Search MHRA (Medicines and Healthcare products Regulatory Agency) safety alerts and publications.
This dataset contains full-text content from MHRA drug safety alerts, medical device alerts, field safety notices, and
regulatory publications. Search covers headlines, descriptions, and page-level document content.
Use this tool when the question involves UK drug safety communications, MHRA medical device alerts, field safety
notices, drug recalls, or MHRA regulatory guidance.
**Parameters:**
- q: Search query (drug names, device types, safety issues, alert topics, etc.)
- f: Space-delimited filters in `field:"value"` format.
- Facet filters: `ontology.tags`, `ontology.categories`, `domain`
- Date range filters on `attachments.file.createdAt` or `attachments.file.modifiedAt`:
- Suffix notation: append `gte` (>=) or `lt` (<) to the field name.
Example for Q4 2025: `attachments.file.createdAtgte:"2025-10-01" attachments.file.createdAtlt:"2026-01-01"`
- Comma notation: `attachments.file.createdAt:"2025-10-01,2026-01-01"` (gte,lt)
- Accepted date formats: YYYY-MM-DD, YYYY-MM-DDTHH:MM:SS, YYYY-MM-DDTHH:MM:SS+ZZZZ, or epoch milliseconds.
- p: Page number (default: 1)
**Example queries:**
- Immunosuppressant alerts in Q4 2025: q="immunosuppressant", f='attachments.file.createdAtgte:"2025-10-01" attachments.file.createdAtlt:"2026-01-01"'
- All drug safety updates since March 2025: q="drug safety update", f='attachments.file.createdAtgte:"2025-03-01"'
- Medical device alerts from gov.uk: q="medical device alert", f='domain:"gov.uk"'
**Returns:** Alerts with id, headline, description, tags, categories, date, and page-level content snippets showing
where the query matched.