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Active pharmaceutical ingredient

Gabapentin

Gabapentin is a versatile active pharmaceutical ingredient commonly utilized in compounded formulations for its efficacy in managing neuropathic pain and certain types of seizures.

Compounded to order
Prescription required

About this ingredient

Gabapentin is an active pharmaceutical ingredient FDA-approved for postherpetic neuralgia and as adjunctive therapy for partial seizures in adults and children aged 3 and older.[1] It is also used off-label for other conditions, including painful diabetic neuropathy and fibromyalgia.[1] Gabapentin was originally used as a muscle relaxant and antispasmodic, and its anticonvulsant potential was discovered later.[1]

Its mechanism of action involves binding to the alpha-2-delta subunit of voltage-gated calcium channels, which inhibits the release of excitatory neurotransmitters.[1] Although it is structurally similar to GABA, it does not bind directly to GABA receptors.[1]

Common side effects include dizziness, fatigue, somnolence, and peripheral edema.[1] More serious concerns include suicidality, withdrawal seizures if stopped abruptly, and respiratory depression and sedation when combined with opioids.[1] Gabapentin has less than 3% protein binding, undergoes minimal metabolism, and is eliminated primarily by the kidneys, so doses are reduced in renal impairment.[1]

Bayview Pharmacy compounds gabapentin preparations on a prescriber's order, including dosage forms for patients who have difficulty with standard dosage forms.

Compounded at Bayview

How we prepare this ingredient

Patient guides for the preparations we make most often. Each one is compounded to order and requires a prescription.

For prescribers

Full formulary with this ingredient

Every preparation in our formulary that contains this ingredient. Strength, base and dose form are set by 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.

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.