Drug interactions
Dexamethasone-neomycin-polymyxin + Loratadine
Severity: Minor
Dexamethasone-neomycin-polymyxin and Loratadine: 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
Dexamethasone may induce CYP3A4 and slightly lower loratadine concentrations. Clinical consequences are unlikely given loratadine's wide safety margin.
What this interaction means in plain words
Dexamethasone-neomycin-polymyxin and Loratadine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dexamethasone-neomycin-polymyxin belongs to Anti Bacterial; Loratadine belongs to Respiratory.
Why it happens
Possible CYP3A4 induction by dexamethasone increasing loratadine metabolism.
What to do
No dose adjustment is needed; reassess if antihistamine response appears reduced.
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
Other interactions of Loratadine
- Acrivastine + Loratadine Moderate
- Amobarbital + Loratadine Moderate
- Fentanyl + Loratadine Moderate
- Isocarboxazid + Loratadine Moderate
- Levoketoconazole + Loratadine Moderate
- Loratadine + Mavacamten Moderate
Frequently asked questions
Can I take Dexamethasone-neomycin-polymyxin with Loratadine?
MediHelp rates the interaction as minor. Dexamethasone-neomycin-polymyxin and Loratadine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dexamethasone may induce CYP3A4 and slightly lower loratadine concentrations. Clinical consequences are unlikely given loratadine's wide safety margin.
How serious is the interaction between Dexamethasone-neomycin-polymyxin and Loratadine?
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 dose adjustment is needed; reassess if antihistamine response appears reduced.
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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