Drug interactions
Dabrafenib + Nizatidine
Severity: Moderate
Dabrafenib and Nizatidine: 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
Dabrafenib solubility falls as gastric pH rises, so acid-reducing drugs such as H2 blockers may lower its absorption. The clinical effect on efficacy is uncertain, but reduced exposure could weaken tumor control.
What this interaction means in plain words
Dabrafenib and Nizatidine 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.
Dabrafenib belongs to Oncology; Nizatidine belongs to Gastrointestinal Tract.
Why it happens
Elevated gastric pH reduces pH-dependent dissolution and absorption of oral dabrafenib.
What to do
Monitor for reduced treatment response if nizatidine is used regularly. Consider whether acid suppression is needed, or use antacids separated from dabrafenib.
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 Nizatidine
- Atazanavir + Nizatidine Major
- Dasatinib + Nizatidine Major
- Erlotinib + Nizatidine Major
- Itraconazole + Nizatidine Major
- Ketoconazole + Nizatidine Major
- Nizatidine + Pazopanib Major
Other interactions of Dabrafenib
Frequently asked questions
Can I take Dabrafenib with Nizatidine?
MediHelp rates the interaction as moderate. Dabrafenib and Nizatidine 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. Dabrafenib solubility falls as gastric pH rises, so acid-reducing drugs such as H2 blockers may lower its absorption. The clinical effect on efficacy is uncertain, but reduced exposure could weaken tumor control.
How serious is the interaction between Dabrafenib and Nizatidine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for reduced treatment response if nizatidine is used regularly. Consider whether acid suppression is needed, or use antacids separated from dabrafenib.
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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