Gaviscon Advance Oral Suspension Sodium alginate 500 mg, Potassium hydrogen carbonate 100 mg.

GET /v1/drugs/ef8b2671-2418-47d1-a8be-c838c944c899
GET /v1/drugs/ef8b2671-2418-47d1-a8be-c838c944c899?format=fhir

Every response carries last_synced_at, so freshness is a field rather than a promise. Below is exactly what the ingestion wrote, before any presentation — the same JSON the API returns under payload.

{
  "form": "Oral suspension",
  "routes": [
    "Oral use"
  ],
  "source": "hpra",
  "atc_all": [
    "A02BX"
  ],
  "strength": null,
  "pa_number": "PA0979/011/001",
  "substances": [
    "Sodium alginate",
    "Potassium hydrogen carbonate"
  ],
  "legal_basis": "Full application (Article 8(3) of Directive No 2001/83/EC)",
  "market_info": "Marketed",
  "authorised_at": "14/08/1998",
  "dispensing_status": "Product not subject to medical prescription",
  "registration_status": "AU",
  "supply_legal_status": "Supply through pharmacies only",
  "interchangeable_code": null
}