{
  "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": {
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    {
      "product_ndc": "0121-0638",
      "generic_name": "GUAIFENESIN and DEXTROMETHORPHAN",
      "labeler_name": "PAI Holdings, LLC dba PAI Pharma",
      "brand_name": "GUAIFENESIN DM",
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          "description": "10 TRAY in 1 CASE (0121-0638-00)  / 10 CUP, UNIT-DOSE in 1 TRAY / 5 mL in 1 CUP, UNIT-DOSE (0121-0638-05)",
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        },
        {
          "package_ndc": "0121-0638-16",
          "description": "473 mL in 1 BOTTLE (0121-0638-16)",
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      ],
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      "dosage_form": "SYRUP",
      "spl_id": "c50b4c5c-6f55-4118-a282-e0b490704e49",
      "product_type": "HUMAN OTC DRUG",
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        "Increased Respiratory Secretions [PE]",
        "Sigma-1 Agonist [EPC]",
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        "Uncompetitive N-methyl-D-aspartate Receptor Antagonist [EPC]",
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}