Post-marketing drug surveillance (PMDS) is a system that allows consumers to report all effects and side effects of a medication after it has been released to the public. This allows health professionals to detect and prevent the dangers of negative drug reactions. In addition, PMDS could also increase the likelihood of finding new uses for existing drugs.
Unfortunately, PMDS is not mandatory, and physicians infrequently report side effects to monitoring agencies. Therefore, it is impossible to compile comprehensive data on the potential negative reactions to a drug. If PMDS was mandatory, valuable information about drugs could be gathered and processed much more quickly. Getting this information sooner would mean many more people spared from dangerous side effects, some of which have proven fatal.