Cialis may rival Viagra as a treatment for erectile dysfunction

The launch of Viagra, the world's first treatment for impotency, was an instant success. Now, Eli Lilly and ICOS Corporation (Lilly Icos) have tapped into the vast demand for Viagra with a new drug called Cialis, Viagra's first direct competitor. There is more to come from a third drug called Levitra - a pharmaceutical industry partnership between Bayer and GlaxoSmithKline. 

The market for Cialis is huge - following the runaway success of Viagra. An estimated 30 million men in the US and 175 million worldwide suffer from erectile dysfunction, and only a fraction are currently using Viagra.

The current Viagra market of around $1.5bn a year could rise to total impotence drug sales of around $6bn over the next eight years, split between Viagra, Cialis, Levitra and other second-generation treatments.
As with Viagra, Cialis is likely to be used as a performance enhancer, rather than just as treatment for an ailment. All these impotence drugs block an enzyme called phosphodiesterase 5 (PDE-5), which relaxes smooth some kinds of muscle cells and allows increased blood flow into the penis.

Cialis has key advantages over Viagra and could develop blockbuster status. Cialis is available on prescription in the UK, Germany, Denmark, Finland, Sweden and Australia. Cialis has yet to be approved in the US.

Cialis can last for two days

Cialis starts working faster than Viagra, sometimes in 16 minutes, and lasts 24 hours or more. In contrast, Viagra usually works for only four hours after an hour's delay.

As with Viagra, 80% of men with erectile function are able to achieve an erection with Cialis use and three out of four are able to achieve sexual intercourse. But in one Cialis study, 59% of previously impotent men were still able to have sex 36 hours after taking it.

The reason is that the body takes four times as long to get rid of Cialis than to eliminate Viagra. The half-life of Viagra (time for blood levels to fall 50%) is 4 hours compared to 17 hours for Cialis. That means 25% of a Cialis dose is still present in the body after 35 hours, and 12.5% after more than 50 hours. It also means that Cialis will accumulate in the body if taken regularly.

Cialis can build up in the body

Someone using one Cialis tablet every two days will find Cialis levels go on rising to reach a steady state after about a week. On day 2, when taking a second tablet around 20% of the original tablet is still in the blood stream. On day 4, 22% of a single dose will still remain. On day 6 around 24% and so on. So someone who finds a single dose still has an effect after 36 hours could in theory find that a tablet every other day enables them to have sex whenever they wish without fear of failure - assuming reasonable intervals before doing so. 

Of course, other factors are important such as the possibility of more continuous or more serious side effects - after a single dose 14% experience headaches and 9% heartburn. Taking Cialis in such a way should not be considered by anyone under any circumstances without close medical supervision and advice.

In France, it has been dubbed 'Le Weekend' pill. Unlike Viagra, Cialis does not interact with food or alcohol - Viagra is best taken on an empty stomach. GlaxoSmithKline/Bayer's Levitra is expected to launch in 2003. Pfizer is trying to block US launches of Cialis and Levitra, but similar legal action in Europe failed on the grounds that the information to be patented was already in the public domain.

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Cialis, also popular as tadalafil, is quite a popular prescription drug online. There are numerous online pharmacies stocking and selling drugs of all types and almost every online pharmacy stocks and sells Cialis as well. As you must be aware by now that Cialis is an effective phosphodiesterase inhibitor that is used for treating male erectile dysfunction. This drug is available only in the form of tablets and has no other generic substitute and is manufactured by Lilly Icos.

In this global meltdown where every country’s economy is going through financial crunches, online pharmacies are gaining their popularity day by day. They are considered as to be great and safest place for getting all your prescription as well as non prescription medication at a great discount and at the convenience of your home.Cialis is among those popular prescriptions that are found online.

Purchasing Cialis drug online is quite easy; however, there are a few things that are to be considered before making its purchase through an online pharmacy. It is very essential that you purchase this medicine in its original form and not any of it fake substitute.

How to purchase Cialis online:
Find an online pharmacy that is reliable. It is better to be cautious of such online pharmacies, as there are chances of these stores to be legitimate. Either these pharmacies are selling fake capsules and pills or are throwing any capsule into pill bottles in order to make profits.
Be certain and make sure that the online pharmacy from where you are willing to make your purchase is approved by FDA. Once you are sure that the online pharmacy is trustworthy, go through their price list of the Cialis drug according to its dosage and quantity. Now, you will have to send your prescription to the pharmacy. You can either email them or even fax them. Once they receive your prescriptions, the pharmacy will verify it with your doctor and accordingly your order will be placed. The payment for your prescription drug is made by using credit card. Once everything is cleared, your drug will be shipped and it can take around one to six business days for the drug to reach your home.

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In all my years on this planet I never thought that I will come to this day, but I did, and as a 40 year old man I am kinda O.K with that, I mean what other option do you have, oh, you don’t know what I’m talking about, well of course, I am talking about the decision of what pill to take, Cialis or some other little blue pill. Let me tell you right now, it’s not an easy choice to make. Of course like all of us (the 40 year olds) I came back from work one day, and made a decision to look for more info on it online, from blogs (like this one) to all kinds of med sites (almost became a doctor from reading so much on it) and came to a decision to just go for it, lots of people that I know take it and not all of them said they needed it, some just wanted to enhance the feeling. Ordered a pack of Cialis 20mg online and waited for the next adventure that’s gonna come, if this Cialis will work for me, I don’t know yet, but I have a feeling things are going to rise soon.

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