Drugs >  Modafinil
Modafinil
Pronunciation
Brand Names
Therapeutic Categories
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(moe DAF i nil)

Brand Names
Provigil®

Therapeutic Categories
Stimulant

Reasons not to take this medicine
  • Do not give this medicine to a child younger than 16 years of age.
  • If you have an allergy to modafinil or any other part of this medicine.
  • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
  • If you have any of the following conditions: Chest pain or pressure, heart attack, mitral valve prolapse, or thickening of the left side of your heart.

  • What is this medicine used for?
  • This medicine is used to treat narcolepsy.

  • How does it work?
  • Modafinil stimulates the brain in adults to increase alertness.

  • How is it best taken?
  • Take this medicine in the morning if taking once a day. Take in the morning and at noon if taking twice a day.
  • Take this medicine with or without food. Take with food if it causes an upset stomach.

  • What do I do if I miss a dose?
  • Take a missed dose as soon as possible.
  • If it is near bedtime, skip the missed dose and return to your regular schedule.
  • Do not take a double dose or extra doses.
  • Do not change dose or stop medicine. Talk with healthcare provider.

  • What are the precautions when taking this medicine?
  • This medicine may be habit-forming with long-term use.
  • If you abuse drugs, talk with healthcare provider.
  • If you have kidney disease, talk with healthcare provider.
  • If you have liver disease, talk with healthcare provider.
  • If you have mental illness, talk with healthcare provider.
  • Check medicines with healthcare provider. This medicine may not mix well with other medicines.
  • You may not be alert. Avoid driving, doing other tasks or activities until you see how this medicine affects you.
  • Limit caffeine (for example, tea, coffee, cola) and chocolate intake. Use with this medicine may cause nervousness, shakiness, and fast heartbeat.
  • Tell healthcare provider if you are pregnant or plan on getting pregnant.
  • Birth control pills and other hormone-based birth control may not work to prevent pregnancy. Use another form of birth control while taking this medicine and for 1 month after treatment ends.
  • Tell healthcare provider if you are breast-feeding.

  • What are the common side effects of this medicine?
  • Feeling lightheaded, sleepy, having blurred vision, or a change in thinking clearly. Avoid driving, doing other tasks or activities that require you to be alert or have clear vision until you see how this medicine affects you.
  • Nervous and excitable.
  • Headache. Mild pain medicine may help.
  • Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard candy, or chewing gum may help.
  • Inability to sleep.

  • What should I monitor?
  • Change in condition being treated. Is it better, worse, or about the same?
  • Follow up with healthcare provider.

  • Reasons to call healthcare provider immediately
  • If you suspect an overdose, call your local poison control center immediately or dial 911.
  • Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
  • Chest pain or pressure or fast heartbeat.
  • Severe dizziness or passing out.
  • Significant change in thinking clearly and logically.
  • Very nervous and excitable.
  • Severe headache.
  • Any rash.
  • No improvement in condition or feeling worse.

  • How should I store this medicine?
  • Store at room temperature.
  • Protect from moisture. Do not store in a bathroom or kitchen.

  • General statements
  • Do not share your medicine with others and do not take anyone else's medicine.
  • Keep all medicine out of the reach of children and pets.
  • Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

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