Gabapentinoid (alpha-2-delta ligand)
Pregabalin drug interactions: a practical overview
Drug interactions are the single biggest cause of preventable medication problems. Pregabalin (Pregabalin) interacts to varying degrees with several classes of medication and with a smaller list of foods. This page summarises the practically important ones at 25mg, 50mg, 75mg, 100mg, 150mg, 200mg, framed for a real-world prescription review rather than an exhaustive PDF list.
High-priority interactions for Pregabalin
For Pregabalin, the most clinically relevant interactions are typically with strong CYP3A4 inhibitors and inducers, with cardiovascular medications (notably nitrates for several Gabapentinoid (alpha-2-delta ligand) agents), with central nervous system depressants, and with medications affecting blood pressure or heart rate. Pregabalin binds the alpha-2-delta auxiliary subunit of voltage-gated calcium channels in the central nervous system, reducing presynaptic calcium influx and the release of excitatory neurotransmitter…
Working with the pharmacist
A pharmacist review of all current medications is the practical safeguard against unintended interactions with Pregabalin. According to the prescribing information for Pregabalin, the full medication list — prescription, OTC, supplements and recreational substances — should be reviewed before starting and at every dose change at 25mg, 50mg, 75mg, 100mg, 150mg, 200mg.
Frequently asked questions
What's the most important Pregabalin interaction to know? ▾
For most Gabapentinoid (alpha-2-delta ligand) medications, the highest-priority interaction is with nitrate medications used for chest pain — this combination is often a hard contraindication. After that, strong CYP3A4 inhibitors (some antifungals, macrolides) are the next concern at routine 25mg, 50mg, 75mg, 100mg, 150mg, 200mg doses.
Do I need to tell the pharmacist about supplements? ▾
Yes. Supplements and herbal products can interact with Pregabalin in ways that prescription drug-drug interaction databases miss. The pharmacist needs the complete picture — including supplements like St John's Wort, grapefruit-containing products and high-dose vitamins — to flag risks at 25mg, 50mg, 75mg, 100mg, 150mg, 200mg.
Products containing Pregabalin
More on Pregabalin
- With alcoholPregabalin and alcohol — is it safe to drink?
- With foodShould Pregabalin be taken with food?
- Side effectsPregabalin side effects: common, rare and warning signs
- Dosage guidePregabalin dosage guide: how much to take and when
- OnsetHow fast does Pregabalin start working?
- DurationHow long does Pregabalin last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.