Drug interactions
Dexamethasone-tobramycin + Ketorolac intranasal
Severity: Moderate
Dexamethasone-tobramycin and Ketorolac intranasal: moderate 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
Corticosteroids combined with NSAIDs increase the risk of gastrointestinal ulceration and bleeding. Systemic ketorolac exposure from the nasal spray is real, and the risk is greater with the dexamethasone systemic route.
What this interaction means in plain words
Dexamethasone-tobramycin and Ketorolac intranasal can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive gastric mucosal injury from NSAID prostaglandin inhibition and corticosteroid effects on mucosal repair.
What to do
Limit duration of use and consider gastroprotection with a proton pump inhibitor in high-risk patients. Monitor for GI bleeding signs.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Dexamethasone-tobramycin
Frequently asked questions
Can I take Dexamethasone-tobramycin with Ketorolac intranasal?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Ketorolac intranasal can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Corticosteroids combined with NSAIDs increase the risk of gastrointestinal ulceration and bleeding. Systemic ketorolac exposure from the nasal spray is real, and the risk is greater with the dexamethasone systemic route.
How serious is the interaction between Dexamethasone-tobramycin and Ketorolac intranasal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit duration of use and consider gastroprotection with a proton pump inhibitor in high-risk patients. Monitor for GI bleeding signs.
What other medicines interact with Dexamethasone-tobramycin?
MediHelp also lists interactions of Dexamethasone-tobramycin with, for example, Capreomycin, Carboplatin, Ciprofloxacin. The full list is on the Dexamethasone-tobramycin page.
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