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Active pharmaceutical ingredient

Primidone

Primidone is a well-established anticonvulsant medication primarily used in the management of seizure disorders, including epilepsy.

Compounded to order
Prescription required
Warwick, Rhode Island

About this ingredient

Primidone is a well-established active pharmaceutical ingredient primarily used in the management of seizure disorders, including epilepsy. It is a barbiturate anticonvulsant that works by decreasing abnormal electrical activity in the brain, thereby helping to control seizures. Primidone is often prescribed for patients who have not responded adequately to other antiepileptic drugs, making it a crucial component in personalized treatment plans for epilepsy.

In addition to its anticonvulsant properties, Primidone is sometimes used off-label for the treatment of essential tremor, a neurological disorder characterized by involuntary and rhythmic shaking. This dual functionality makes Primidone a versatile option for prescribers seeking to address multiple neurological conditions with a single medication. Its efficacy in reducing tremor amplitude has been documented, providing relief for patients who may not tolerate or respond to other treatments.

Primidone is metabolized in the liver to phenobarbital and phenylethylmalonamide (PEMA), both of which contribute to its therapeutic effects. This metabolic pathway underscores the importance of monitoring liver function and potential drug interactions in patients receiving Primidone. Prescribers should be aware of the potential for sedation and other central nervous system effects, which may necessitate dosage adjustments or additional patient counseling.

When considering Primidone for treatment, it is essential to evaluate the patient's overall medication regimen to avoid adverse interactions, particularly with other central nervous system depressants. The dosing of Primidone is typically individualized based on the patient's response and tolerance, with careful titration to achieve optimal therapeutic outcomes while minimizing side effects. Regular follow-up and monitoring are recommended to ensure the continued efficacy and safety of Primidone in managing seizure disorders or essential tremor.

Available formulations

Compounded formulations containing this ingredient

Each of these is compounded to order at our Warwick, Rhode Island pharmacy and requires a prescription.

We do not have a patient page for this ingredient yet. That does not mean we cannot make it. Bayview compounds this ingredient to a prescriber's order, and our full compounding formulary lists every preparation we make. Viewing the formulary requires a prescriber account.

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Compounding formulary

Formulas we compound with this ingredient

A sample of preparations from our formulary. Strengths and dose forms are customised to the prescription.

Common questions

Frequently asked questions

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Related

Related active ingredients

Other salt forms of this molecule, and ingredients commonly compounded alongside it.

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Important information

This page describes an active pharmaceutical ingredient, not a finished drug product. Bayview Pharmacy compounds preparations containing it only on a prescriber's order for an individual patient.

Compounded preparations are not FDA-approved, and the FDA has not evaluated them for safety, effectiveness, or manufacturing quality. Nothing on this page is a claim that any preparation is effective for any condition.

A valid prescription is required. Availability depends on Bayview's licensure in your state. This page is general information, not medical advice — discuss your situation with a licensed healthcare provider.

Talk to a compounding pharmacist

Our pharmacists work with prescribers to build preparations around a patient's dose, form and tolerances. Ask us what is possible with this ingredient.