Herbal substitutes for Viagra can be harmful to some

LOS ANGELES – Many of the pills marketed as safe herbal alternatives to Viagra and other prescription sex medications pose a hidden danger: For men on common heart and blood-pressure drugs, popping one could lead to a stroke, or even death.

“All-natural” products with names such as Stamina-RX and Vigor-25 promise an apothecary’s delight of rare Asian ingredients, but many work because they contain unregulated versions of the very pharmaceuticals they are supposed to replace.
That dirty secret represents a special danger for the millions of men who take nitrates prescribed to lower blood pressure and regulate heart disease. When mixed, nitrates and impotency pharmaceuticals can slow blood flow catastrophically, leading to a heart attack or stroke.

An Associated Press investigation shows that spiked herbal impotency pills are emerging as a major public health concern that officials haven’t figured out how to track, much less tame.
Emergency rooms and poison control hot lines are starting to log more incidents of the long-ignored phenomenon. Sales of “natural sexual enhancers” are booming, climbing to nearly $400 million last year. And dangerous knockoffs abound.
At greatest risk are the estimated 5.5 million American men who take nitrates — generally older and more likely to need help with erectile dysfunction.

The all-natural message can be appealing to such men, warned by their doctors and ubiquitous TV commercials not to take Viagra, Cialis or Levitra.
James Neal-Kababick, director of Oregon-based Flora Research Laboratories, said about 90 percent of the hundreds of samples he has analyzed contained forms of patented pharmaceuticals, some with doses more than twice that of prescription erectile dysfunction medicine. Other testers report similar results, particularly among pills that promise immediate results.
While no deaths have been reported, the AP found records of emergency room visits attributed to all-natural sex pills in Georgia, Chicago, Philadelphia, San Diego and elsewhere.

Mark B. Mycyk, a Chicago emergency room doctor who directs Northwestern University’s clinical toxicology research program, said he is seeing increasing numbers of patients who unwittingly took prescription-strength doses of the alternatives, a trend he attributes to the ease of purchase on the Internet and the desperation of vulnerable men.
Some herbal labels warn off users with heart or blood-pressure problems if they have taken their medicine within six hours; some doctors say 24 hours or more would be safer.

Some legitimate herbal mixtures claim to work gradually over weeks; it’s the herbals marketed for immediate trysts that often are the problem.
Tight budgets, weak regulations and other priorities limit the FDA’s ability to police the products, often promoted via blasts of e-mail spam and fly-by-night Web sites.
“The Internet poses many enforcement challenges,” said Dr. Linda Silvers, who leads an FDA team that targets fraudulent health products sold online. “A Web site can look sophisticated and legitimate but actually be an illegal operation.”

Pills like Cialis generally retail at pharmacies for $13 to $20, while herbals can cost less than $1 and up to about $5.
Spiked pills have turned up in Thailand, Taiwan, Canada, Australia, New Zealand, Hong Kong, Malaysia, the United Kingdom and the United States, according to testing done by Pfizer, the New York-based pharmaceutical giant that developed Viagra. The company said 69 percent of 3,400 supplements it purchased in China contained sildenafil citrate, the main ingredient in Viagra. Pfizer didn’t check for the patented ingredients of its rivals.

Source: http://www.indystar.com/apps/pbcs.dll/article?AID=/20071123/NATIONWORLD/711230429/-1/LOCAL17

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November 23, 2007 | Filed Under Viagra Online

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Herbal substitutes for Viagra can be harmful to some

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