Up to 48.3 million cold pills were stolen from hospitals in Thailand in 2011, according to a media report. The cold pills are believed to have been stolen in order to used in the production of methamphetamine.
Law enforcement in Thailand report that a single cold pill is able to make up to 4 methamphetamine tablets. Each meth tablet is then sold on the black market for $6.
Source: Richard S. Ehrlich, “Massive Drug Smuggling in Thailand,” Asia Sentinel, May 4, 2012.