Drug interactions
Ampicillin-sulbactam + Microbiota
Severity: Moderate
Ampicillin-sulbactam and Microbiota: 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
Oral microbiota products contain live bacterial spores that antibacterials can inactivate. Concurrent ampicillin-sulbactam may reduce colonisation and efficacy of the product.
What this interaction means in plain words
Ampicillin-sulbactam and Microbiota 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
Antibacterial activity reduces viability and colonisation of the administered bacterial spores.
What to do
Complete the antibiotic course before giving the microbiota product, leaving the interval stated in labeling (2 to 4 days).
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 Ampicillin-sulbactam
Frequently asked questions
Can I take Ampicillin-sulbactam with Microbiota?
MediHelp rates the interaction as moderate. Ampicillin-sulbactam and Microbiota 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. Oral microbiota products contain live bacterial spores that antibacterials can inactivate. Concurrent ampicillin-sulbactam may reduce colonisation and efficacy of the product.
How serious is the interaction between Ampicillin-sulbactam and Microbiota?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Complete the antibiotic course before giving the microbiota product, leaving the interval stated in labeling (2 to 4 days).
What other medicines interact with Ampicillin-sulbactam?
MediHelp also lists interactions of Ampicillin-sulbactam with, for example, Methotrexate, Allopurinol, Bcg vaccine live. The full list is on the Ampicillin-sulbactam page.
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