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SiteCheck Health & Travel – FDA Drug-Drug Interaction Label Lookup
x402
SiteCheck Health & Travel – FDA Drug-Drug Interaction Label Lookup is a paid API for AI agents from api.healthtravel-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Searches the FDA label (openFDA) of drug A for sentences mentioning drug B in the drug interactions section, returning matching text, label set ID, and effective date.
Price / call$0.002
Success—
StatusUnknown
How this service works
Drug-drug interaction text from the FDA label (openFDA) of drug A that mentions drug B: matching sentences from the label's drug interactions section, with label set ID and effective date. Label text only; no severity score. If no sentence matches, that does NOT mean there is no interaction.
Output
Returns matching sentences from the FDA structured product label's drug interactions section where drug A's label mentions drug B, along with the label set ID and effective date. If no sentences match, it does not indicate the absence of an interaction — only that the label text does not explicitly mention drug B.
Example use cases
Checking polypharmacy risk for a patient
“My patient is on metformin — does the FDA label for metformin mention any interaction with lisinopril? Show me the exact sentences from the label.”
Pharmacist reviewing new prescription
“I'm about to dispense sertraline to someone already taking tramadol. What does the FDA label for sertraline say about tramadol in its drug interactions section?”
Researcher verifying label-based interaction claim
“Can you pull the FDA label text for warfarin that mentions amiodarone? I need the matching sentences, the label set ID, and the effective date.”
Technical details
Endpoint
GEThttps://api.healthtravel-api.workers.dev/api/health/drugbank-interaction?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need the verbatim FDA label text about a drug-drug interaction — specifically, what drug A's official structured product label says about drug B. Prefer this over clinical databases when regulatory label language is required (e.g., for compliance, pharmacovigilance, or documentation). Note: absence of a match does not mean no interaction exists; this is a label-text search, not a comprehensive interaction database.
Side effects
- No sentences found — does not confirm absence of interaction, only absence of label mention
- Drug name not recognized or misspelled — no results returned
- Drug name too short (<2 chars) or too long (>60 chars) — validation error
- openFDA upstream unavailability causing timeout or empty response
- Brand names instead of generic names may fail to match
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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