Struggling to stay alert through your shift, your studies, or your because of ongoing excessive sleepiness? For patients living with Narcolepsy, Shift Worker Sleep Disorder and Sleep Apnea persistent daytime sleepiness can affect daily functioning and quality of life. Modacare 300 mg, containing Modafinil, is a medication used to help manage this symptom as part of a physician-directed treatment plan.
Mechanism of action
Modafinil inhibits the dopamine transporter (DAT), reducing the reuptake of dopamine from the synaptic cleft. This leads to increased dopamine availability and enhanced stimulation of postsynaptic receptors, producing a wakefulness-promoting effect without the pronounced stimulant profile of classical amphetamines.
Key Features
| About Modacare 300 mg | |
| Drug class: Central Nervous system Stimulant | |
| Chemical class: Diphenylmethanes |
| Product details | |
| Active ingredient | Modafinil |
| Inactive ingredients |
|
| Dosage Form | Tablet |
| Route of administration | Oral |
| Packaging | Blister Pack |
| Pack size | 10*10 |
| Strength | 300 mg |
| Used for | Excessive sleep disorder |
| Onset of action | 30 to 60 minutes |
| Duration of action | 10 to 12 hours |
| Shelf life | 24 months |
| Storage Instructions | Store at room temperature away from sunlight and moisture |
Indications
Modacare 300 mg is approved for the treatment of excessive daytime sleepiness in adults with:
- Narcolespy
- Obstructive Sleep apnea/Hypopnea syndrome (OSAHS), as adjunct therapy alongside CPAP
- Shift Worker Sleep Disorder
DOSAGE
If you’re taking it for Narcolepsy, Sleep apnea is usually taken in the morning. If you’re taking it for Shift Worker Sleep Disorder it should be taken an hour before the shift starts. Use as prescribed by the physician.
SIDE EFFECTS
Very common (usually affecting more than 10% of users):
- Headache
Common (affecting 1% to 10% of users):
- Anxiety
- Nervousness
- Insomnia
- Decreased appetite
- Runny or stuffy nose
- Depression
- Nausea
- Diarrhea
- Indigestion
- Stiffness of muscles
Serious/ Rare risks:
- Hypertension
- Increased palpitations
- Cardiac pain
- Inflammation of face, tongue, lips
- Dyspnea- Shortness of breath
- Severe skin reactions
- Aggression
- Hallucinations
INTERACTIONS
Avoid or do not use Modafinil with the following medications:
- Amphetamine or dextroamphetamine
- Pemoline (CNS Stimulant)
- MAOIs like Phenelzine (sold as Nardil), Tranylcypromine (sold as Parnate) and Isocarboxazid (sold as Marplan)
- Chemotherapy medication-Procarbazine
Modafinil might also interact with the following:
- Antifungal medications such as Itraconazole, Ketoconazole
- Barbiturates like phenobarbital
- Carbamazepine
- Diazepam
- Phenytoin
- Cyclosporine
- Anticoagulants like warfarin
- Beta blockers like propranolol
It can also have an interaction with dietary compounds like grapefruit or grapefruit juice, alcohol and caffeine.
PRECAUTIONS & WARNINGS
Modafinil’s effects vary from person to person, which is why a quick check-in with your physician matters before you begin. Speak to your physician if any of the following apply:
- Cardiovascular history: including irregular heartbeat, prior heart conditions, or high blood pressure
- Hepatic or renal impairment: reduced liver or kidney function may affect how the medication is processed
- Psychiatric history: including anxiety, depression, or psychotic episodes, past or present
- Pregnancy or breastfeeding: including if you’re currently trying to conceive
- Known hypersensitivity: to Modafinil or the inactive ingredients
Additional precautions:
- Avoid driving or operating machinery until you’ve established how the medication affects your alertness and coordination.
- Take Modacare 300 mg only as prescribed: dosage adjustments should be made under medical guidance, not independently.
- Routine follow-up with your physician is recommended to monitor treatment response.
CONCLUSION
Modacare 300 mg is intended to support wakefulness in patients diagnosed with sleep disorders like Narcolepsy, Sleep apnea and Shift Worker Sleep Disorder. Modacare 300 mg has the potential to cause side effects and interact with a number of medications so it should only be used under the supervision of a qualified healthcare provider. Do not exceed the recommended dose as it has the potential for abuse and dependency.
FAQs
1. What are the severe side effects of Modacare 300 mg?
The severe side effects of Modacare 300 mg are severe allergic reactions, aggressive behavior, hallucinations, etc.
2. What special dietary instructions should be followed when using Modafinil?
Avoid alcohol, grapefruit or grapefruit juice, caffeine when using Modafinil.
3. What are the interactions of Modacare 300 mg?
Modacare 300 mg should not be used in combination with anticoagulants, hormonal contraceptives, opioids, seizure medications, etc.
4. Is Modacare 300 mg safe?
Modacare 300 mg is generally safe and effective when used as prescribed.
5. When should Modafinil be used for shift worker sleep disorder?
Modafinil should be used an hour before the shift for Shift Worker Sleep Disorder.








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