Viagra (Sildenafil) online Australia – Treatments for Erectile Dysfunction, Obesity and Male Pattern Baldness available. Great choice, convenient packaging

If you decide to start the treatment with Viagra it is always necessary to consult your doctor. If you buy your Viagra online without prescription, you should know all the information about this drug to use it safely, especially if you take it for the first time. Still if you have other serious heart conditions, liver or kidney impairment or a certain cardiovascular status, you need a doctor’s consultation before using Viagra pills.

Viagra may cause allergic reactions in very rare cases. If you think that any Viagra component will cause allergy in you, do not take it.

Never take Viagra with drugs for lowering blood pressure and nitrates. You may experience a serious side effect of both medications- a significant decrease in blood pressure.

In case you suffer from any health condition from the list below, inform your doctor before using Viagra:

·         Heart rhythm abnormalities;

·         A history of congestive heart failure;

·         Uncontrolled hypertension and hypotension;

·         Coronary artery disease;

·         Stomach ulcers;

·         Any bleeding disorder;

·         Retinitis pigmentosa;

·         Any blood cell disorder;

·         Physical deformities of the penis caused by trauma or congenital deformity;

·         Other conditions.

It is urgent to tell your doctor if you take other medications on a regular basis, they may interact with Viagra, increasing or decreasing its effects or the concomitant usage of Viagra and other medication may lead to serious side effects.

Clinical studies have shown that Sildenafil citrate is quickly absorbed in the body with max noted plasma levels concentration within 30 minutes to 2 hours after oral administration. The median plasma concentration is reached in 60 minutes, so the medication is recommended to use 30-60 minutes before sexual activity.

High fat meals reduce the rate of Viagra absorption, the delay may be up to 60 minutes with a mean decrease in Cmax of 29%.

Sildenafil mean Vss steady state volume of distribution to the tissues is 105 L.

Sildenafil is metabolized to N-desmethyl – its major circulating metabolite. Both Sildenafil and N-desmethyl are bound to plasma proteins up to  96%. The studies have demonstrated that protein binding level does not depend on the drug concentration.

Special measurements of Sildenafil in semen were made in research participants. It was noted that less than 0.001% of Sildenafil appeared in the semen after 1.5 hours after dose.

Sildenafil citrate when administered orally is absorbed very fast in the human organism. The bioavailability ranges from 25 to 63% and is approximately 41%.

The effects of the drug are dose-proportional, so it is highly recommended to use your dose of the medication and never exceed the 100 mg dose once a day.

The elimination of the medication occurs in the liver where it is transformed to the active metabolite similar to Sildenafil in properties. Sildenafil and its main metabolite have completive half life of 4 hours.

Increased plasma levels of Sildenafil may appear in case the medication is taken with P450 3A4 inhibitors including ketoconazole, itraconazole, erythromycin and others.

Viagra is a PDE5 inhibitor indicated for erectile dysfunction in men, it is a prescription medication, but the majority of men purchase it without prescription. Viagra has become a number one oral ED medication in the United States, Europe, New Zealand and Australia as it is highly advertised and popular among doctors and patients.

Viagra facts may be interesting for those who have an intention to buy it and those who have already used it.

Viagra is a brand name of the chemical substance Sildenafil citrate which was patented in 1996 by Pfizer.

Sildenafil was initially tested as a hypertension and angina therapy, but the researchers noted its beneficial results in test participants with impotence.

Sildenafil has become the first oral drug licensed and advised by FDA as erectile dysfunction therapy in the US in 1998.

The period of Viagra marketing 1999-2001 brought Pfizer more than $1 billion.

Politicians and celebrities show their satisfaction of Viagra publicly. Viagra has appeared in several movies as an everyday accessory of the character.

Doctors and sex experts are concerned by large recreational usage of Viagra by people of both genders.

According to the statistics 92% of sales of all prescribed oral medications for ED owned by brand Viagra in 2000.

The end of Pfizer’s patent for Sildenafil in the US falls on 2012.

The mechanism of erection requires the local release of nitric oxide in the corpus cavernosum with sexual stimulation. Nitric oxide stimulates the production of enzyme guanylate cyclase and cyclic guanosine monophosphate or cGMP which provides loosening of smooth muscles in the corpus cavernosum. This promotes improved blood flow to the penis and penile region. Sildenafil by itself does not provide relaxant effects on corpus cavernosum, but it contributes to the relaxation by enhancing the nitric oxide effect. Sildenafil restricts phosphodiesterase type 5 known for its properties to lower cGMP in the corpus cavernosum.

With sexual stimulation Sildenafil is proper doses provides a natural penile erection. Sildenafil works selectively for PDE 5 which is found in different organs of the human body.

Viagra medication is one of the best revolutionary tools for the treatment of most unpleasant condition in men – erectile dysfunction or impotence. This medication has been improving sexual disorders since its approval for the treatment of ED in men in 1998. For many men this medication has become everyday accessory which they can fully trust.

Viagra – Sildenafil citrate is a vasodilating agent, a phosphodiesterase type 5 (PDE 5) inhibitor working by muscle relaxation and improving blood flow into the penis. It is clinically proven that men with certain health disorders causing ED benefit from using Sildenafil.

Viagra is recommended by most experts in sexual health and offered as first-line treatment for Erectile Dysfunction except when Viagra is contraindicated.