{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-10-09",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "product_ndc": "52389-306",
      "generic_name": "Caffeine, magnesium salicylate",
      "labeler_name": "Kobayashi Healthcare International, Inc.",
      "brand_name": "Diurex Water Pills",
      "brand_name_suffix": "Water Pills",
      "active_ingredients": [
        {
          "name": "MAGNESIUM SALICYLATE",
          "strength": "162.5 mg/1"
        },
        {
          "name": "CAFFEINE",
          "strength": "50 mg/1"
        }
      ],
      "finished": true,
      "packaging": [
        {
          "package_ndc": "52389-306-36",
          "description": "2 BLISTER PACK in 1 CARTON (52389-306-36)  / 18 TABLET, COATED in 1 BLISTER PACK",
          "marketing_start_date": "20200214",
          "sample": false
        },
        {
          "package_ndc": "52389-306-42",
          "description": "1 BLISTER PACK in 1 CARTON (52389-306-42)  / 42 TABLET, COATED in 1 BLISTER PACK (52389-306-01)",
          "marketing_start_date": "20050515",
          "sample": false
        },
        {
          "package_ndc": "52389-306-84",
          "description": "2 BLISTER PACK in 1 CARTON (52389-306-84)  / 42 TABLET, COATED in 1 BLISTER PACK (52389-306-01)",
          "marketing_start_date": "20120502",
          "sample": false
        }
      ],
      "listing_expiration_date": "20261231",
      "openfda": {
        "manufacturer_name": [
          "Kobayashi Healthcare International, Inc."
        ],
        "rxcui": [
          "1001437"
        ],
        "spl_set_id": [
          "e02a39f9-1c8c-4d38-b394-3f5b7062932c"
        ],
        "is_original_packager": [
          true
        ],
        "upc": [
          "0072959065423"
        ],
        "nui": [
          "N0000175739",
          "N0000175729",
          "N0000175790",
          "M0023046"
        ],
        "pharm_class_epc": [
          "Central Nervous System Stimulant [EPC]",
          "Methylxanthine [EPC]"
        ],
        "pharm_class_pe": [
          "Central Nervous System Stimulation [PE]"
        ],
        "pharm_class_cs": [
          "Xanthines [CS]"
        ],
        "unii": [
          "41728CY7UX",
          "3G6A5W338E"
        ]
      },
      "marketing_category": "OTC MONOGRAPH DRUG",
      "dosage_form": "TABLET, COATED",
      "spl_id": "32732994-0e5d-93a9-e063-6394a90a9c50",
      "product_type": "HUMAN OTC DRUG",
      "route": [
        "ORAL"
      ],
      "marketing_start_date": "20050515",
      "product_id": "52389-306_32732994-0e5d-93a9-e063-6394a90a9c50",
      "application_number": "M027",
      "brand_name_base": "Diurex",
      "pharm_class": [
        "Central Nervous System Stimulant [EPC]",
        "Central Nervous System Stimulation [PE]",
        "Methylxanthine [EPC]",
        "Xanthines [CS]"
      ]
    }
  ]
}