Active ingredient: Armodafinil
Primary therapeutic area: Wakefulness promotion for sleep-related disorders
Common tablet strengths in the U.S.: 50 mg and 150 mg (some manufacturers also supply 200 mg and 250 mg).
Conditions commonly addressed: narcolepsy, obstructive sleep apnea residual sleepiness, and shift work sleep disorder.

What is Armod?

Armod is a brand and generic name for armodafinil, a wakefulness-promoting agent in the CNS stimulant class. It is not a traditional sedative or amphetamine. In the United States, it is best known for helping adults stay alert when excessive daytime sleepiness is caused by specific sleep disorders. For details about approved uses, see Uses. If you are exploring options, you may also want to compare with other medicines in Alternatives.

Approved and off-label uses

FDA-approved indications in the U.S. include:

  • Shift work sleep disorder, taken before the work shift to improve alertness
  • Narcolepsy associated excessive daytime sleepiness
  • Residual sleepiness due to obstructive sleep apnea when airway obstruction is treated but sleepiness persists

Off-label use has been explored for conditions such as ADHD, major depressive disorder adjunct therapy, and chronic fatigue syndrome. Evidence and dosing strategies vary; discuss potential risks and benefits with a licensed clinician before considering any off-label use.

How to take Armod

Take exactly as prescribed by your healthcare professional. Do not exceed the recommended dose. General timing patterns:

  • Shift work sleep disorder: typically about 1 hour before the work shift begins
  • Narcolepsy or obstructive sleep apnea: usually once in the morning

Tablets may be taken with or without food, but try to be consistent because food can slightly delay onset. If you have significant liver impairment, a lower total daily dose may be required. Armod is not established for use in children.

If you are uncertain about your schedule or if you experience new symptoms, contact your prescriber. For information on missed doses, see Missed dose.

Precautions and warnings

Armod can affect judgment, concentration, and vision in some people. Until you know how you respond, avoid driving, operating machinery, or performing tasks that require full alertness.

  • Psychiatric history: use caution if you have depression, anxiety, mania, or psychosis; monitor for mood or behavior changes
  • Cardiovascular disease: may increase heart rate and blood pressure; use carefully if you have structural heart disease or uncontrolled hypertension
  • Serious rash: rare but severe dermatologic reactions have been reported with related agents; stop and seek care if rash, blistering, or mucosal sores develop
  • Pregnancy and breastfeeding: use only if potential benefit justifies potential risk; discuss contraception effectiveness changes (see Interactions)
  • Alcohol: combining with alcohol can unpredictably alter alertness; avoid or minimize

Who should not use it

  • Known hypersensitivity or allergic reaction to armodafinil, modafinil, or any tablet component
  • History of left ventricular hypertrophy or mitral valve prolapse with stimulant induced symptoms

Possible side effects

Many people tolerate armod well, but side effects can occur. Seek urgent help for severe reactions such as swelling of face or tongue, trouble breathing, chest pain, suicidal thoughts, or a widespread rash.

  • Insomnia or difficulty sleeping if taken late in the day
  • Dizziness or lightheadedness
  • Anxiety, nervousness, or agitation
  • Nausea or stomach upset
  • Headache

If side effects are persistent or troublesome, contact your prescriber. Dose timing or dose size may be adjusted in some cases.

Drug interactions

Armod affects and is affected by CYP enzymes in the liver. Always tell your clinician and pharmacist about all prescription drugs, over the counter medicines, vitamins, and herbal products you use.

  • CYP3A4/5 inhibitors such as ketoconazole or itraconazole may increase armod exposure
  • Hormonal contraceptives that contain ethinyl estradiol or progestins can be less effective during treatment and for about 1 month after stopping; add a nonhormonal method
  • CYP3A4 inducers such as rifampin, carbamazepine, or St. John's wort can reduce armod levels
  • CYP2C19 substrates including omeprazole, diazepam, propranolol, and phenytoin may have increased effects

If you are unsure whether a medicine interacts with armod, ask a pharmacist or clinician before starting it.

Missed dose

If you forget a dose, take it when you remember unless it is close to your next dose. If it is late in the day, skip it to avoid insomnia. Do not double up to make up for a missed dose.

Overdose information

Symptoms may include agitation, restlessness, anxiety, confusion, hallucinations, nausea, diarrhea, tremor, or heart palpitations. If overdose is suspected, call emergency services or go to the nearest emergency department right away. Bring the medication container with you if possible.

How to store

  • Keep tablets in a closed container at room temperature, away from moisture and direct light
  • Store out of reach of children and pets
  • Do not use after the expiration date on the package

Similar or alternative medicines

Depending on diagnosis, medical history, and tolerance, clinicians may consider alternatives. Do not switch without professional guidance. For legal and cost considerations in the U.S., see Legal status and Prices.

  • Solriamfetol (Sunosi) - a dopamine and norepinephrine reuptake inhibitor approved for EDS in OSA and narcolepsy; tends to raise blood pressure and heart rate
  • Pitolisant (Wakix) - a histamine H3 receptor inverse agonist for narcolepsy; not a controlled substance, can cause insomnia and headache
  • Modafinil (Provigil, generic) - racemic parent compound; similar wake promoting effects; interaction profile overlaps with armodafinil
  • Methylphenidate products - traditional stimulants for ADHD and sometimes used off label for narcolepsy; more pronounced sympathomimetic effects
  • Amphetamine formulations (e.g., Adderall, dextroamphetamine) - potent stimulants for ADHD and narcolepsy; Schedule II with higher misuse potential
  • Caffeine and caffeine containing combinations - milder alertness aid; may be insufficient for clinical sleep disorders

Rough comparison in effect and regulation: armodafinil and modafinil are Schedule IV in the U.S. with relatively lower abuse potential; amphetamine and methylphenidate are Schedule II with stricter controls; pitolisant is not controlled at the federal level; solriamfetol is Schedule IV.

Typical prices in USD

Prices vary widely by pharmacy, strength, tablet count, insurance coverage, and discount programs. The estimates below reflect common U.S. cash price ranges for a 30 day supply:

  • Armodafinil generic 150 mg: about $40 to $160
  • Armodafinil generic 50 mg: about $25 to $110
  • Nuvigil (brand armodafinil): often $500 to $900 or more
  • Modafinil generic 100 to 200 mg: about $30 to $140
  • Solriamfetol (Sunosi): commonly $500 to $800
  • Pitolisant (Wakix): commonly $600 to $1000

Use legitimate U.S. pharmacies. Coupon programs and patient assistance from manufacturers may lower costs. Always compare prices and verify that products are FDA approved.