{
  "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": "2026-10-07",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "product_ndc": "51662-1674",
      "generic_name": "diphenhydramine hydrochloride",
      "labeler_name": "HF Acquisition Co LLC, DBA HealthFirst",
      "brand_name": "diphenhydramine hydrochloride",
      "active_ingredients": [
        {
          "name": "DIPHENHYDRAMINE HYDROCHLORIDE",
          "strength": "25 mg/1"
        }
      ],
      "finished": true,
      "packaging": [
        {
          "package_ndc": "51662-1674-1",
          "description": "1 TABLET, FILM COATED in 1 PACKET (51662-1674-1)",
          "marketing_start_date": "20120101",
          "sample": false
        }
      ],
      "listing_expiration_date": "20271231",
      "openfda": {
        "manufacturer_name": [
          "HF Acquisition Co LLC, DBA HealthFirst"
        ],
        "rxcui": [
          "1049630"
        ],
        "spl_set_id": [
          "44217a8c-7656-a0f6-e063-6294a90af2ad"
        ],
        "unii": [
          "TC2D6JAD40"
        ]
      },
      "marketing_category": "OTC MONOGRAPH DRUG",
      "dosage_form": "TABLET, FILM COATED",
      "spl_id": "4e5741df-24d9-1cab-e063-6294a90a2534",
      "product_type": "HUMAN OTC DRUG",
      "route": [
        "ORAL"
      ],
      "marketing_start_date": "20120101",
      "product_id": "51662-1674_4e5741df-24d9-1cab-e063-6294a90a2534",
      "application_number": "M012",
      "brand_name_base": "diphenhydramine hydrochloride",
      "pharm_class": [
        "Histamine H1 Receptor Antagonists [MoA]",
        "Histamine-1 Receptor Antagonist [EPC]"
      ]
    }
  ]
}