Modafinil is the medication listed that is NOT FDA approved to treat Restless Leg Syndrome, while Ropinirole, Pramipexole, and Gabapentin enacarbil are approved treatments. RLS is primarily managed with these approved medications, while Modafinil is used for other sleep disorders. ;
The medication that is NOT FDA approved to treat Restless Leg Syndrome is Modafinil. Ropinirole, Pramipexole, and Gabapentin enacarbil are all FDA approved for this condition. Therefore, the correct answer is option B (Modafinil).
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