Drug interactions
Dexamethasone-neomycin-polymyxin + Diphtheria and tetanus toxoids
Severity: Minor
Dexamethasone-neomycin-polymyxin and Diphtheria and tetanus toxoids: minor 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 may reduce the antibody response to toxoid vaccines. With ophthalmic or topical use, systemic exposure is minimal, so any effect is unlikely to matter.
What this interaction means in plain words
Dexamethasone-neomycin-polymyxin and Diphtheria and tetanus toxoids have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Corticosteroid immunosuppression could blunt vaccine response, but only with significant systemic exposure.
What to do
No change is needed; vaccinate as scheduled. Consider checking the response if significant systemic corticosteroid exposure occurs.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Dexamethasone-neomycin-polymyxin
- Dexamethasone-neomycin-polymyxin + Ketorolac Major
- 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
Frequently asked questions
Can I take Dexamethasone-neomycin-polymyxin with Diphtheria and tetanus toxoids?
MediHelp rates the interaction as minor. Dexamethasone-neomycin-polymyxin and Diphtheria and tetanus toxoids have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Systemic corticosteroids may reduce the antibody response to toxoid vaccines. With ophthalmic or topical use, systemic exposure is minimal, so any effect is unlikely to matter.
How serious is the interaction between Dexamethasone-neomycin-polymyxin and Diphtheria and tetanus toxoids?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No change is needed; vaccinate as scheduled. Consider checking the response if significant systemic corticosteroid exposure occurs.
What other medicines interact with Dexamethasone-neomycin-polymyxin?
MediHelp also lists interactions of Dexamethasone-neomycin-polymyxin with, for example, Ketorolac, Lapatinib, Levofloxacin. The full list is on the Dexamethasone-neomycin-polymyxin page.
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