Drug interactions
Nizatidine + Saquinavir
Severity: Minor
Nizatidine and Saquinavir: 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
Acid suppressants can increase saquinavir exposure, as shown with omeprazole. An analogous effect with nizatidine has not been established, and no important consequence is expected.
What this interaction means in plain words
Nizatidine and Saquinavir 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
Mechanism is not established; altered gastric pH may affect saquinavir absorption.
What to do
No adjustment is generally required. Monitor for saquinavir adverse effects, including QT prolongation, if boosted regimens 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 Nizatidine
- Atazanavir + Nizatidine Major
- Dasatinib + Nizatidine Major
- Erlotinib + Nizatidine Major
- Itraconazole + Nizatidine Major
- Ketoconazole + Nizatidine Major
- Nizatidine + Pazopanib Major
Frequently asked questions
Can I take Nizatidine with Saquinavir?
MediHelp rates the interaction as minor. Nizatidine and Saquinavir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Acid suppressants can increase saquinavir exposure, as shown with omeprazole. An analogous effect with nizatidine has not been established, and no important consequence is expected.
How serious is the interaction between Nizatidine and Saquinavir?
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 adjustment is generally required. Monitor for saquinavir adverse effects, including QT prolongation, if boosted regimens are used.
What other medicines interact with Nizatidine?
MediHelp also lists interactions of Nizatidine with, for example, Atazanavir, Dasatinib, Erlotinib. The full list is on the Nizatidine page.
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