Viagra spray may produce faster results

Impotent men may be able to cure their problem simply by inhaling a Viagra spray.

Pfizer, the United States-based company which makes the anti-impotence pills, is developing a new form of the drug, which hit the market more than a year ago.

President of the Pharmaceutical Society of Hong Kong Benjamin Kwong Yiu-sum said nasal inhalation drugs were more user-friendly because they were easily absorbed and used a lower dosage.

Viagra pills take an hour to work, but a spray might take only 15 to 30 mintues.

Angel Choi Lai-kei, a spokeswoman for Pfizer Hong Kong, said research was only in its preliminary stage.

'As a continuous research and development process, we have been developing different forms of drugs. Viagra is only one of them.