<prompt> All of the following can cause Optic Neuritis,except -RifampicinDigoxinChloroquineEthambutol  <response>: Important drugs causing optic neuritis are quinine, chloroquine, ethambutal, isoniazidINH, Streptomycin, Digoxin, Amiodarone, NSAIDs aspirin, indomethacin, phenylbutazone, ibuprofen, vigabatrine, disulfiram. 