Modalert 100 mg


Modalert 100 mg tablets are wakefulness-promoting drugs that are used in the treatment of sleeping disorders such as narcolepsy, shift-work disorder, and obstructive sleep apnea. It helps to regularize the sleep cycle by reducing the impulse to fall asleep during the day. This nootropic drug is intended to be taken once in 24 hours, and its effects last for 12-14 hours. It is used off-label to boost alertness and focus by people whose work demands it.

Active Ingredient Modafinil
Starts In 1-2 Hours
Last Long 12-14 Hours
Type Narcolepsy, Sleep Apnea


How It Works

Modafinil, the active ingredient in Modalert 100 mg affects the areas of the brain that influence sleep and wakefulness. It works by binding to the receptors of the transmit receptors of the neurons, which enhances the availability of the neurotransmitters such as dopamine, serotonin, noradrenaline, etc., at the synapses. This boosts focus, concentration, energy, and cognitive abilities.

Uses of Modalert 100 mg

Doctors recommend Modalert 100 mg tablets for the treatment of the below-listed conditions:

  1. Narcolepsy: A chronic disorder affecting the nervous system wherein people feel overwhelming drowsiness, and attacks of sleep during the daytime. In many cases, this disorder also results in loss of muscle control temporarily, hallucinations, and fragmented sleep at night.
  2. Obstructive Sleep Apnea: It is a condition that seriously affects your breathing when you are asleep. There is repeated stopping and restarting of breathing during sleep. The throat muscles relax blocking the airways. To take in the air, the chest muscles and diaphragm have to work extra to open the airway to pull air inside the lungs.
  3. Shift Work Sleep Disorder (SWSD) – This disorder affects people who have to work in nontraditional timings. This affects the natural body clocks or the circadian rhythms and results in problems with falling or staying asleep.

Recommended Dosage

The dosage is usually decided by the doctor after a thorough analysis of your situation. However, it is recommended to take one tablet of Modalert 100 mg by mouth in 24 hours.

  • For the treatment of Narcolepsy or Obstructive Sleep Apnea, it is advised to take one tablet, either with or without food, in the morning, unless advised otherwise by the doctor.
  • For the treatment of Shift Work Sleep Disorder, you would be required to take one pill 1-2 hours before the start of your shift, so that the drug can be metabolized to enter your bloodstream.

Modalert 100 mg’s effects last for 12-14 hours. However, the exact duration depends on certain factors such as age, health conditions, and the metabolism of the user. Also, to maintain the level of modafinil in the body to work effectively for the treatment of narcolepsy and obstructive sleep apnea, the tablet should be consumed around the same time every day.

Missed Dosage

In case you miss a dose, take one as soon as you remember. However, if you plan on sleeping within the next 4-5 hours, skip the dose entirely and continue with the normal schedule from the next day. Do not take a double dose.


Be extremely cautious while taking this medication, as overdosing on Modalert 100 mg can cause severe side effects. If you overdose, contact your doctor immediately for medical assistance.

Important Advisory

Modalert 100 mg is required to be used with caution in some medical conditions. Inform your doctor in case you have the following conditions.

  • Any known allergies to Modafinil or any other medication.
  • If you are pregnant, breastfeeding, or are planning on conceiving.
  • If you suffer from mental health disorders such as anxiety, depression, etc.
  • If you suffer from diabetes, hypertension, etc.
  • If you have or have had a cardiovascular health issue such as heart attack, coronary artery disease.
  • If you have or have had a case of thrombosis or stroke.
  • If you have a family history of cardiovascular diseases, thrombosis, or stroke.
  • If you suffer from kidney or liver disease, including cancer.
  • If you have a history of any drug or alcohol abuse.

Side Effects of Modalert 100 mg

Most of the commonly experienced side effects resolve on their own as your body adjusts to the medication. However, if you feel the side effects are persistent and worsen over time.

  • Runny nose
  • Dryness of mouth
  • Nausea
  • Diarrhea
  • Indigestion
  • Backache
  • Headache
  • Dizziness
  • Difficulty in sleeping
  • Nervousness
  • Anxiety
  • Infection of the upper respiratory tract
  • Pain in chest
  • Fever & chills

If you experience any of the below-listed symptoms, seek immediate assistance from your doctor.

  • Hypersensitivity – hives, swelling of face, lips, tongue, or throat, or difficulty in breathing.
  • Absence of sleep at night.
  • Bruising or bleeding
  • Severe mood fluctuations – anxiety, depression, suicidal thoughts.

Interactions With Other Drugs

Certain medications, prescription, nonprescription, and herbal, may affect the working of Modalert or aggravate the side effects caused by it. Convey to your doctor or pharmacist about all the medications you are taking to prepare a suitable dosage schedule for you.

  • Hormonal birth control pills
  • Warfarin
  • Diazepam
  • Rifampin
  • Cyclosporine
  • Clopidogrel
  • Fentanyl
  • Bosutinib
  • Propranolol
  • Ranolazine
  • Theophylline
  • Ketoconazole
  • Carbamazepine
  • Deflazacort
  • Imipramine

Interaction with Alcohol

Using alcohol with this medication may increase your odds of experiencing the side effects and affect your health significantly. It is advised to avoid the use of alcohol while you are on this medication.

Storage Instructions

Keep the tablets in their original packaging. And ensure that they are,

  • Out of reach of children.
  • Stored away from direct sunlight, moisture, and heat.
  • Stored in an airtight container when opened.
  • Disposed of properly when expired. Do not consume expired tablets.

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