NSAID (preferential COX-2 inhibitor)
Meloxicam and grapefruit: a real interaction?
Grapefruit is famous as the juice that interacts with medications, and the warning is real for a number of drugs. Whether it matters specifically for Meloxicam (Meloxicam) at 7.5mg, 15mg depends on whether the active ingredient Meloxicam is metabolised by CYP3A4 in the gut wall and how much that pathway contributes to first-pass metabolism.
The CYP3A4 mechanism
Grapefruit (and its juice) inhibits CYP3A4 enzymes in the gut wall, increasing the absorbed dose of medications metabolised by that enzyme. For drugs in the NSAID (preferential COX-2 inhibitor) class that go through CYP3A4 first-pass metabolism, regular grapefruit consumption can raise plasma levels of Meloxicam by a clinically meaningful margin and amplify side effects.
What to do with Meloxicam
According to the prescribing information for Meloxicam, if grapefruit is flagged as an interaction, the safest practice is to avoid grapefruit entirely or to discuss timing with the prescriber. Meloxicam inhibits cyclooxygenase enzymes with a preference for COX-2 at low therapeutic doses. A small occasional serving may be tolerable; daily large servings around the time of Meloxicam dosing are not recommended at 7.5mg, 15mg.
Frequently asked questions
Can I eat grapefruit while on Meloxicam? ▾
For some NSAID (preferential COX-2 inhibitor) medications, grapefruit is best avoided or limited because of CYP3A4 inhibition. Whether Meloxicam specifically is affected depends on Meloxicam; the prescribing information lists this. When in doubt, ask the pharmacist or check the patient leaflet.
How much grapefruit is too much with Meloxicam? ▾
For drugs where the interaction matters, even modest daily grapefruit intake (one whole grapefruit or one large glass of juice) can shift drug levels noticeably. For Meloxicam at 7.5mg, 15mg, individual tolerance varies; the cautious choice is to avoid grapefruit if any interaction is mentioned.
Products containing Meloxicam
More on Meloxicam
- With alcoholMeloxicam and alcohol — is it safe to drink?
- With foodShould Meloxicam be taken with food?
- Side effectsMeloxicam side effects: common, rare and warning signs
- Dosage guideMeloxicam dosage guide: how much to take and when
- OnsetHow fast does Meloxicam start working?
- DurationHow long does Meloxicam last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.