“…There are an assortment of medications that have been reported to affect the size of the gingival tissues. 68 In the literature, the drugs primarily associated with gingival tissue enlargement have included the antiepileptic drugs phenytoin and sodium valproate, certain calcium channel-blocking drugs (e.g., nifedipine, verapamil, diltiazem, amlodipine, felodipine), immunoregulating drugs (e.g., ciclosporine), and high-dose oral contraceptives. [69][70][71] For drug-influenced gingival conditions, plaque bacteria in conjunction with the drug are necessary to produce a gingival response.…”