Drug interactions
Dexamethasone-tobramycin + Diclofenac
Severity: Moderate
Dexamethasone-tobramycin and Diclofenac: 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
Systemic corticosteroids combined with NSAIDs like diclofenac increase the risk of gastrointestinal ulceration and bleeding. Exposure from topical or ophthalmic dexamethasone is low, so the concern mainly applies to systemic use.
What this interaction means in plain words
Dexamethasone-tobramycin and Diclofenac 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.
Dexamethasone-tobramycin belongs to Anti Bacterial; Diclofenac belongs to Musculoskeletal.
Why it happens
Additive gastric mucosal injury from reduced prostaglandin protection and impaired healing.
What to do
Use the lowest effective doses for the shortest duration and consider a proton pump inhibitor in high-risk patients. Monitor for GI bleeding.
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
Other interactions of Diclofenac
- Diclofenac + Ketorolac Contraindicated
- Diclofenac + Ketorolac intranasal Contraindicated
- Aceclofenac + Diclofenac Major
- Acemetacin + Diclofenac Major
- Alteplase + Diclofenac Major
- Amiloride + Diclofenac Major
Frequently asked questions
Can I take Dexamethasone-tobramycin with Diclofenac?
MediHelp rates the interaction as moderate. Dexamethasone-tobramycin and Diclofenac 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. Systemic corticosteroids combined with NSAIDs like diclofenac increase the risk of gastrointestinal ulceration and bleeding. Exposure from topical or ophthalmic dexamethasone is low, so the concern mainly applies to systemic use.
How serious is the interaction between Dexamethasone-tobramycin and Diclofenac?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective doses for the shortest duration and consider a proton pump inhibitor in high-risk patients. Monitor for GI bleeding.
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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