Search Holisticonline
Grandmas Remedies
Quality vitamins,  natural remedies
Big savings on gemstones, jewelry and gifts.
Alternative Medicine

Stress Management

Conditions/ Treatments
Preferred Providers
Holistic Living
Alternative Therapies
Chelation Therapy
Herbal Medicine
Humor Therapy
Light Therapy
Prayer/ Spiritual
FAQ (Health)
 Sleep  Holistic-online.com

Medication Information

Modafinil (Provigil, Cephalon) 


Treatment to help people who have narcolepsy to stay awake during the day. It does not cure narcolepsy. 


For Narcolepsy:
Common initial dose - 100 to 200 mg daily 
Usual maximal dose (carefully monitored higher doses may sometimes be required) - 400 mg once daily or 200 mg am and noon 

Symptoms of overdose:  Symptoms include agitation, increased blood pressure, increased heart rate and insomnia.

Overdose is unlikely to threaten life. If overdose is suspected, call doctor, poison control center or hospital emergency room for instructions. 

What drug does: 
Stimulates the central nervous system. GABA antagonism as well as low-affinity dopamine transport has been shown.

Side effects:  
Usually none to minimal.

Symptoms What to do in case of side reactions
Common Side Effects: 
Anxiety, headache, nausea, nervousness, trouble sleeping.
Continue taking medication. Call doctor when convenient. 
Vision changes, chills or fever, confusion, dizziness, fainting, increased thirst or urination, depression, memory or mood changes, shortness of breath, trouble in urinating, uncontrolled face, mouth and tongue movements. 
Continue taking medication. Call doctor right away.
Appetite changes, diarrhea, mouth dryness, skin dryness, skin flushing, muscle stiffness, stuffy or runny nose, skin tingling, trembling or shaking, vomiting. Continue taking medication. Call doctor when convenient. 

Adverse reactions and side effects may be more frequent and severe in people over 60 than in younger persons. 

Warnings & Precautions 
Don't take modafinil if:

You are allergic to modafinil or any other central nervous system stimulants. 

Before you start, consult your doctor:

bulletIf you have heart disease or have had a heart attack.
bulletIf you have had high blood pressure.
bulletIf you have had liver or kidney disease.
bulletIf you have a history of severe mental illness. 

Prolonged use: 

Prolonged use may lead to physical or mental dependence. Consult your doctor if any of the following signs of dependence occur:

bulletA strong desire to continue taking this medication.
bulletA need to increase the dose to receive the effects of the medicine.
bulletWithdrawal side effects when you stop taking the medicine.

Miscellaneous Comments

If you are using a birth control method, such as pills or implants, they may not be as effective while taking modafinil and for up to one month after stopping modafinil.

Modafilnil may affect the results in some medical tests.


Possible Interaction With Other Drugs 
Generic Name Or Drug Class  Combined Effect 
Antidepressants, tricyclic Increased effect of antidepressant
CNS stimulants Increased effect of stimulants
Diazepam Decreased diazepam effect
Enzyme inducers Decreased modafinil effect
Enzyme inhibitors Increased modafinil effect
MAO Inhibitors Unknown effect
Mephenytoin Mephenytoin dose may need adjustment
Steroidal contraceptives Decreased contraceptive effect
Theophylline Decreased theophylline effect
Warfarin Increased warfarin effect
Possible Interaction With Other Substances 
Interacts With Combined Effect 
Alcohol Effects unknown. Avoid.
Beverages None expected. 
Cocaine Effects unknown. Avoid. 
Foods None expected. 
Marijuana Effects unknown. Avoid. 
Tobacco Interferes with absorption. Avoid.

Next Topic:

[Sleep Home][Diseases and Remedies][Holisticonline.com Home]

Holisticonline.com is developed and maintained by ICBS, Inc.
Send mail to: info@holisticonline.com with comments about this web site.
Copyright 1998-2007 ICBS, Inc. Terms of Use
All Rights Reserved.