Drug interactions
Didanosine + Tinidazole
Severity: Moderate
Didanosine and Tinidazole: moderate 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
Both drugs can cause peripheral neuropathy, so combined use may increase the incidence or severity of nerve damage. Didanosine neuropathy can be dose-limiting and slow to resolve.
What this interaction means in plain words
Didanosine and Tinidazole can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Didanosine belongs to Anti Virals; Tinidazole belongs to Anti Parasitic.
Why it happens
Additive neurotoxicity: didanosine causes mitochondrial toxicity in neurons, while nitroimidazoles can cause neuropathy.
What to do
Use the shortest tinidazole course possible and monitor for numbness, tingling or pain. Stop or change one agent if neuropathy develops.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Didanosine
- Didanosine + Elvitegravir / cobicistat / emtricitabine / tenofovir df Contraindicated
- Didanosine + Hydroxycarbamide Contraindicated
- Didanosine + Ribavirin Contraindicated
- Didanosine + Stavudine Contraindicated
- Allopurinol + Didanosine Major
- Atidarsagene autotemcel + Didanosine Major
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 Didanosine with Tinidazole?
MediHelp rates the interaction as moderate. Didanosine and Tinidazole can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both drugs can cause peripheral neuropathy, so combined use may increase the incidence or severity of nerve damage. Didanosine neuropathy can be dose-limiting and slow to resolve.
How serious is the interaction between Didanosine and Tinidazole?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the shortest tinidazole course possible and monitor for numbness, tingling or pain. Stop or change one agent if neuropathy develops.
What other medicines interact with Didanosine?
MediHelp also lists interactions of Didanosine with, for example, Elvitegravir / cobicistat / emtricitabine / tenofovir df, Hydroxycarbamide, Ribavirin. The full list is on the Didanosine page.
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