{
  "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": "2026-10-05",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "product_ndc": "83324-324",
      "generic_name": "Dextromethorphan HBr, Guaifenesin",
      "labeler_name": "Chain Drug Marketing Association, Inc.",
      "brand_name": "Tussin DM",
      "active_ingredients": [
        {
          "name": "DEXTROMETHORPHAN HYDROBROMIDE",
          "strength": "20 mg/20mL"
        },
        {
          "name": "GUAIFENESIN",
          "strength": "400 mg/20mL"
        }
      ],
      "finished": true,
      "packaging": [
        {
          "package_ndc": "83324-324-04",
          "description": "1 BOTTLE, PLASTIC in 1 CARTON (83324-324-04)  / 118 mL in 1 BOTTLE, PLASTIC",
          "marketing_start_date": "20250904",
          "sample": false
        },
        {
          "package_ndc": "83324-324-08",
          "description": "1 BOTTLE, PLASTIC in 1 CARTON (83324-324-08)  / 237 mL in 1 BOTTLE, PLASTIC",
          "marketing_start_date": "20250904",
          "sample": false
        }
      ],
      "listing_expiration_date": "20271231",
      "openfda": {
        "manufacturer_name": [
          "Chain Drug Marketing Association, Inc."
        ],
        "rxcui": [
          "1020138"
        ],
        "spl_set_id": [
          "b0d38db9-22a9-4dd8-8e0f-dd81805e724b"
        ],
        "is_original_packager": [
          true
        ],
        "upc": [
          "0635515100091"
        ],
        "nui": [
          "N0000193956",
          "N0000008867",
          "N0000009560"
        ],
        "pharm_class_epc": [
          "Expectorant [EPC]"
        ],
        "pharm_class_pe": [
          "Decreased Respiratory Secretion Viscosity [PE]",
          "Increased Respiratory Secretions [PE]"
        ],
        "unii": [
          "9D2RTI9KYH",
          "495W7451VQ"
        ]
      },
      "marketing_category": "OTC MONOGRAPH DRUG",
      "dosage_form": "SOLUTION",
      "spl_id": "869af78f-24e1-4ff3-bfaf-e27a0e6213ed",
      "product_type": "HUMAN OTC DRUG",
      "route": [
        "ORAL"
      ],
      "marketing_start_date": "20250904",
      "product_id": "83324-324_869af78f-24e1-4ff3-bfaf-e27a0e6213ed",
      "application_number": "M012",
      "brand_name_base": "Tussin DM",
      "pharm_class": [
        "Decreased Respiratory Secretion Viscosity [PE]",
        "Expectorant [EPC]",
        "Increased Respiratory Secretions [PE]",
        "Sigma-1 Agonist [EPC]",
        "Sigma-1 Receptor Agonists [MoA]",
        "Uncompetitive N-methyl-D-aspartate Receptor Antagonist [EPC]",
        "Uncompetitive NMDA Receptor Antagonists [MoA]"
      ]
    }
  ]
}