Drug interactions
Buprenorphine long-acting + Chlorthalidone
Severity: Minor
Buprenorphine long-acting and Chlorthalidone: 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
Opioids can stimulate antidiuretic hormone release and may reduce the effectiveness of diuretics. Opioids can also cause orthostatic hypotension, and the combination may cause fluid retention or unpredictable blood pressure changes.
What this interaction means in plain words
Buprenorphine long-acting and Chlorthalidone 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
Opioid-induced antidiuretic hormone release opposing diuresis, plus additive hypotensive effects.
What to do
Monitor fluid status, weight, blood pressure and edema after starting or changing the buprenorphine dose. Adjust chlorthalidone if diuretic response decreases.
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 Chlorthalidone
Frequently asked questions
Can I take Buprenorphine long-acting with Chlorthalidone?
MediHelp rates the interaction as minor. Buprenorphine long-acting and Chlorthalidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Opioids can stimulate antidiuretic hormone release and may reduce the effectiveness of diuretics. Opioids can also cause orthostatic hypotension, and the combination may cause fluid retention or unpredictable blood pressure changes.
How serious is the interaction between Buprenorphine long-acting and Chlorthalidone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor fluid status, weight, blood pressure and edema after starting or changing the buprenorphine dose. Adjust chlorthalidone if diuretic response decreases.
What other medicines interact with Chlorthalidone?
MediHelp also lists interactions of Chlorthalidone with, for example, Amifostine, Atenolol-chlorthalidone, Candesartan-hydrochlorothiazide. The full list is on the Chlorthalidone page.
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