Drug interactions
Calcium + Teriparatide
Severity: Minor
Calcium and Teriparatide: 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
Teriparatide can transiently raise serum calcium, and high-dose calcium supplementation could add to this. Clinically significant hypercalcemia is uncommon at usual doses. Calcium and vitamin D are routinely given with teriparatide to ensure adequate intake.
What this interaction means in plain words
Calcium and Teriparatide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Calcium belongs to Gastrointestinal Tract; Teriparatide belongs to Musculoskeletal.
Why it happens
Additive effects on serum calcium via parathyroid hormone-mediated bone resorption and increased intestinal and renal calcium handling.
What to do
Use usual supplemental doses and check serum calcium if symptoms of hypercalcemia occur or if the patient has a history of hypercalcemia or hypercalciuria.
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 Calcium
- Calcium + Ceftriaxone Contraindicated
- Acalabrutinib + Calcium Moderate
- Alendronate + Calcium Moderate
- Atazanavir + Calcium Moderate
- Baloxavir marboxil + Calcium Moderate
- Bendroflumethiazide + Calcium Moderate
Other interactions of Teriparatide
Frequently asked questions
Can I take Calcium with Teriparatide?
MediHelp rates the interaction as minor. Calcium and Teriparatide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Teriparatide can transiently raise serum calcium, and high-dose calcium supplementation could add to this. Clinically significant hypercalcemia is uncommon at usual doses. Calcium and vitamin D are routinely given with teriparatide to ensure adequate intake.
How serious is the interaction between Calcium and Teriparatide?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use usual supplemental doses and check serum calcium if symptoms of hypercalcemia occur or if the patient has a history of hypercalcemia or hypercalciuria.
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.
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