Description
If you mean Vilafinil 400 mg tablet, available product information identifies it as modafinil 400 mg, a wakefulness-promoting CNS medicine.
What it is used for
Modafinil is primarily prescribed for excessive daytime sleepiness associated with:
- Narcolepsy
- Obstructive sleep apnea
- Shift-work sleep disorder
About the 400 mg dose
400 mg/day is the upper end of commonly referenced adult dosing, while 200 mg/day is a usual starting dose.
A 400 mg tablet is therefore a relatively high-strength tablet and should not be taken or increased without a doctor’s direction.
Common side effects
Possible effects include:
- Headache
- Nausea
- Anxiety/jitteriness
- Insomnia
- Dry mouth
- Dizziness
- Reduced appetite
Rarely, serious allergic or skin reactions can occur. Seek urgent medical attention for a widespread rash, blistering/peeling skin, facial swelling, or difficulty breathing.
Important precautions
Modafinil can interact with other medicines, including some hormonal contraceptives and several medicines metabolized by liver enzymes. It can also affect sleep and alertness. Don’t use it simply as a substitute for adequate sleep or for studying/fatigue without medical advice.
One important point: I found evidence for Vilafinil 400 mg being marketed as modafinil 400 mg, but the more established Vilafinil listing I found is for 20 mg, so packaging/manufacturer should be verified before taking it.
If you send me a photo of the Vilafinil 400 mg strip/box, I can identify the manufacturer, exact composition, uses, dosage, side effects, and whether the product looks legitimate.
What it is used for
Modafinil is primarily prescribed for excessive daytime sleepiness associated with:
- Narcolepsy
- Obstructive sleep apnea
- Shift-work sleep disorder
About the 400 mg dose
400 mg/day is the upper end of commonly referenced adult dosing, while 200 mg/day is a usual starting dose.
A 400 mg tablet is therefore a relatively high-strength tablet and should not be taken or increased without a doctor’s direction.
Common side effects
Possible effects include:
- Headache
- Nausea
- Anxiety/jitteriness
- Insomnia
- Dry mouth
- Dizziness
- Reduced appetite
Rarely, serious allergic or skin reactions can occur. Seek urgent medical attention for a widespread rash, blistering/peeling skin, facial swelling, or difficulty breathing.
Important precautions
Modafinil can interact with other medicines, including some hormonal contraceptives and several medicines metabolized by liver enzymes. It can also affect sleep and alertness. Don’t use it simply as a substitute for adequate sleep or for studying/fatigue without medical advice.
One important point: I found evidence for Vilafinil 400 mg being marketed as modafinil 400 mg, but the more established Vilafinil listing I found is for 20 mg, so packaging/manufacturer should be verified before taking it.
If you send me a photo of the Vilafinil 400 mg strip/box, I can identify the manufacturer, exact composition, uses, dosage, side effects, and whether the product looks legitimate.
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