Comprehensive medication guide to Armodafinil including estimated pricing, availability information, side effects, and how to find it in stock at your local pharmacy.
Estimated Insurance Pricing
$10–$50 copay as a preferred generic; prior authorization commonly required, and step therapy through Modafinil may apply.
Estimated Cash Pricing
$150–$400 retail for generic; as low as $30–$80 with GoodRx or SingleCare coupons. Brand Nuvigil runs $300–$625 without insurance.
Medfinder Findability Score
65/100
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Armodafinil (brand name Nuvigil) is a wakefulness-promoting medication used to treat excessive sleepiness caused by narcolepsy, obstructive sleep apnea (OSA), and shift work sleep disorder (SWSD). It is the R-enantiomer of Modafinil (Provigil), meaning it contains only the more pharmacologically active half of the Modafinil molecule.
Armodafinil is taken once daily — in the morning for narcolepsy and OSA, or about one hour before your shift for shift work disorder. It can be taken with or without food. Unlike traditional stimulants like Adderall or Ritalin, Armodafinil has a lower risk of abuse and dependence, which is why it is classified as Schedule IV rather than Schedule II.
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Armodafinil works primarily by blocking the dopamine transporter (DAT), which increases the amount of dopamine available in the brain. This boost in dopamine promotes wakefulness and alertness without the intense stimulation or crash associated with traditional stimulants.
Because Armodafinil is the R-enantiomer of Modafinil, it reaches higher plasma concentrations later in the day compared to racemic Modafinil, which may provide a longer-lasting wakefulness effect for some patients. The full mechanism is not completely understood, but it is believed to also affect orexin, histamine, and norepinephrine pathways in the brain.
50 mg tablets
sometimes used for lower starting doses or dose titration
150 mg tablets
the most commonly prescribed dose for OSA and narcolepsy
200 mg tablets
available but less commonly used
250 mg tablets
the higher end of the dosing range, sometimes prescribed for narcolepsy or shift work disorder
Armodafinil scores a 65 out of 100 on our findability scale, meaning it has intermittent availability issues. While not on any formal FDA shortage list, patients regularly report difficulty finding specific doses or generic manufacturers at their local pharmacies. As a Schedule IV controlled substance, Armodafinil is subject to DEA manufacturing quotas, which can create supply fluctuations — especially following the broader stimulant supply disruptions that began in 2023–2024.
If your pharmacy is out of stock, try using Medfinder to search nearby pharmacies that currently have Armodafinil available. You may also want to ask your pharmacist about ordering from a different generic manufacturer or checking back in a few days.
Armodafinil can be prescribed by any licensed physician or authorized prescriber, but it is most commonly prescribed by:
Telehealth prescribing is available for Armodafinil in many states, making it easier to get a prescription without an in-person visit.
Yes. Armodafinil is classified as a Schedule IV controlled substance by the DEA. This means it has a recognized medical use but carries some potential for abuse and dependence — though significantly less than Schedule II stimulants like Amphetamine (Adderall) or Methylphenidate (Ritalin).
Because it is Schedule IV, prescriptions may have refill limits, and pharmacies are subject to DEA manufacturing quotas. These quotas can occasionally contribute to supply fluctuations, especially when overall demand for wakefulness-promoting agents increases.
Serious side effects are rare but include severe skin rashes (Stevens-Johnson Syndrome), angioedema, multi-organ hypersensitivity reactions (DRESS syndrome), and psychiatric symptoms such as hallucinations or suicidal ideation. Discontinue Armodafinil immediately and contact your doctor if you develop any rash.
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Modafinil (Provigil)
the racemic mixture of both enantiomers; very similar efficacy but slightly shorter duration of action
Solriamfetol (Sunosi)
a newer dopamine/norepinephrine reuptake inhibitor approved for excessive daytime sleepiness in OSA and narcolepsy
Methylphenidate (Ritalin, Concerta)
a Schedule II stimulant used for narcolepsy and ADHD; more potent but higher abuse potential
Amphetamine Salts (Adderall)
a Schedule II stimulant for narcolepsy and ADHD; stronger wakefulness effect but greater side effect and abuse risk
Prefer Armodafinil? We can find it.
Hormonal contraceptives
moderate(pills, patches, rings, implants) — Armodafinil may reduce their effectiveness. Use alternative or additional birth control.
Cyclosporine
moderateArmodafinil induces CYP3A4, which can lower Cyclosporine blood levels
Warfarin
moderatemonitor INR closely as Armodafinil may alter Warfarin metabolism
Midazolam and Triazolam
moderatereduced levels due to CYP3A4 induction
Phenytoin
moderateCYP2C19 inhibition may increase Phenytoin levels
Omeprazole
moderateand other CYP2C19 substrates — may have increased exposure
Carbamazepine
moderatemutual CYP3A4 induction may reduce Armodafinil effectiveness
Armodafinil is a well-established, effective wakefulness-promoting medication with a favorable safety profile compared to traditional stimulants. While it's not on any formal FDA shortage list, some patients do experience difficulty finding it in stock due to DEA quota fluctuations and varying generic manufacturer availability.
Recent development (March 2026): Breckenridge Pharmaceutical recently received FDA approval for their generic Armodafinil tablets, which should help improve availability and potentially reduce costs as additional manufacturers enter the market.
If you're struggling to find Armodafinil at your pharmacy, Medfinder can help you locate pharmacies near you that have it in stock — saving you the hassle of calling around. For savings, look into discount coupons through GoodRx or SingleCare, which can bring the generic price down to as low as $30 for a 30-day supply.
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Our medication guides are researched and written to help patients make informed decisions. All content is reviewed for accuracy and updated regularly. Learn more about our standards
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