Drug interactions
Conivaptan + Tinidazole
Severity: Minor
Conivaptan 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
Conivaptan is a CYP3A4 inhibitor and could raise tinidazole exposure, since tinidazole is partly metabolized by CYP3A4. The expected increase is modest and tinidazole has a wide margin of safety with short courses.
What this interaction means in plain words
Conivaptan 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.
Why it happens
Conivaptan inhibits CYP3A4, reducing the metabolic clearance of tinidazole.
What to do
No dose change is usually required for a standard tinidazole course; watch for nausea, metallic taste or neurological symptoms if therapy is prolonged.
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
Frequently asked questions
Can I take Conivaptan with Tinidazole?
MediHelp rates the interaction as minor. Conivaptan 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. Conivaptan is a CYP3A4 inhibitor and could raise tinidazole exposure, since tinidazole is partly metabolized by CYP3A4. The expected increase is modest and tinidazole has a wide margin of safety with short courses.
How serious is the interaction between Conivaptan 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 dose change is usually required for a standard tinidazole course; watch for nausea, metallic taste or neurological symptoms if therapy is prolonged.
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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