Drug interactions
Dexamethasone-neomycin-polymyxin + Ketorolac
Severity: Major
Dexamethasone-neomycin-polymyxin and Ketorolac: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Ketorolac carries a high intrinsic risk of GI ulceration and bleeding, and corticosteroids add to this risk. The combination is of concern with systemic exposure to dexamethasone.
What this interaction means in plain words
Dexamethasone-neomycin-polymyxin and Ketorolac can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Dexamethasone-neomycin-polymyxin belongs to Anti Bacterial; Ketorolac belongs to Musculoskeletal.
Why it happens
Additive gastrointestinal mucosal injury from corticosteroids and potent NSAID prostaglandin inhibition.
What to do
Keep ketorolac to the shortest course allowed by labeling and consider gastroprotection with a proton pump inhibitor. Avoid in patients with prior ulcer or GI bleed.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Dexamethasone-neomycin-polymyxin
- Dexamethasone-neomycin-polymyxin + Lapatinib Major
- Dexamethasone-neomycin-polymyxin + Levofloxacin Major
- Dexamethasone-neomycin-polymyxin + Mifepristone Major
- Dexamethasone-neomycin-polymyxin + Moxifloxacin Major
- Aldesleukin + Dexamethasone-neomycin-polymyxin Moderate
- Allogeneic cultured keratinocytes / fibroblasts in bovine collagen + Dexamethasone-neomycin-polymyxin Moderate
Other interactions of Ketorolac
- Aceclofenac + Ketorolac Contraindicated
- Acemetacin + Ketorolac Contraindicated
- Acetylsalicylic acid + Ketorolac Contraindicated
- Apixaban + Ketorolac Contraindicated
- Argatroban + Ketorolac Contraindicated
- Aspirin / citric acid / sodium bicarbonate + Ketorolac Contraindicated
Frequently asked questions
Can I take Dexamethasone-neomycin-polymyxin with Ketorolac?
MediHelp rates the interaction as major. Dexamethasone-neomycin-polymyxin and Ketorolac can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Ketorolac carries a high intrinsic risk of GI ulceration and bleeding, and corticosteroids add to this risk. The combination is of concern with systemic exposure to dexamethasone.
How serious is the interaction between Dexamethasone-neomycin-polymyxin and Ketorolac?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Keep ketorolac to the shortest course allowed by labeling and consider gastroprotection with a proton pump inhibitor. Avoid in patients with prior ulcer or GI bleed.
What other medicines interact with Dexamethasone-neomycin-polymyxin?
MediHelp also lists interactions of Dexamethasone-neomycin-polymyxin with, for example, Lapatinib, Levofloxacin, Mifepristone. The full list is on the Dexamethasone-neomycin-polymyxin page.
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