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Modafinil

Modafinil

Modafinil belongs to the group of medicines known as central nervous system (CNS) stimulants. It prevents sleepiness by stimulating certain parts of the brain.

Available form

Tablet

Dosage

100mg

Manufacturers

Apotex, Auro Pharma, Jamp Pharma Corporation, Marcan Pharmaceuticals, Sanis Health, Teva

Branded drugs

Alertec

Buy Modafinil Full drug details

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Modafinil information

Dosage

Side Effects

Available Form

Contraindications

Precautions

Warnings

Directions of use

The recommended adult dose of modafinil for narcolepsy is between 200 mg and 400 mg daily. The total daily dose is usually divided between a morning and noon dose. Doses are usually started at 200 mg per day, and then gradually increased by the doctor as needed to a maximum of 400 mg daily.

For adults with obstructive sleep apnea, the usual adult daily dose of modafinil is 200 mg taken as a single dose in the morning.

Adults with shift work disorder should take 200 mg once daily, approximately 1 hour before the start of the work shift.

Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way you are using the medication without talking to your doctor.

It is important to take Modafinil exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Avoid taking the medication in the late afternoon or evening, as it may prevent falling asleep at your normal bedtime. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.

Store Modafinil at room temperature, protect it from light and moisture, and keep it out of the reach of children.

Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.

Before you begin taking a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should take Modafinil.

HEALTH CANADA ADVISORY

June 20, 2019

Health Canada has issued information concerning the use of modafinil. To read the full Health Canada Advisory, visit Health Canada's web site at www.hc-sc.gc.ca.

Birth Control: Birth control pills, patches and other forms of estrogen and estrogen/progestin birth control may be less effective when you are also taking modafinil. Alternative methods of birth control should be used while you are taking modafinil and for at least 1 month after stopping treatment with modafinil.

Drowsiness/reduced alertness: Some people experience ongoing drowsiness or dizziness while taking modafinil. It may also cause overconfidence and over-stimulation, causing poor judgement. Do not drive, operate machinery, or perform other hazardous tasks until you have determined how Modafinil affects you.

Heart disease: Modafinil may cause an irregular heartbeat or increased blood pressure. The safety of using modafinil has not been established for people with heart problems. If you have a heart condition or history of heart problems, discuss with your doctor how Modafinil may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Modafinil, and whether any special monitoring is needed.

Hypersensitivity syndrome: A severe allergic reaction called hypersensitivity syndrome has occurred for some people with the use of modafinil. Stop taking the medication and get immediate medical attention if you have symptoms of a severe allergic reaction, including fever, swollen glands, yellowing of the skin or eyes, or flu-like symptoms with skin rash or blistering.

Liver function: People with severe liver disease should take lower doses of modafinil because of an increased risk of accumulation of the medication in the body and side effects. If you have liver disease or decreased liver function, discuss with your doctor how Modafinil may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Modafinil, and whether any special monitoring is needed.

Mental illness: Modafinil may reactivate certain mental disorders or cause confusion and agitation. If you have a history of mental disorders such as depression, psychosis, or mania, discuss with your doctor how Modafinil may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Modafinil, and whether any special monitoring is needed. If you experience symptoms of agitation, depression or hallucination, or notice them in a family member who is taking Modafinil, contact your doctor immediately. Your doctor will monitor you closely for these side effects while you are taking Modafinil.

Normal fatigue states: Modafinil should not be used to treat normal fatigue states (e.g., fatigue due to lack of sleep rather than narcolepsy), as it can lead to overconfidence in abilities without actually increasing performance. This could make it more dangerous to perform certain activities.

Seizure disorder: If you have a seizure disorder or a history of seizures, discuss with your doctor how Modafinil may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Modafinil, and whether any special monitoring is needed.

Skin rash: Modafinil may cause skin rash. Rarely, people taking modafinil experience a severe skin reaction that can be life-threatening. This usually occurs within the first 5 weeks of taking the medication, but it can develop at any time while you are taking modafinil. If you experience a rash that gets worse, or develops into blisters, sores on the lips or eyes or covers a large area of the body, contact your doctor immediately.

Pregnancy: Modafinil should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking Modafinil, contact your doctor immediately.

Breast-feeding: It is not known if modafinil passes into breast milk. If you are a breast-feeding mother and are taking Modafinil, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.

Children: Serious reactions have been associated with the use of modafinil by children. The risks and benefits of modafinil have not been established for children. It is not recommended that children be given modafinil.

Seniors: Seniors may be more sensitive to the effects of modafinil. They should use lower starting doses.

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