Vigabatrin is a relatively new medication used in the treatment of epi
lepsia. The present report concerns the use of vigabatrin by a 19-year
-old woman. The patient manifested marked gingival overgrowth compatib
le clinically and histologically with the overgrowth induced by phenyt
oin, cyclosporine and calcium channel blockers. This is the Ist report
of vigabatrin-induced gingival overgrowth. Clinicians should be aware
of similar lesions in patients using new anticanvulsants.