Drug interactions
Aztreonam + Bcg vaccine live
Severity: Minor
Aztreonam and Bcg vaccine live: 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
Live BCG is a viable mycobacterial vaccine. Aztreonam is a monobactam with activity only against aerobic gram-negative bacteria and none against mycobacteria, so no meaningful effect on vaccine response is expected.
What this interaction means in plain words
Aztreonam and Bcg vaccine live 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
No established mechanism; aztreonam has no activity against BCG.
What to do
No delay or change is needed; vaccinate according to the schedule unless the patient is acutely and severely ill.
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 Aztreonam
- Aztreonam + Cefoxitin Moderate
- Aztreonam + Cholera vaccine Moderate
- Aztreonam + Microbiota Moderate
- Aztreonam + Sodium picosulfate / magnesium oxide / anhydrous citric acid Moderate
- Aztreonam + Typhoid vaccine live Moderate
- Amikacin + Aztreonam Minor
Frequently asked questions
Can I take Aztreonam with Bcg vaccine live?
MediHelp rates the interaction as minor. Aztreonam and Bcg vaccine live have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Live BCG is a viable mycobacterial vaccine. Aztreonam is a monobactam with activity only against aerobic gram-negative bacteria and none against mycobacteria, so no meaningful effect on vaccine response is expected.
How serious is the interaction between Aztreonam and Bcg vaccine live?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No delay or change is needed; vaccinate according to the schedule unless the patient is acutely and severely ill.
What other medicines interact with Aztreonam?
MediHelp also lists interactions of Aztreonam with, for example, Cefoxitin, Cholera vaccine, Microbiota. The full list is on the Aztreonam page.
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