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Phenytoin

Phenytoin (often known by the brand Dilantin) is a medication used to manage specific types of seizures. It serves as a cornerstone in neurological care for those needing consistent electrical stabilisation in the brain. This listing provides access to available formulations, including common brands and standard tablet options for patients.

Dilantin

Tonic-clonic Seizure, Focal Seizure

100mg

Phenytoin 100mg tablets, used in the management of tonic-clonic and focal seizures. A hydantoin that stabilises the membrane of the neurone.

From$0.43/ tabletView

Key points

  • A hydantoin anticonvulsant that stabilises neuronal membranes to stop nerve cells firing repeatedly during a seizure.
  • Used to manage tonic-clonic seizures and sometimes added when other treatments for focal seizures need extra support.
  • Needs stable blood levels to work properly, making it important to stick consistently with one brand or generic version.

What is Phenytoin?

Phenytoin is a hydantoin anticonvulsant medication. It acts by stabilising neuronal membranes to prevent the repetitive firing of cells that characterises certain neurological conditions. Because it requires steady blood levels to function correctly, consistent adherence to the chosen brand or generic form is essential.

What Phenytoin is used for

This medication is primarily indicated for patients managing Tonic-clonic Seizure symptoms. It is also a treatment option for Focal Seizure activity where other interventions may require support. By modulating nerve sensitivity, it assists in reducing the frequency of uncontrolled electrical events within the brain.

How does Phenytoin work?

Phenytoin modulates sodium channels in the brain. By slowing down the rate at which nerve cells discharge, it prevents the rapid, repeated electrical impulses that cause a seizure. This ensures the nervous system maintains more stable activity patterns throughout the day.

Phenytoin brands and forms

Manufacturers produce this medication as both the originator, such as Epanutin, and various generic equivalents like Dilantin. Patients often choose between these based on long-term stability and specific manufacturer sourcing. Within the broader field of Neurology, it remains a standard choice. Currently, this medication is available in Tablet form.

Safety overview for Phenytoin

What to check before using this medicine

Discuss your medical history with a doctor, particularly regarding liver or kidney health, before starting or changing your treatment. Ensure you disclose all existing medications to avoid potential interference. Stability in blood levels is key, so consistent dosing times are typically recommended.

Possible reactions and tolerability

Some individuals may experience mild skin rashes, dizziness, or drowsiness as the body adjusts. Rarely, more significant sensitivities may occur. If you notice persistent changes or unexpected physical symptoms, seek medical guidance promptly to evaluate your responsiveness.

Interactions and health factors

Various substances and existing health conditions can alter how the body processes anticonvulsants. Be mindful of potential shifts if you consume alcohol, have poor nutritional status, or are managing concurrent metabolic or thyroid-related health issues.

Further reading