Gabapentin — Drug Interactions, Alcohol & Pregnancy Guide
Last reviewed: · Source: US FDA drug label database · 247CanITakeWith Editorial Team
- Gabapentin is a Anticonvulsant / Gabapentinoid used for Neuropathic pain.
- Alcohol: Avoid — gabapentin and alcohol both depress the CNS, and together significantly increase sedation and overdose risk.
- This page covers 2 specific drug combinations with Gabapentin.
About Gabapentin
Gabapentin is a controlled drug (Class C, Schedule 3) in the UK, used for nerve pain and epilepsy. It has significant potential for misuse and is dangerous in combination with opioids and alcohol. UK drug safety data shows significant overdose mortality when combined with opioids.
Also sold as: Neurontin
Gabapentin at a glance
Gabapentin is classed as anticonvulsant / gabapentinoid and is used for neuropathic pain, epilepsy, anxiety (off-label). It is a prescription medicine, so doses and combinations should always be agreed with your prescriber or pharmacist.
Typical adult dosing guidance: 300-1200mg three times daily depending on indication. Your own label or prescription always takes priority over general figures.
Interactions most often flagged
- Tramadol
- Alcohol
- Opioids
- Pregabalin
Before you combine Gabapentin with anything new
- Read the patient information leaflet for both products.
- Keep one up-to-date list of every medicine and supplement you take.
- Ask a pharmacist — it is free and takes a couple of minutes.
- Seek urgent medical help if you feel seriously unwell after combining medicines.
Gabapentin and Alcohol
Avoid — gabapentin and alcohol both depress the CNS, and together significantly increase sedation and overdose risk.
Full guide →Gabapentin — Drug Combinations
More in this category: neuropathic
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Frequently Asked Questions
What is Gabapentin used for?
Gabapentin is a Anticonvulsant / Gabapentinoid used for Neuropathic pain, Epilepsy, Anxiety (off-label).
What is the maximum adult dose of Gabapentin?
The maximum adult dose is 300-1200mg three times daily depending on indication. This is general guidance — always follow the dose on your prescription or product label, and check with a pharmacist if you're unsure.
Can I drink alcohol with Gabapentin?
Avoid — gabapentin and alcohol both depress the CNS, and together significantly increase sedation and overdose risk.
Is Gabapentin available over the counter in the UK?
Gabapentin is prescription-only in the UK.
What should I check before taking Gabapentin with other medicines?
The interactions most often flagged for Gabapentin are: tramadol, alcohol, opioids, pregabalin. Tell your pharmacist or prescriber about everything you take, including over-the-counter products, supplements and herbal remedies, before combining it with anything new.
What are the brand names for Gabapentin?
Gabapentin is sold under brand names including Neurontin. The active ingredient is the same, so check labels carefully to avoid doubling up on it.
Do I need a prescription for Gabapentin?
Gabapentin is a prescription medicine, so take it exactly as your prescriber directed and ask them before changing the dose.
Not sure if Gabapentin is safe with your other medications?
HealthLabs.com lets you check liver enzyme or kidney function levels before combining medications long-term — no GP referral needed.
Check your levels at HealthLabs →Always speak to your pharmacist or GP for personalised medical advice. Affiliate link — we may earn a commission.