Category- Allopathy
Medicine Highlights
| Uses | 1- To treat Narcolepsy 2- To treat obstructive sleep apnea 3- To treat sleep problems due to shift work |
| Common Side Effects | 1- Black, tarry stools 2- Blurred vision or other vision changes 3- Chest pain 4- Chills or fever 5- Clumsiness or unsteadiness 6- Confusion |
| Additional Information | Avoid taking alcohol or tobacco with this medicine. |
| Storage | 1- The medicine should be stored at room temperature 2- Keep away from sunlight and moisture 3- Keep away from the reach of children |
| How to Take This Medicine | The medicine should be taken orally |
BrandName Summary
BrandName 100 mg is a central nervous system stimulant used to treat excessive daytime sleepiness caused by conditions like narcolepsy, obstructive sleep apnea, and shift work sleep disorder. It works by increasing dopamine levels in the brain, helping you stay awake and focused. Taken once daily as prescribed, BrandName improves alertness without causing sudden energy crashes. However, it should not be stopped abruptly without a doctor’s advice.
While generally well-tolerated, some users may experience side effects like dizziness, mood changes, or unusual tiredness. Alcohol should be avoided, and individuals with liver dysfunction or pregnancy should consult a doctor before use. Store BrandName at room temperature, away from moisture and sunlight. If you experience overdose symptoms like rapid heartbeat or agitation, seek medical attention immediately.
BrandName Uses
BrandName 100 mg is an oral medicine belonging to the class of central nervous system stimulant medicines. It is used for the following indications:
- Uncontrollable daytime sleep episodes (Narcolepsy)
- Shift work sleep disorder
- Airway obstruction during sleep (Obstructive sleep apnea)
Direction for use
- Take BrandName exactly as prescribed by your doctor, regularly at the same time each day.
- Do not stop taking BrandName without your doctor’s approval, even if you feel better.
- If you forget to take the medicine, take it as soon as you remember, unless it’s almost time for the next one, then just skip it.
BrandName Side Effects
More Common
- Feeling dizzy
- Drowsy
- Have trouble thinking or controlling movements
Less Common
- Black, tarry stools
- Blurred vision or other vision changes
- Chest pain
- Chills or fever
- Clumsiness or unsteadiness
- confusion
- Dizziness or fainting
- Increased thirst and urination
- Mental depression
- Problems with memory
- Rapidly changing moods
- Shortness of breath
- Sore throat
- Trembling or shaking
- Trouble in urinating
- Uncontrolled movements of the face, mouth, or tongue
- Unusual bleeding or bruising
- Unusual tiredness or weakness
How BrandName Works
BrandName works by increasing the level of a chemical called dopamine in your brain, which helps keep you alert.
Safety Measures and Warning
1- Pregnancy
The US FDA has categorized this medicine as Category C, meaning it may harm the fetus. If you are pregnant or planning to conceive, inform your doctor.
2- Liver Dysfunction
Patients with liver dysfunction should inform their doctor, as they may need a lower dose of this medicine.
BrandName Interaction with Other Medicines
Avoid taking BrandName 100 mg with the following medicines, as it may increase or decrease the desired effect, or in worse cases, it could be fatal:
BrandName Interaction with Food Products
BrandName does not interact with any food products, but alcohol should be avoided before and after taking the medicine, as it can increase or decrease the effect of BrandName.
Storage
- The medicine should be stored at room temperature
- Keep away from sunlight and moisture
- Keep away from the reach of children
BrandName Chemical Structure
IUPAC (International Union of Pure and Applied Chemistry)/ Chemical name-
2-[(diphenylmethyl)sulfinyl]acetamide

Intake Routine/Cycle
Daily Dose
Take BrandName exactly as your doctor recommends. The dose may change based on your condition and how well you respond. Do not take more than prescribed without consulting your doctor.
Missed Dose
If you forget to take your medicine, take the medication soon as you remember. If it’s nearly time for your next dose, skip the missed one and continue with your regular schedule. Always consult the doctor before making any changes to your dosage.
Overdose
You should not take more than 4000 mg of BrandName. The symptoms of overdose include increased heartbeat, sleeplessness, agitation, dizziness, and anxiety. If you know someone taking this medicine who experiences these symptoms, rush them to the hospital immediately.
FAQ’s
1- How long does BrandName last?
BrandName starts working within 20 to 30 minutes, with its maximum effect observed in 2 hours, and then gradually decreases. Its effects last for approximately 11 hours.
2- Can BrandName cause weight loss?
BrandName can reduce food intake, which may eventually lead to a decrease in body weight.
3- Is BrandName effective for studying?
BrandName can make you alert, but it does not improve memory or creativity. Moreover, using it can cause various side effects, so taking it without a medical condition is not recommended.
Reference
- Spiller HA, Borys D, Griffith JR, Klein-Schwartz W, Aleguas A, Sollee D, Anderson DA, Sawyer TS. Toxicity from modafinil ingestion. Clinical Toxicology. 2009 Feb 1;47(2):153-6. Available from.
- Healthline. How long does Provigil (modafinil) last? [Internet]. Available from.
- Perez GA, Haney M, Foltin RW, Hart CL. Modafinil decreases food intake in humans subjected to simulated shift work. Pharmacol Biochem Behav. 2008 Oct;90(4):717-22. doi: 10.1016/j.pbb.2008.05.018. PMID: 18573275; PMCID: PMC5858899. Available from.
- University of Oxford. Review of ‘smart drug’ shows modafinil does enhance cognition [Internet]. Oxford: University of Oxford; 2015 Aug 20 [cited 2025 Feb 14]. Available from.
- Greenblatt K, Adams N. Modafinil. [Updated 2023 Feb 6]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from.
- Mayo Clinic. Modafinil (oral route) – description [Internet]. Rochester (MN): Mayo Clinic; [cited 2025 Feb 14]. Available from.

Pranathi is a final year Pharm D student at Chalapathi Institute of Pharmaceutical Sciences. She loves learning and applying her knowledge in pharmacy and has a passion for writing, which allows her to express ideas clearly and creatively. She enjoys combining her technical skills with her love for writing and communication to make a meaningful impact. Currently she is working on a research paper about “Consanguineous marriages and its impact on children’s health” which will be published by the end of 2025.