Description
What is Modafinil 200mg?
Modafinil 200mg is a prescription medication used to promote wakefulness in individuals experiencing excessive sleepiness due to narcolepsy, obstructive sleep apnea (OSA), or shift work sleep disorder (SWSD). It works by altering neurotransmitters in the brain to improve alertness and reduce daytime sleepiness.
For more information on Modafinil and its uses, see MedlinePlus: Modafinil .
How to get Modafinil 200mg
Modafinil is a prescription-only medication. Patients should only purchase it from licensed pharmacies or verified online sources. Always consult a healthcare provider to determine whether Modafinil is suitable for you.
For guidance on safe use of prescription medications for sleep disorders, see Mayo Clinic: Modafinil .
What is Modafinil 200mg used for?
Modafinil 200mg is primarily prescribed for:
- Narcolepsy – to reduce excessive daytime sleepiness
- Obstructive Sleep Apnea (OSA) – to help patients stay awake during the day
- Shift Work Sleep Disorder (SWSD) – to improve alertness in individuals working irregular hours
For more information about sleep disorders and Modafinil therapy, see National Sleep Foundation: Modafinil .
Side Effects of Modafinil 200mg
Common side effects include:
- Headache
- Nausea
- Nervousness or anxiety
- Dizziness
- Insomnia
Serious side effects requiring immediate attention include:
- Chest pain or palpitations
- Severe rash or allergic reactions
- Psychiatric symptoms (depression, hallucinations)
For a detailed list of side effects, see Drugs.com: Modafinil Side Effects .
How long does Modafinil 200mg stay in your system?
The half-life of Modafinil is approximately 12–15 hours, depending on metabolism, liver function, and age. Most of the drug is cleared from the system within 24 hours, but active metabolites may persist slightly longer.
For pharmacokinetics details, see Medscape: Modafinil Pharmacology .
Precautions and Interactions
- Avoid alcohol and other central nervous system stimulants while taking Modafinil.
- Modafinil can interact with medications such as oral contraceptives, anticoagulants, and certain anticonvulsants.
- Inform your healthcare provider about all medications and supplements you are taking.
For more information on interactions, see Drugs.com Interaction Checker .
Product Highlights
- Brand Name: Modafinil
- Strength: 200mg
- Form: Oral Tablet
- Use: Promotes wakefulness in narcolepsy, OSA, and shift work sleep disorder
- Availability: Prescription Only
- Delivery: Consult a healthcare provider before use



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