What is Phenytoin Extended Release 300 mg?
Phenytoin Extended Release 300 mg is a prescription medication formulated to treat seizure disorders and nerve pain conditions. It contains the active ingredient phenytoin, which belongs to a class of drugs known as anticonvulsants. This extended-release formulation is designed to provide a steady release of the medication, helping to maintain consistent blood levels and improve symptom control over time.
Manufactured by Abbott India Pvt. Ltd., this product is widely used by healthcare professionals in Canada for its reliable and sustained therapeutic effects. The medication is intended to manage various types of seizures and symptoms associated with trigeminal neuralgia, ensuring patients experience fewer interruptions due to dosing frequencies.
Uses of Phenytoin Extended Release 300 mg
- Control and prevention of tonic-clonic (grand mal) seizures
- Management of partial seizures with complex symptomatology
- Treatment of trigeminal neuralgia to relieve nerve pain
How Phenytoin Extended Release 300 mg Works
Phenytoin works by stabilizing the electrical activity in the brain. It reduces the excessive nerve impulses that cause seizures by blocking voltage-sensitive sodium channels in neural membranes. This action helps to prevent sudden electrical disturbances and maintains balance in nerve cell activity.
The extended-release formulation ensures that phenytoin is gradually absorbed into the bloodstream, maintaining effective drug levels for extended periods. This supports better seizure control and provides consistent relief from nerve pain with fewer doses throughout the day.
Benefits of Phenytoin Extended Release 300 mg
- Provides long-lasting seizure control with fewer daily doses
- Helps reduce frequency and severity of seizures
- Effective relief from trigeminal neuralgia pain
- Improves patient compliance due to extended-release formulation
- Manufactured under strict quality standards ensuring safety and efficacy
Dosage and Administration
Phenytoin Extended Release 300 mg should be taken exactly as prescribed by a healthcare provider. The usual dosing depends on the patient's medical condition and response to therapy. It is typically administered once or twice daily with food to reduce stomach upset.
Do not crush or chew the tablets; swallow them whole for proper extended release. Regular blood tests may be necessary to monitor phenytoin levels and adjust dosage accordingly. Never alter the dose without consulting your doctor.
Who Should Use Phenytoin Extended Release 300 mg?
This medication is suitable for patients diagnosed with seizure disorders requiring long-term management and individuals suffering from trigeminal neuralgia. It is intended for adult use under medical supervision to ensure safety and efficacy.
Who Should Avoid Phenytoin Extended Release 300 mg?
Patients with known hypersensitivity to phenytoin or any component of the formulation should avoid this medication. It is also contraindicated in individuals with certain heart conditions such as sinoatrial block or Adams-Stokes syndrome. Caution is advised in pregnant or breastfeeding women unless the benefits outweigh the risks, as determined by a healthcare provider.
Side Effects
- Dizziness
- Drowsiness
- Headache
- Nausea
- Vomiting
- Constipation
- Gingival hyperplasia (gum swelling)
- Blurred vision
- Loss of coordination
- Rash or skin reactions
Safety Advice
- Inform your doctor about all medical conditions before starting treatment
- Do not abruptly stop taking phenytoin to avoid seizure recurrence
- Avoid driving or operating heavy machinery until you know how the drug affects you
- Notify your healthcare provider immediately if you experience rash or signs of allergic reaction
- Regularly monitor blood levels and liver function as advised
- Inform your doctor about all other medications to prevent interactions
- Maintain proper oral hygiene to prevent gum problems
Drug Interactions
- Warfarin and other blood thinners
- Phenytoin interacts with certain antibiotics like rifampin
- Antifungal medications such as ketoconazole
- Some antidepressants and antipsychotics
- Oral contraceptives may have reduced effectiveness
- Other anticonvulsants like carbamazepine or valproic acid
Storage Instructions
Store Phenytoin Extended Release 300 mg tablets in a cool, dry place away from direct sunlight and moisture. Keep the medication in its original container with the lid tightly closed. Keep out of reach of children. Avoid storing in bathroom or other humid areas.
Where to buy Phenytoin Extended Release 300 mg in Canada?
Phenytoin Extended Release 300 mg can be purchased at licensed Canadian pharmacies with a valid prescription from a healthcare professional. It is available both in physical stores and through reputable online pharmacy platforms. Always ensure you buy from authorized suppliers to guarantee product authenticity and safety.
Frequently Asked Questions (FAQ)
Is Phenytoin Extended Release 300 mg available in Canada?
Yes, Phenytoin Extended Release 300 mg is available in Canada and can be obtained with a prescription from licensed pharmacies.
What is the price of Phenytoin Extended Release 300 mg in Canada?
Prices may vary depending on the pharmacy and insurance coverage. It is advisable to check with local pharmacies or online sources for the most accurate pricing information.
What happens if I miss a dose?
If you miss a dose, take it as soon as you remember unless it is near the time for your next dose. Do not double doses to make up for a missed one. Consult your healthcare provider if you are unsure.
Where can I find Phenytoin Extended Release 300 mg for sale?
You can find Phenytoin Extended Release 300 mg at licensed pharmacies in Canada or through authorized online pharmacy services requiring a prescription.
Can I take Phenytoin Extended Release 300 mg with other medications?
Phenytoin can interact with many medications. Always inform your doctor of all medicines you are taking before starting phenytoin to avoid harmful interactions.
Is it safe to use Phenytoin Extended Release 300 mg during pregnancy?
Use during pregnancy should be discussed with your healthcare provider, as phenytoin can pose risks to the unborn baby. Your doctor will weigh the benefits and risks before recommending treatment.
How long does it take for Phenytoin Extended Release 300 mg to work?
Phenytoin Extended Release 300 mg may require several days to reach effective blood levels. Consistent use as prescribed is necessary for optimal seizure control and pain relief.
Conclusion
Phenytoin Extended Release 300 mg is a trusted medication for managing seizures and trigeminal neuralgia. Its extended-release formula ensures steady therapeutic effects with convenient dosing. Manufactured by Abbott India Pvt. Ltd. and available in Canada, it provides effective symptom control when used correctly under medical supervision. Always follow your healthcare provider’s instructions and report any concerns promptly to achieve the best treatment outcomes.
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