Gabapentin: here's the fair price
This is what US pharmacies pay, on average, for gabapentin. Use it to spot a fair cash price, and feel good about asking for one.
Gabapentin 100 Mg Capsule
A fair cash price is usually this cost plus a dispensing fee. If your quote is many times higher, ask about a generic, another pharmacy, or a cash discount.
Ask for generic Gabapentin 100 Mg Capsule. Pharmacies pay about $0.66 for 30. Ask your pharmacy for its cash price and compare it with your copay. A fair cash price is close to this cost plus a dispensing fee.
Source: CMS NADAC as of 2026-11-04. Ask your prescriber or pharmacist whether a generic is right for you.
Source: CMS NADAC weekly file as of 2026-11-04. Median across NDCs with the same description. Public domain.
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Every strength and form
| Product | Pharmacy cost | 30 count | Effective |
|---|---|---|---|
| GABAPENTIN 100 MG CAPSULEGeneric | $0.02 per tablet or capsule | $0.66 | 10/28/2026 |
| GABAPENTIN 300 MG CAPSULEGeneric | $0.03 per tablet or capsule | $0.98 | 10/28/2026 |
| GABAPENTIN 400 MG CAPSULEGeneric | $0.04 per tablet or capsule | $1.29 | 10/21/2026 |
| GABAPENTIN 600 MG TABLETGeneric | $0.06 per tablet or capsule | $1.92 | 10/21/2026 |
| GABAPENTIN 250 MG/5 ML SOLNGeneric | $0.08 per mL | n/a | 10/21/2026 |
| GABAPENTIN 800 MG TABLETGeneric | $0.09 per tablet or capsule | $2.58 | 10/21/2026 |
| GABAPENTIN ER 300 MG TABLETGeneric | $0.62 per tablet or capsule | $18.68 | 10/21/2026 |
| GABAPENTIN ER 600 MG TABLETGeneric | $1.11 per tablet or capsule | $33.19 | 10/21/2026 |
Source: CMS NADAC, as of 2026-11-04. National average acquisition cost, not a retail quote.
Label basics
What it is used for (FDA label)
1 INDICATIONS AND USAGE Gabapentin Capsules, USP are indicated for: Management of postherpetic neuralgia in adults Adjunctive therapy in the treatment of partial onset seizures, with and without secondary generalization, in adults and pediatric patients 3 years and older with epilepsy Gabapentin Capsules, USP are indicated for Postherpetic neuralgia in adults (1) Adjunctive therapy in the treatment of partial onset seizures, with and without secondary generalization, in adults and pediatric patients 3 years and older with epilepsy (1)
Common side effects (FDA label)
6 ADVERSE REACTIONS The following serious adverse reactions are discussed in greater detail in other sections: Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)/Multiorgan Hypersensitivity [see Warnings and Precautions (5.1) ] Anaphylaxis and Angioedema [see Warnings and Precautions (5.2) ] Somnolence/Sedation and Dizziness [see see Warnings and Precautions (5.4) ] Withdrawal Precipitated Seizure, Status Epilepticus [see see Warnings and Precautions (5.5) ] Suicidal Behavior and Ideation [see see Warnings and Precautions (5.6) ] Respiratory Depression [see Warnings and Precautions...
Drug interactions (from the label)
7 DRUG INTERACTIONS Concentrations increased by morphine; may need dose adjustment (5.4, 7.1 ) 7.1 Opioids Respiratory depression and sedation, sometimes resulting in death, have been reported following coadministration of gabapentin with opioids (e.g., morphine, hydrocodone, oxycodone, buprenorphine) [ see Warnings and Precautions (5.7) ]. Hydrocodone Coadministration of gabapentin with hydrocodone decreases hydrocodone exposure [ see Clinical Pharmacology (12.3) ]. The potential for alteration in hydrocodone exposure and effect should be considered when gabapentin is started or discontinued in a patient taking hydrocodone. Morphine When gabapentin is administered with morphine, patients...
Warnings (from the label)
5 WARNINGS AND PRECAUTIONS Drug Reaction with Eosinophilia and Systemic Symptoms (Multiorgan hypersensitivity): Discontinue if alternative etiology is not be established (5.1) Anaphylaxis and Angioedema: Discontinue and evaluate patient immediately (5.2) Driving impairment; Somnolence/Sedation and Dizziness: Warn patients not to drive until they have gained sufficient experience to assess whether their ability to drive or operate heavy machinery will be impaired (5.3, 5.4) Increased seizure frequency may occur in patients with seizure disorders if Gabapentin is abruptly discontinued (5.5) Suicidal Behavior and Ideation: Monitor for suicidal thoughts / behavior (5.6) Respiratory depression:...
Source: FDA drug label via openFDA, label effective 2024-04-02. Full label on DailyMed. Excerpts are verbatim and truncated. Read the full label and ask your pharmacist.