Drug interactions
Dexamethasone + Tinidazole
Severity: Minor
Dexamethasone and Tinidazole: 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 is a mild to moderate CYP3A4 inducer and may modestly increase the clearance of tinidazole. The effect on antimicrobial efficacy is probably small and is predicted from the mechanism.
What this interaction means in plain words
Dexamethasone and Tinidazole 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 belongs to Endocrine; Tinidazole belongs to Anti Parasitic.
Why it happens
Dexamethasone induces CYP3A4, which may increase metabolism of tinidazole.
What to do
No routine dose change is needed; monitor clinical response to tinidazole if prolonged high-dose steroids are used.
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 Tinidazole
- Disulfiram + Tinidazole Contraindicated
- Ethanol + Tinidazole Major
- Fexinidazole + Tinidazole Major
- Lopinavir + Tinidazole Major
- Nilotinib + Tinidazole Major
- Ritonavir + Tinidazole Major
Other interactions of Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Frequently asked questions
Can I take Dexamethasone with Tinidazole?
MediHelp rates the interaction as minor. Dexamethasone and Tinidazole 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 is a mild to moderate CYP3A4 inducer and may modestly increase the clearance of tinidazole. The effect on antimicrobial efficacy is probably small and is predicted from the mechanism.
How serious is the interaction between Dexamethasone and Tinidazole?
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 routine dose change is needed; monitor clinical response to tinidazole if prolonged high-dose steroids are used.
What other medicines interact with Tinidazole?
MediHelp also lists interactions of Tinidazole with, for example, Disulfiram, Ethanol, Fexinidazole. The full list is on the Tinidazole page.
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