Drug interactions
Dexamethasone-neomycin-polymyxin + Haemophilus influenzae type b vaccine
Severity: Minor
Dexamethasone-neomycin-polymyxin and Haemophilus influenzae type b vaccine: 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 immunosuppressive corticosteroid therapy may blunt the antibody response to vaccines. Topical or ophthalmic dexamethasone has minimal systemic immunosuppression, so impact is unlikely.
What this interaction means in plain words
Dexamethasone-neomycin-polymyxin and Haemophilus influenzae type b vaccine 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 may reduce vaccine antibody response.
What to do
No change is needed for local use; with sustained systemic exposure, consider timing vaccination or revaccinating after immune function recovers.
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 Haemophilus influenzae type b vaccine?
MediHelp rates the interaction as minor. Dexamethasone-neomycin-polymyxin and Haemophilus influenzae type b vaccine 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 immunosuppressive corticosteroid therapy may blunt the antibody response to vaccines. Topical or ophthalmic dexamethasone has minimal systemic immunosuppression, so impact is unlikely.
How serious is the interaction between Dexamethasone-neomycin-polymyxin and Haemophilus influenzae type b vaccine?
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 for local use; with sustained systemic exposure, consider timing vaccination or revaccinating after immune function recovers.
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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