Juvia Pharma Drug reference

A short educational article, not advice tailored to your own medicines. Read the disclaimer

Modafinil is Schedule IV

3 min readReviewed 31 October 2026. Updated
Controlled-substance caution tag beside a Provigil-style tablet

Key facts

US classSchedule IV
RashStop at first rash unless clearly not the drug
Steroidal pillsBackup during use and 1 month after
Pediatric ADHDNot an approved indication
Medically reviewed by Dr. Nora Lindqvist, MD, Clinical pharmacology Peer reviewed

Checked against the current FDA label, named clinical trials, and the sources listed on this site.

01Narcolepsy dosing

Provigil for narcolepsy starts at 200 mg taken once a day in the morning. The dose may be 400 mg based on individual efficacy and tolerability. A 100 mg tablet may be used when a lower dose is needed. In most patients the dosing frequency is once per day. Provigil may be taken with or without food.

Sources and how this letter was sealed

  1. FDA, Provigil US PI: C-IV; rash / SJS / TEN / DRESS; contraceptive backup; psychiatric reactions.

Method in brief: open primary sources, annotate against the current FDA label, countersign by Dr. Nora Lindqvist, MD, then seal with a dated review. Full walk-through on the method page and editorial standards.

How to cite this page - Vancouver style

Juvia Pharma Drug Reference. Modafinil is Schedule IV [Internet]. Stockholm: Juvia Pharma; 21 October 2026 [cited 2026 Aug 21]. Available from: https://juviapharma.com/postscripts/provigil-schedule-caveat/

Desk thread

Answers follow the U.S. Provigil prescribing information.

Nora-Lis Berg, Umea writes

What dose does narcolepsy start at?

Desk reply

Provigil for narcolepsy starts at 200 mg taken once a day in the morning. The dose may be 400 mg based on individual efficacy and tolerability. A 100 mg tablet may be used when a lower dose is needed. In most patients the dosing frequency is once per day. Provigil may be taken with or without food.

Petri Nieminen, Mikkeli writes

Can the daily dose go to 400 mg?

Desk reply

Provigil for narcolepsy starts at 200 mg taken once a day in the morning. The dose may be 400 mg based on individual efficacy and tolerability. A 100 mg tablet may be used when a lower dose is needed. In most patients the dosing frequency is once per day. Provigil may be taken with or without food.

Ane Kristoffersen, Bergen writes

How often is Provigil taken?

Desk reply

Provigil for narcolepsy starts at 200 mg taken once a day in the morning. The dose may be 400 mg based on individual efficacy and tolerability. A 100 mg tablet may be used when a lower dose is needed. In most patients the dosing frequency is once per day. Provigil may be taken with or without food.

Before you start, stop, or change any medicine mentioned above, run it past your prescriber or pharmacist - they hold your chart, this despatch does not. Desk notice.