Drug interactions
Dexamethasone-tobramycin + Haemophilus influenzae type b vaccine
Severity: Minor
Dexamethasone-tobramycin 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 corticosteroids can blunt antibody responses to vaccines. Hib vaccine is a non-live conjugate vaccine and is not unsafe, but immunogenicity may be lower. Ophthalmic use has negligible systemic effect.
What this interaction means in plain words
Dexamethasone-tobramycin 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
Immunosuppression by glucocorticoids reduces vaccine-induced antibody response.
What to do
No action is needed for ophthalmic use. If high-dose systemic steroids are used, vaccinate when possible before or after therapy and consider revaccination if immunocompetence is a concern.
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-tobramycin
Frequently asked questions
Can I take Dexamethasone-tobramycin with Haemophilus influenzae type b vaccine?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin 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 corticosteroids can blunt antibody responses to vaccines. Hib vaccine is a non-live conjugate vaccine and is not unsafe, but immunogenicity may be lower. Ophthalmic use has negligible systemic effect.
How serious is the interaction between Dexamethasone-tobramycin 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 action is needed for ophthalmic use. If high-dose systemic steroids are used, vaccinate when possible before or after therapy and consider revaccination if immunocompetence is a concern.
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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