Modafinil is used to treat narcolepsy and other sleep disorders.
Take modafinil as directed with a glass of water. Take modafinil in the morning, or in the morning and at noon if you are taking it twice a day, so you can sleep at night.
Take the missed dose as soon as possible. If it is close to the time for your next dose, skip the missed dose and carry on as normal. Do not take two doses at the same time. Do not take close to bedtime.
Some medicines available without a prescription may react with modafinil including:
Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.
|Side Effects||Recommended action|
Fast or irregular heartbeat, chest pain
Symptoms of allergy including: skin rash, itching, swelling, trouble breathing
|Tell your doctor immediately|
Anxiety, agitation, unusual behaviour or thinking, low mood, confusion
Changes in vision
Strange or uncontrolled movements
|Tell your doctor|
Trouble sleeping, headache
Chills, sweating, tingling or numbness
Loss of appetite, dry mouth, stomach upset
|Tell your doctor if troublesome|
If you notice any other effects, discuss them with your doctor or pharmacist.
This leaflet contains important, but not all, information about this medicine.
Prepared by the PILs Committee at Christchurch Hospital, Canterbury District Health Board, New Zealand. January 2020
For more general information about this sheet annd its contents, see: What does a My Medicines sheet cover?
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My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.
For more information about the sheets, see: What does a My Medicines sheet cover?
My Medicines is developed by a team at the Canterbury District Health Board. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed