Hurry Up - You can get 20 pills free on your first order Click Here

Armodafinil Dosage

Author :

Abhishek Dutta

Post Uploaded Date : October 13, 2023 Last Updated Date : April 1, 2024
Armodafinil 150mg is the standard recommended daily dosage to treat disorders like Narcolepsy, Obstructive Sleep Apnea, and Shift Work Sleep Disorder. However, the dosage strength might vary from patient to patient depending on conditions like- Age and liver or kidney dysfunction.

Armodafinil is a stimulant that treats Sleep disorders like Narcolepsy, Obstructive Sleep Apnea, and Shift Work Sleep Disorders, along with off-label uses like ADHD, Chronic Fatigue Syndrome, Bipolar Disorder, etc.

After becoming aware of the uses, people are curious to know How to take Modafinil and What is the proper Armodafinil Dosage.

Here are the complete details about Armodafinil’s starting dosage, daily dosage, maximum dosage, how to take it, what precautions must be followed, etc.

What is Armodafinil?

Armodafinil is a medication that acts as a stimulant and helps to treat sleep disorders like Narcolepsy, Obstructive Sleep Apnea, and Shift Work Sleep Disorder. 

It is a prescription-based medication. The FDA approved the use of the medication in the year 2007. 

Armodafinil is a Schedule IV controlled substance. The medication is sold under brand names like- Waklert, Nuvigil, Artvigil, etc.

Teva Pharmaceuticals Pvt. Ltd. manufactures Armodafinil [1].

What are the uses of Armodafinil?

The three clinical uses for which Armodafinil is prescribed are-

  1. Narcolepsy.
  2. Obstructive Sleep Apnea 
  3. Shift Work Sleep Disorder

Off-label Uses of Armodafinil

It is not possible to mention all the off-label Armodafinil uses. 5 of the remarkable off-label uses are mentioned below-

  1. Armodafinil for ADHD ( Attention Deficit Hyperactivity Disorder)
  2. Armodafinil for Chronic Fatigue Syndrome
  3. Armodafinil for Jet lag
  4. Armodafinil for Bipolar disorder
  5. Armodafinil for cognitive enhancement [1].

Armodafinil Dosage Regimen

Armodafinil is available in dosage strengths of 150-250 mg. Though the dosage might vary from patient to patient, the standard recommended dosage of Armodafinil is 150 mg/day for adults above 16.

Armodafinil Dosage for Narcolepsy and Obstructive Sleep Apnea

The recommended dosage for Narcolepsy and Obstructive Sleep Apnea is 150-250 mg/day. 

Nuvigil Dosage for Shift Work Sleep Disorder

The recommended dosage for Shift Work Sleep Disorder is 150mg/day.

The dosage strengths might vary depending on two primary factors-

  1. Age– Armodafinil dosage is lowered for people above 65 years as the metabolism process slows down with age.
  2. Liver or kidney dysfunction– The metabolism process takes place in the liver, and the metabolites are excreted in the kidney through Urine. The Armodafinil dosage is lowered if your liver and kidney are not functioning well.

Missed Dose of Armodafinil

You should take the missed dose of Armodafinil at the time and avoid taking the medication if your next dose of the schedule approaches. Do not double the doses.

Armodafinil Overdose

When you overlap the doses or take the medication in large quantities, it might lead to an overdose. Overdose of  Armodafinil might have several symptoms. 6 specified overdose symptoms are cited below-

  1. Anxiety.
  2. Dry mouth
  3. Hallucination
  4. Headache
  5. Blurred Vision
  6. Trouble in Sleeping [2].

Can Armodafinil be cut in half?

Basically, it depends upon the dosage strength of Armodafinil. If you take a lower dosage of Armodafinil and cut the tablet in half, it will not be effective as per the dosage. However, if you take a higher dosage and decide to cut the pill in half, the effectiveness depends from person to person. 

Physically, Armodafinil can be cut in half easily. However, the tablet should be cut with a pill cutter and should not be broken down into dust. 

According to the website, many people reviewed that taking a half-tablet doesn’t change the effectiveness of the medicine until and unless the dose of Armodafinil is the same [3].

Administration Guide

There are 4 simple steps to be followed while consuming Armodafinil 150mg.

  1. The tablet must be swallowed with a glass of water.
  2. Avoid chewing or crushing the tablet.
  3. Try to take Armodafinil daily dosage at the same time of the day for better effectiveness.
  4. Do not take the medication at night in order to avoid Insomnia, except for Shift Work Disorder. 

The medication is generally taken 1 hour before the shift work begins. 

How long does it take to Work?

Armodafinil dosage takes 30 minutes to kick in after consumption.

Half-life of Armodafinil

The amount of time taken by a medication to reduce by half is called the medication’s half-life. 

Generally, a medication undergoes 5 half-lives elimination to be completely removed from the system. 

The half-life of Armodafinil is 12-15 hours.

Armodafinil Warnings and Precautions

There are basically 6 Armodafinil warnings and preventive measures that need to be taken while using the medication-

  1. If you are allergic to Armodafinil, inform your doctor before taking the medication. 
  1. You should completely avoid the consumption of Alcohol. This might make you feel more dizzy.
  1. You should avoid doing activities that require immediate response, such as driving while taking the medication.
  1. You should consult your doctor about your medical history before taking the medication. 

If you have problems like high blood pressure, heart problems, liver or kidney dysfunction.

  1. You should not take the medicine if you are pregnant. Avoid taking contraceptives.
  2. You should not take the medication at the stage of breast-feeding. This might harm your baby [4].

Armodafinil Side Effects

Armodafinil Side Effects might be common or less severe and might go away on their own without any medical response, while some might be less common and severe and might require immediate medical response.

6 Common Armodafinil Side Effects-

  1. Rashes or blistering of the skin
  2. Fever
  3. Shakiness in the legs, arms, hands or feet
  4. Fast, irregular, racing or pounding of heart
  5. Tightness in the Chest
  6. Increased volume of pale or dilute Urine.

6 less common or severe Armodafinil Side Effects-

  1. Cough
  2. Indigestion
    3. Loss of Appetite
  3. Heartburn
  4. Runny nose
  5. Mood or mental changes [5].

However, you should always consult with your doctor before taking the medication.

Armodafinil Dosage: Conclusion

You are now aware of the Armodafinil dosage, and if you want the benefits of Armodafinil or are in this product then explore our Armodafinil product page today. 


What is the maximum Armodafinil Dosage?

The maximum Armodafinil Dosage is 500 mg/day.

Can you take too much of Armodafinil?

No, too much Armodafinil cannot be taken as it might lead to an overdose.

How long does it take for Armodafinil to peak?

The peak plasma concentrations of Armodafinil are reached within 2 hours at its fastened state,

How much Armodafinil can I take?

The standard recommended Armodafinil dosage is 150mg/day. However, this might vary from patient to patient.

Is Armodafinil stronger than Modafinil?

Many studies found that Armodafinil is 1.33% more effective than Modafinil.


  1. Armodafinil, Cleveland Clinic

  2. Armodafinil Oral Route, Mayo Clinic

  3. Can the nuvigil 250 or 350 mg be split in half to save money?

  4. Armodafinil Uses, Dosage, Precautions, Side Effects and Interactions, WebMd.

  5. Armodafinil (Oral Route) Side Effects, Mayo Clinic

Website Information Disclaimer aims to inform our customers about our offerings and services. The website's content, such as our texts, images, and graphics, is intended for educational and informational purposes only. It should not be used as a replacement for expert medical guidance, treatment, or diagnosis. We sell prescription drugs and therefore suggest that all our customers seek advice from a physician before purchasing any medication or healthcare products listed or accessible on our website to ensure their safety and well-being.
    Your Cart
    Your cart is emptyReturn to Shop