A cream allowing erectile dysfunction drugs to be applied directly to the skin could one day make them safer to use, say New York scientists.Studies in rats suggest that Viagra, Levitra and Cialis could pass through the skin in tiny capsules, they say.
The research, published in the Journal of Sexual Medicine, could mean fewer side-effects, and even significantly speed up the drug's action.
However, it could be a decade before creams are fully ready for use.
The arrival of erectile dysfunction treatments in tablet form has been one of the success stories of the modern pharmaceutical industry, with some estimates suggesting that tens of millions of men worldwide have used them.
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