The entry of Viagra in the market prompted other big-name companies to train their research on the same niche. Know about buying Viagra online without prescription as Viagra had paved the way for a billion-dollar drug industry, and so, other drug giants like Eli Lilly and Bayer Pharmaceuticals (in partnership with GSK) have both followed suit in the Erectile Dysfunction drug niche.

Other than alternatives for Viagra, there had also been a rise in the counterfeiting of Viagra itself. Buy Viagra UK - Pfizer, in this regard, has had to deal with the problem by taking legal action, because some customers who have received the fake versions of Viagra have taken ill, or the drug they were sent just did not take effect at all.

Viagra Alternatives:

Cialis, or Tadalafil from Eli Lilly, is better tolerated by the system, and requires only one-fifth the dose of a Viagra pill for it to take effect. Its side effects include only indigestion, headache, muscle aches, back pain, a stuffy/runny nose, and flushing. These symptoms can occur within 12 to 24 hours of taking the drug, and would usually disappear after 48 hours.

Vardenafil or Levitra from Bayer also needs just one-fifth the dose of Viagra for it to work, but it has the same amount and intensity of Viagra in terms of adverse effects. These effects include hypertension, tachycardia, palpitation, arthralgia, myalgia, back pain, abdominal pain, abnormal vision, photosensitivity and eye pain, facial edema, itches, rashes, and even priapism.

There was also a relatively older drug, Yohimbine, which was also used in erectile dysfunction. Like the others, Yohimbine acts to increase the likelihood of tumescence also. Just as its other alternatives, it also has a host of side effects, like allergic reactions, which could include the closing of one's throat, an irregular or very fast heartbeat, or confusion. These would require one to stop taking the drug. Minor effects, which would allow you to take the drug still, include anxiety/irritability/nervousness, tremors/shaking, headache, dizziness, and skin flushing.

Counterfeiting of Viagra:

Viagra, however, remains the more famous of these Erectile Dysfunction aids, and thus the market has seen a rise in the counterfeiting of this drug. Sildenafil Citrate, or the generic name of Viagra, has been marketed under the generic drugs category in several online stores. Look at where to buy Viagra - It is also being distributed by Pfizer for another function, to combat pulmonary arterial hypertension, under the name Revatio.

Because of the rise of drug counterfeiting, targeting the most profitable drugs like sleep aids, psychoactive drugs, and erectile dysfunction remedies is the norm for the unscrupulous outfits who engage in these dealings. From online-based businesses to brick-and-mortar drugstores, the FDA has had to deal with drug counterfeiting extensively, and part of their headache is due to counterfeited versions of Viagra. The counterfeited Viagra has these characteristics:

• Viagra tablets bear the lot number 3023803, the expiration date 1 MAR 06.
• the debossing font is different
• the tablet edges are more pronounced
• The blue film coat is lighter.

The selection of which Erectile Dysfunction drug to use is governed by the same rule other drugs are chosen: which would you be able to tolerate more? Not all bodies are the same, so even if they had listed all these side effects, if your body can tolerate Viagra better than Cialis, then, by all means, go for Viagra. One thing that Viagra has an advantage over the others, though, is that since it comes from Pfizer; expect that the quality control is strict, and that Pfizer seeks to satisfy its customers. Buy Viagra 50mg - Make use of the Viagra website to gauge whether the Viagra you buy is genuine. There is also a list of certified Viagra dealers online, so you would be better assured of the quality of the drug you will be receiving.