Drug interactions
Clindamycin + Sodium picosulfate / magnesium oxide / anhydrous citric acid
Severity: Moderate
Clindamycin and Sodium picosulfate / magnesium oxide / anhydrous citric acid: 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
Sodium picosulfate is a prodrug that needs colonic bacteria to form its active laxative metabolite. Antibiotics that disrupt the colonic flora may reduce this activation and lead to inadequate bowel cleansing before colonoscopy.
What this interaction means in plain words
Clindamycin and Sodium picosulfate / magnesium oxide / anhydrous citric acid 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.
Why it happens
Antibiotic suppression of colonic bacteria that convert picosulfate to its active metabolite.
What to do
Where possible avoid oral antibiotic courses just before bowel preparation. If unavoidable, confirm the quality of bowel cleansing and consider an alternative non-prodrug preparation.
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 Clindamycin
Frequently asked questions
Can I take Clindamycin with Sodium picosulfate / magnesium oxide / anhydrous citric acid?
MediHelp rates the interaction as moderate. Clindamycin and Sodium picosulfate / magnesium oxide / anhydrous citric acid 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. Sodium picosulfate is a prodrug that needs colonic bacteria to form its active laxative metabolite. Antibiotics that disrupt the colonic flora may reduce this activation and lead to inadequate bowel cleansing before colonoscopy.
How serious is the interaction between Clindamycin and Sodium picosulfate / magnesium oxide / anhydrous citric acid?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Where possible avoid oral antibiotic courses just before bowel preparation. If unavoidable, confirm the quality of bowel cleansing and consider an alternative non-prodrug preparation.
What other medicines interact with Clindamycin?
MediHelp also lists interactions of Clindamycin with, for example, Atracurium, Cisatracurium, Microbiota. The full list is on the Clindamycin page.
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