Check
Interaction Checker
See every interaction between up to 10 medicines, with severity, mechanism and what to do.
Worked example
- 1
- Simvastatin + clarithromycin
- 2
- Contraindicated: clarithromycin strongly inhibits CYP3A4 and raises simvastatin levels, with a risk of myopathy and rhabdomyolysis. Pause simvastatin during the course or choose another antibiotic.
Module overview
The Interaction Checker helps a professional review interaction information available for selected medicines. Confirm each medicine and formulation, consider the full medication list and patient context, and review any source or severity information presented.
Catalog coverage is limited: a missing result does not establish that a combination is safe. Check current authoritative references and use clinical judgment when assessing a possible interaction.
How it works
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Select the medicines
Add the medicines you want to check and confirm each displayed name and formulation.
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Review available matches
Inspect any interaction information returned, including source or severity details when provided.
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Check the full context
Consider the complete medication list and patient context; an empty result does not prove a combination is safe.
- Designed for
- Pharmacists and other qualified healthcare professionals.
- Scope and limitations
- A missing result does not prove a combination is safe. Consider the full medication history and current sources.
