A 35-year-old female asked:
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i’m on 100mg 2x daily of provigil for my ms fatigue. about how many hours would one 100mg tablet last? trying to figure out specific times to take

1 doctor answer
Dr. Robert Kohn
36 years experience Psychiatry
10-12 hours: Modafanil is usually effective for 10-12 hours. Treating fatigue is variable and the original indication was to treat sleepiness in patients with obstructive sleep apnea. An MS expert would have more experience to answer your question.
Answered on Nov 30, 2017
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