It is used for treatment of narcolepsy, shift work sleep disorder, andexcessive daytime sleepiness associated with obstructive sleep apnea.

Provigil (Modafinil) reduces extreme sleepiness due to narcolepsy and other sleep disorders, such as periods of stopped breathing during sleep (obstructive sleep apnea). It is also used to help you stay awake during work hours if you have a work schedule that keeps you from having a normal sleep routine (shift work sleep disorder).

Brand name:Provigil

Active Ingeridents:Modafinil

Company Name:Cephalon

Package:100 Tabs/ Bottle

Strength :200mg

Mechanism of action:

Provigil (Modafinil) is an oral drug that is used for improving wakefulness in patients with excessive sleepiness. It is similar to as ike amphetamines,Provigil (Modafinil) promotes wakefulness by stimulating the brain. The exact mechanism of action of Provigil (Modafinil) is unknown. It may work by increasing the amount of dopamine (a chemical neurotransmitter that nerves use to communicate with each other) in the brain by reducing the reuptake of dopamine into nerves.Provigil (Modafinil) was approved by the FDA in December 1998.

Dosage and Administration:

The recommended dosage is 100 to 200mg once daily. It comes as a tablet to take by mouth, with or without food.

Side effects:

Tell your doctor right away if you have any serious side effects, including: fast/pounding/irregular heartbeat, mental/mood changes (such as agitation, confusion, depression, hallucinations).


This drug should be stored at 20 to 25 degrees Celsius (68 to 77 Fahrenheit).


Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (such as enlarged heart, mitral valve problem, chest pain,heart attack, irregular heartbeat), heart problems after taking stimulant drugs such asamphetamines (including chest pain, irregular heartbeat), high blood pressure, liverproblems, mental/mood disorders (such as depression, mania, psychosis), personal or family history of regular use/abuse of drugs/alcohol.


Provigil (Modafinil) is a prescription drug and should be used under proper medical guidance and advice. The information provided here is for general educational purposes only and does not constitute medical or pharmaceutical advice which should be sought from qualified medical and pharmaceutical advisers.