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A Chinese man, who was arrested last July for selling fake Viagra, was sentenced two years in jail on April 17, 2008. The Chinese man Yu Bohuai was a general manager of a Shanghai chemical company. He was charged selling fake Viagra on the Internet since 2006.

Yu Bohuai sold 14,030 pieces fake tablets of the male impotence drug to clients abroad and in Shanghai in 2006 and 2007, and made a profit of over 60,000 yuan ($8,585).

Viagra is a drug used to treat male impotence and pulmonary arterial hypertension (PAH), marketed by the world’s largest drug maker pharmaceutical company Pfizer. It was initially studied for use in hypertension (high blood pressure) and angina pectoris.

Viagra was patented in 1996, approved it to treat impotence by the Food and Drug Administration on March 27, 1998
Its primary competitors on the market are tadalafil (Cialis), and vardenafil (Levitra).