Modafinil 100 Mg Tablets

Wakevigil 100

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Modafinil is a medication that helps reduce extreme sleepiness caused by certain sleep disorders like narcolepsy and obstructive sleep apnea. It’s also used to keep people awake during work hours when they have irregular sleep patterns due to shift work. It’s important to note that Modafinil doesn’t cure these sleep disorders and may not completely eliminate sleepiness. It’s not a replacement for getting enough sleep and should not be used to combat fatigue or delay sleep in individuals without sleep disorders.

The exact way Modafinil works to promote wakefulness isn’t fully understood. However, it’s believed to affect specific chemicals in the brain that regulate the sleep/wake cycle.

How to use Modafinil Tablets:

Before Starting:

  • Read the Medication Guide provided by your pharmacist.
  • If you have any questions, consult your doctor or pharmacist.

For Narcolepsy:

  • Take modafinil by mouth, with or without food.
  • Follow your doctor’s instructions, usually taken once daily in the morning.
  • Your doctor may suggest dividing the daily dose into morning and noon doses if necessary.

For Obstructive Sleep Apnea:

  • Take modafinil by mouth, with or without food.
  • Continue using other prescribed treatments like CPAP machines or mouth devices, unless your doctor advises otherwise.
  • Typically taken once daily in the morning as directed by your doctor.

For Shift Work Sleep Disorder:

  • Take modafinil by mouth, with or without food.
  • Follow your doctor’s instructions, usually taken once a day 1 hour before starting your work shift.

Dosage and Regular Use:

  • Your dosage depends on your medical condition and treatment response.
  • Take modafinil regularly to maximize its benefits.

Side effects of Modafinil Tablets:

  • Headache
  • Nausea
  • Nervousness
  • Anxiety
  • Dizziness
  • Insomnia (difficulty in sleeping)
  • Indigestion
  • Diarrhea
  • Back pain
  • Runny nose


Here are the precautions you need to keep in mind while using Modafinil Tablets:


  • Inform your doctor or pharmacist if you are allergic to modafinil, armodafinil, or have any other allergies. 
  • Be aware that this medication may contain inactive ingredients that can trigger allergic reactions.

Medical History:

  • Share your medical history with your healthcare provider, especially if you have:
  • Heart problems (e.g., enlarged heart, chest pain, irregular heartbeat)
  • Experienced heart problems after using stimulant drugs like amphetamines
  • High blood pressure
  • Liver problems
  • Mental/mood disorders (e.g., depression, mania, psychosis)
  • A personal or family history of substance use disorder (e.g., drug or alcohol addiction)

Safety Concerns:

  • Note that sleep disorders may affect your reaction time, and even though modafinil promotes wakefulness, you may still not be fit for tasks requiring quick reactions (e.g., driving).
  • This medication can cause dizziness. Avoid alcohol or marijuana (cannabis), as they can intensify dizziness.
  • Refrain from activities that demand alertness until you can do them safely.
  • Before surgery, inform your doctor or dentist about all the medications and products you use, including prescription drugs, non-prescription drugs, and herbal products.

Pregnancy and Birth Control:

  • If you are pregnant or planning to become pregnant, consult your doctor. Using modafinil during pregnancy may harm an unborn baby.
  • Discuss reliable non-hormonal birth control methods with your doctor while using this medication and for two months after your last dose.
  • If you become pregnant, consult your doctor immediately to assess the risks and benefits of modafinil.


Additional information