{
  "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": "2026-09-29",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "product_ndc": "51316-400",
      "generic_name": "guaifenesin",
      "labeler_name": "CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED",
      "brand_name": "mucus extended release",
      "active_ingredients": [
        {
          "name": "GUAIFENESIN",
          "strength": "1200 mg/1"
        }
      ],
      "finished": true,
      "packaging": [
        {
          "package_ndc": "51316-400-55",
          "description": "6 BLISTER PACK in 1 CARTON (51316-400-55)  / 7 TABLET, MULTILAYER, EXTENDED RELEASE in 1 BLISTER PACK",
          "marketing_start_date": "20250617",
          "sample": false
        },
        {
          "package_ndc": "51316-400-74",
          "description": "2 BLISTER PACK in 1 CARTON (51316-400-74)  / 7 TABLET, MULTILAYER, EXTENDED RELEASE in 1 BLISTER PACK",
          "marketing_start_date": "20250617",
          "sample": false
        }
      ],
      "listing_expiration_date": "20261231",
      "openfda": {
        "manufacturer_name": [
          "CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED"
        ],
        "rxcui": [
          "310621"
        ],
        "spl_set_id": [
          "9fcf96a7-bef4-4cc8-bd9e-c245ccbea17d"
        ],
        "is_original_packager": [
          true
        ],
        "nui": [
          "N0000193956",
          "N0000008867",
          "N0000009560"
        ],
        "pharm_class_epc": [
          "Expectorant [EPC]"
        ],
        "pharm_class_pe": [
          "Decreased Respiratory Secretion Viscosity [PE]",
          "Increased Respiratory Secretions [PE]"
        ],
        "unii": [
          "495W7451VQ"
        ]
      },
      "marketing_category": "ANDA",
      "dosage_form": "TABLET, MULTILAYER, EXTENDED RELEASE",
      "spl_id": "26d906cf-86ee-4c11-92e6-491b5ea405e7",
      "product_type": "HUMAN OTC DRUG",
      "route": [
        "ORAL"
      ],
      "marketing_start_date": "20250617",
      "product_id": "51316-400_26d906cf-86ee-4c11-92e6-491b5ea405e7",
      "application_number": "ANDA078912",
      "brand_name_base": "mucus extended release",
      "pharm_class": [
        "Decreased Respiratory Secretion Viscosity [PE]",
        "Expectorant [EPC]",
        "Increased Respiratory Secretions [PE]"
      ]
    }
  ]
}