Drug Drug Skill — Development skill for Claude Code
Evidence-based Drug-Drug Interaction (DDI) assessment skill modeled after Micromedex Drug-Reax.
How to install Drug Drug Skill
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open htlin222/drug-drug-skill and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Drug Drug Skill does
Evidence-based Drug-Drug Interaction (DDI) assessment skill modeled after Micromedex Drug-Reax. Install: npx skills add htlin222/drug-drug-skill
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README
drug-drug
[](https://github.com/htlin222/drug-drug-skill/actions/workflows/release.yml) [](https://github.com/htlin222/drug-drug-skill/releases/latest) [](https://creativecommons.org/licenses/by/4.0/) [](https://github.com/vercel-labs/skills) [](https://github.com/vercel-labs/skills#supported-agents)
Evidence-based Drug-Drug Interaction (DDI) assessment skill modeled after the Micromedex Drug-Reax methodology.
Install
npx skills add htlin222/drug-drug-skill
npx skills add -g htlin222/drug-drug-skill # global
npx skills add htlin222/drug-drug-skill --agent claude-code # specific agent
What it does
This skill performs systematic Drug-Drug Interaction assessments using real-time literature retrieval from PubMed, CrossRef, and web sources. It produces structured reports following the Micromedex Drug-Reax classification framework, including:
- Severity grading: Contraindicated / Major / Moderate / Minor
- Documentation grading: Excellent / Good / Fair / Poor / Unlikely
- Onset classification: Rapid / Delayed / Not specified
- Mechanism analysis: Pharmacokinetic (CYP450, P-gp, renal) and Pharmacodynamic (additive, synergistic, antagonistic)
- Clinical management recommendations with monitoring parameters and alternatives
Triggered by `/drug-drug DrugA DrugB` or natural language queries about drug interactions.
Example
See [`example.md`](example.md) for a complete DDI assessment of **Methotrexate (MTX)** and **Trimethoprim/Sulfamethoxazole (TMP/S
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