{
  "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": "2026-10-22",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "product_ndc": "37000-501",
      "generic_name": "Diphenhydramine Hydrochloride",
      "labeler_name": "The Procter & Gamble Manufacturing Company",
      "brand_name": "ZzzQuil Nighttime Sleep-Aid",
      "brand_name_suffix": "Nighttime Sleep-Aid",
      "active_ingredients": [
        {
          "name": "DIPHENHYDRAMINE HYDROCHLORIDE",
          "strength": "25 mg/1"
        }
      ],
      "finished": true,
      "packaging": [
        {
          "package_ndc": "37000-501-02",
          "description": "2 CAPSULE, GELATIN COATED in 1 BLISTER PACK (37000-501-02)",
          "marketing_start_date": "20150824",
          "sample": false
        },
        {
          "package_ndc": "37000-501-08",
          "description": "8 BLISTER PACK in 1 CARTON (37000-501-08)  / 2 CAPSULE, GELATIN COATED in 1 BLISTER PACK",
          "marketing_start_date": "20220607",
          "sample": false
        },
        {
          "package_ndc": "37000-501-12",
          "description": "6 BLISTER PACK in 1 CARTON (37000-501-12)  / 2 CAPSULE, GELATIN COATED in 1 BLISTER PACK",
          "marketing_start_date": "20111208",
          "sample": false
        },
        {
          "package_ndc": "37000-501-24",
          "description": "12 BLISTER PACK in 1 CARTON (37000-501-24)  / 2 CAPSULE, GELATIN COATED in 1 BLISTER PACK",
          "marketing_start_date": "20111208",
          "sample": false
        },
        {
          "package_ndc": "37000-501-48",
          "description": "24 BLISTER PACK in 1 CARTON (37000-501-48)  / 2 CAPSULE, GELATIN COATED in 1 BLISTER PACK",
          "marketing_start_date": "20111208",
          "sample": false
        },
        {
          "package_ndc": "37000-501-72",
          "description": "36 BLISTER PACK in 1 CARTON (37000-501-72)  / 2 CAPSULE, GELATIN COATED in 1 BLISTER PACK",
          "marketing_start_date": "20111208",
          "sample": false
        },
        {
          "package_ndc": "37000-501-96",
          "description": "2 CARTON in 1 CELLO PACK (37000-501-96)  / 24 BLISTER PACK in 1 CARTON / 2 CAPSULE, GELATIN COATED in 1 BLISTER PACK",
          "marketing_start_date": "20200101",
          "sample": false
        }
      ],
      "listing_expiration_date": "20271231",
      "openfda": {},
      "marketing_category": "OTC MONOGRAPH DRUG",
      "dosage_form": "CAPSULE, GELATIN COATED",
      "spl_id": "5ce13020-78b5-38ca-e063-6394a90a6c58",
      "product_type": "HUMAN OTC DRUG",
      "route": [
        "ORAL"
      ],
      "marketing_start_date": "20111208",
      "product_id": "37000-501_5ce13020-78b5-38ca-e063-6394a90a6c58",
      "application_number": "M010",
      "brand_name_base": "ZzzQuil",
      "pharm_class": [
        "Histamine H1 Receptor Antagonists [MoA]",
        "Histamine-1 Receptor Antagonist [EPC]"
      ]
    }
  ]
}