antiepileptic drug

NOUN
18 LETTERS · STARTS WITH A

antiepileptic drug is a valid 18-letter word worth 25 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1N1T1I1E1P3I1L1E1P3T1I1C3D2R1U1G2
1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 3 + 0 + 2 + 1 + 1 + 2 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does antiepileptic drug mean?