Prescription onlyLower-cost generic availableClass: Mental health



Prescription onlyLower-cost generic availableClass: Mental health
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Improves alertness.

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Our bottom line

Provigil (Modafinil) is effective in improving alertness, but it can interact with other medicines and shouldn't be used long-term.

Price and discounts
Best available price for 30 (200mg) tablets of modafinil


  • It's a non-amphetamine medicine that helps improve alertness.
  • Available in a generic version.
  • Effective in reducing excessive sleepiness in Shift-work Sleep Disorder.
  • Doesn't negatively affect daytime sleep.
People say this drug is:
28 reviews


  • Provigil (Modafinil) can be habit-forming, so it's typically not used for long-term treatment.
  • Interacts with many other medications.
  • Taking Provigil (Modafinil) will make hormonal birth control less effective. You should definitely use additional forms of non-hormonal contraception.
  • Not a good choice if you have liver or kidney problems.
How it works

Provigil (Modafinil) is a stimulant that helps you feel awake. Researchers don't know exactly how Provigil (Modafinil) works, but it probably affects chemicals (neurotransmitters) in the brain.

What to expect when you take Provigil (modafinil) for Narcolepsy

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Side effect rates for Provigil (modafinil)

1501 From clinical trials of Provigil / Excessive sleepiness
  • Headache
  • Nausea
  • Any side effect
  • Inflammation inside the nose
  • Nervousness
  • Back pain
  • Diarrhea
  • Dizziness
  • Sleep difficulty
  • Indigestion

Risks and Warnings for Provigil (modafinil)

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    • Higher risk if:
    • Taking with alcohol
    • Taking other medicines that make you less alert

    Provigil (Modafinil) lowers your ability to focus, think, and react. Be careful. Avoid activities that require you to be alert, such as driving a car or operating machinery, until you know how this medication affects you.

Common concerns from people taking Provigil (modafinil)

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  • Interacts with many other medications.
  • Don't drink alcohol with Provigil (Modafinil).
Kidneys and liver
  • Not a good choice if you have liver or kidney problems.
  • Provigil (Modafinil) is broken down by the kidney and liver. If you have kidney or liver problems, you may need to use a lower dose to prevent more side effects.
  • I have RLS, and helped me tremendously with sleepiness in the daytime. As long as I did not take after noon, had no problems sleeping. It is expensive and my inurance company just stopped paying for it. Just started ritalin today. Wish lu