Drug interactions
Atenolol-chlorthalidone + Shark cartilage
Severity: Minor
Atenolol-chlorthalidone and Shark cartilage: 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
Shark cartilage contains calcium and has been associated with hypercalcemia in some reports. Chlorthalidone reduces urinary calcium excretion, so combined use could theoretically raise serum calcium. Evidence is limited.
What this interaction means in plain words
Atenolol-chlorthalidone and Shark cartilage 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
Additive calcium load combined with thiazide-induced reduction in renal calcium excretion.
What to do
Check serum calcium if the supplement is used long term, and stop it if hypercalcemia or related symptoms occur.
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 Atenolol-chlorthalidone
Frequently asked questions
Can I take Atenolol-chlorthalidone with Shark cartilage?
MediHelp rates the interaction as minor. Atenolol-chlorthalidone and Shark cartilage have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Shark cartilage contains calcium and has been associated with hypercalcemia in some reports. Chlorthalidone reduces urinary calcium excretion, so combined use could theoretically raise serum calcium. Evidence is limited.
How serious is the interaction between Atenolol-chlorthalidone and Shark cartilage?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check serum calcium if the supplement is used long term, and stop it if hypercalcemia or related symptoms occur.
What other medicines interact with Atenolol-chlorthalidone?
MediHelp also lists interactions of Atenolol-chlorthalidone with, for example, Acebutolol, Aldesleukin, Amiodarone. The full list is on the Atenolol-chlorthalidone page.
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