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By JeffreyThurber

What is Modafinil?

Modafinil (also known as Provigil) is a medication that can be used to treat sleepiness due to narcolepsy or shift work sleep disorder. Although it has been reported to be a cognitive enhancer and off-label, there is not much evidence.

Modafinil uses

Buy Modafinil USA reduces sleepiness due to narcolepsy, as well as other sleep disorders like obstructive sleep disorder (obstructive sleeping apnea) and periods where you have no breathing while asleep (obstructive). Modafinil can also be used to keep you awake at work if you have a shift work sleep disorder or your work schedule makes it difficult for you to maintain a regular sleeping pattern. It does not cure sleep disorders, and it may not eliminate your sleepiness completely. It should not be used as a replacement for adequate sleep. If you don’t have a sleep disorder, it should not be used to stop people sleeping or treat tiredness. It is not clear how it keeps you awake. It’s believed to influence certain brain chemicals.

Modafinil: How to Use It

Read the Medication Guide from your pharmacist before you start using modafinil. Consult your pharmacist or doctor if you are unsure about the dosage.

This medication can be taken orally, with or without food, as directed by your doctor. Narcolepsy is usually treated once daily in the morning. If your doctor directs, you may also divide the daily dose into morning and afternoon doses.

This medication can be taken orally, with or without food, as directed by your doctor. It is usually taken once daily in the morning. Unless your doctor tells you otherwise, continue with any other treatments (such a CPAP machine and mouth device).

Take it orally with or without food if you have a sleep disorder. It is usually taken once per day, one hour before your shift starts.

Your medical condition and your response to treatment will determine the dosage. Regular use is key to reaping the benefits of this medication.

You may feel withdrawal symptoms such as shaking, sweating and nausea. Your doctor may gradually reduce your dosage to prevent withdrawal symptoms. If you have taken this medication for a long time or at high doses, withdrawal is more likely.

This medication may become less effective if it is taken for a prolonged period. If this medication stops working, consult your doctor.

This medication may lead to addiction, despite its many benefits. Your risk of becoming addicted to or using drugs/alcohol excessively may increase.

Modafinil Side effects:

  • Headache
  • Dizziness
  • It is difficult to fall asleep
  • Drowsiness
  • Nausea
  • Diarrhea
  • Constipation
  • Gas
  • Heartburn
  • Appetite loss
  • Unusual tastes
  • Dry mouth
  • A excessive thirst
  • Nosebleed
  • Flushing
  • Sweating
  • Tight muscles, or difficulty moving
  • Pain in the back
  • Confusion
  • Skin numbness, burning, or tingling sensations

Take care

If you are allergic to armodafinil or this medicine, tell your doctor. This product may contain inactive ingredients that could cause allergic reactions.

Talk to your doctor about your medical history, especially if there are any heart conditions after you’ve taken stimulant drugs such as amphetamines. This includes chest pain, irregular heartbeat, high blood pressure, liver problems or mental/mood problems.

Your ability to quickly react can be affected by sleep problems. You may not be able drive safely or stay awake if you take this medication. Dizziness can also be caused by this medication. You may feel dizzy from alcohol.

Notify your doctor if you’re pregnant. Pregnancy is not a good time to take it. It can cause harm to an unborn baby. Ask about the benefits and risks of this medication immediately.

It is unknown if this drug passes into breastmilk. Before breast-feeding your baby, consult with your doctor.


Modafinil may be able to accelerate the removal of certain medications from your body. This could have an impact on their effectiveness.

Some ingredients in products can increase your blood pressure or heart rate. Tell your pharmacist what medications you are taking and how safe they can be used (especially diet aids or cough-and-cold remedies).


If you suspect that someone has taken too much of this medication and is experiencing serious side effects such as trouble breathing or difficulty swallowing, consult your doctor immediately. Your doctor will not allow you to take more than the prescribed dose.

Missed Dose

You must take your medication exactly as prescribed. For a new schedule, call your pharmacist or doctor immediately if you have forgotten a dose. Double the dose.


Your medicine should be kept out of direct contact with heat, light, or air. This could cause damage. Keep the medicine safe and away from children.

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