from the doctor.

People who have some kinds of diseases have to treat Viagra with care, because Viagra has a lot of contra-indications: cardiovascular risk factors, decreased liver function, severe impairment in renal function, low blood pressure, recent heart attacks, etc. It is necessary as well to consider the time of taking Viagra. It is better to do it after a meal but it is advisable that the meal should not be too fat otherwise the action of the drug will be postponed. Usually it takes the pill 30 minutes to get the penis erect.

There are, though, Viagra soft pills which are uncoated and there is no need to swallow them - pills melt in the mouth and get directly to the blood without getting to the digestive system. Consequently it takes less time to start acting. Usually the half-life of the Viagra pill is 4 hours.

Still thee are Viagra successors which still overperform their prototype in several issues. Cialis and Levitra were surely ameliorated variants of Viagra taking more time to start but performing for long hours (Cialis up to 100 hours).

Undoubtedly the result of the performance depends on the dosage. Still, Viagra dosage has to be prescribed by the doctor because the patient himself may underestimate the abilities of his own organism and take too much or vice versa.

Since Viagra is a prescriptional drug, there are all the indications to first consult a doctor and only then, with doctor's allowance, to take the drug. Sometimes it is unnecessary to take it: if the problem is psychological it is better to work on it with the professional.

Once the doctor has prescribed the drug, it is to be decided where to buy Viagra. Of course, offline pharmacies offer Viagra and its substitutes. But the prices are high. Another variant is to resort to the help of online stores and buy Viagra online. Online pharmacies offer the service of counseling for the doctor to consider all the pros and cons of taking Viagra and subscribe the necessary dosage.