Drug interactions
Calcium + Ponatinib
Severity: Moderate
Calcium and Ponatinib: 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
Ponatinib solubility is pH-dependent, and acid-suppressing agents may reduce absorption. Antacids like calcium carbonate have a smaller effect than systemic acid suppressants but may still lower exposure.
What this interaction means in plain words
Calcium and Ponatinib 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.
Calcium belongs to Gastrointestinal Tract; Ponatinib belongs to Oncology.
Why it happens
Higher gastric pH may reduce ponatinib solubility and absorption.
What to do
Separate ponatinib and antacid doses by several hours, giving the antacid well apart. Monitor treatment response.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Calcium and Ponatinib, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Calcium
- Calcium + Ceftriaxone Contraindicated
- Acalabrutinib + Calcium Moderate
- Alendronate + Calcium Moderate
- Atazanavir + Calcium Moderate
- Baloxavir marboxil + Calcium Moderate
- Bendroflumethiazide + Calcium Moderate
Other interactions of Ponatinib
Frequently asked questions
Can I take Calcium with Ponatinib?
MediHelp rates the interaction as moderate. Calcium and Ponatinib 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. Ponatinib solubility is pH-dependent, and acid-suppressing agents may reduce absorption. Antacids like calcium carbonate have a smaller effect than systemic acid suppressants but may still lower exposure.
How serious is the interaction between Calcium and Ponatinib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Separate ponatinib and antacid doses by several hours, giving the antacid well apart. Monitor treatment response.
What other medicines interact with Calcium?
MediHelp also lists interactions of Calcium with, for example, Ceftriaxone, Acalabrutinib, Alendronate. The full list is on the Calcium page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.