Vigabatrin is a racemic mixture of two enantiomers, S(+) and R(-), with the S(+) being the active compound. Vigabatrin's antiseizure effect is believed to be the result of its action as an ...

“The overwhelming consensus was that R-fluoxetine was going to be a safe and effective new antidepressant.” But it is not unusual for enantiomers to exhibit more side effects than their racemate ...