ADR Preventability (Modified Schumock and Thornton)
Preventability of an adverse drug reaction by the modified Schumock and Thornton criteria.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- History of allergy or previous reaction to the drug
- No
- Drug inappropriate for the clinical condition
- No
- Dose, route or frequency inappropriate
- No
- Toxic level or lab monitoring result documented
- No
- A known treatment for the reaction
- No
- Required monitoring or lab test not done
- Yes
- A drug interaction was involved
- No
- Poor adherence was involved
- No
- Preventive measures not prescribed or given
- No
Result: Modified Schumock and Thornton: probably preventable (section B).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- History of allergy or previous reaction to the drug
- Drug inappropriate for the clinical condition
- Dose, route or frequency inappropriate
- Toxic level or lab monitoring result documented
- A known treatment for the reaction
- Required monitoring or lab test not done
- A drug interaction was involved
- Poor adherence was involved
- Preventive measures not prescribed or given
How this is calculated
Citation
Schumock GT, Thornton JP. Hosp Pharm. 1992;27:538 (original, not read). Modified form as printed in Saqib A et al. BMC Pharmacol Toxicol. 2018;19:34 (Table 5) and Manjhi PK et al. Cureus. 2024;16:e59975 (CC BY). Read the sources: Saqib 2018 (Table 5) ↗, Manjhi 2024 (review) ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.