{
  "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": "2026-10-02",
    "results": {
      "skip": 0,
      "limit": 1,
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    }
  },
  "results": [
    {
      "product_ndc": "22840-9466",
      "generic_name": "Ulmus americana, Acer negundo, Carya illinoinensis and Quercus virginiana",
      "labeler_name": "Greer Laboratories, Inc.",
      "brand_name": "Central Eastern 4 Tree Pollen Mix",
      "active_ingredients": [
        {
          "name": "CARYA ILLINOINENSIS POLLEN",
          "strength": ".00025 g/mL"
        },
        {
          "name": "QUERCUS VIRGINIANA POLLEN",
          "strength": ".00025 g/mL"
        },
        {
          "name": "ULMUS AMERICANA POLLEN",
          "strength": ".00025 g/mL"
        },
        {
          "name": "ACER NEGUNDO POLLEN",
          "strength": ".00025 g/mL"
        }
      ],
      "finished": true,
      "packaging": [
        {
          "package_ndc": "22840-9466-1",
          "description": "5 mL in 1 VIAL, MULTI-DOSE (22840-9466-1)",
          "marketing_start_date": "19810915",
          "sample": false
        }
      ],
      "listing_expiration_date": "20261231",
      "openfda": {},
      "marketing_category": "BLA",
      "dosage_form": "SOLUTION",
      "spl_id": "36ac2d95-bfac-548b-e063-6394a90a749a",
      "product_type": "NON-STANDARDIZED ALLERGENIC",
      "route": [
        "INTRADERMAL",
        "PERCUTANEOUS",
        "SUBCUTANEOUS"
      ],
      "marketing_start_date": "19810915",
      "product_id": "22840-9466_36ac2d95-bfac-548b-e063-6394a90a749a",
      "application_number": "BLA101833",
      "brand_name_base": "Central Eastern 4 Tree Pollen Mix",
      "pharm_class": [
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        "Allergens [CS]",
        "Allergens [CS]",
        "Allergens [CS]",
        "Cell-mediated Immunity [PE]",
        "Cell-mediated Immunity [PE]",
        "Cell-mediated Immunity [PE]",
        "Cell-mediated Immunity [PE]",
        "Increased Histamine Release [PE]",
        "Increased Histamine Release [PE]",
        "Increased Histamine Release [PE]",
        "Increased Histamine Release [PE]",
        "Increased IgG Production [PE]",
        "Increased IgG Production [PE]",
        "Increased IgG Production [PE]",
        "Increased IgG Production [PE]",
        "Non-Standardized Pollen Allergenic Extract [EPC]",
        "Non-Standardized Pollen Allergenic Extract [EPC]",
        "Non-Standardized Pollen Allergenic Extract [EPC]",
        "Non-Standardized Pollen Allergenic Extract [EPC]",
        "Pollen [CS]",
        "Pollen [CS]",
        "Pollen [CS]",
        "Pollen [CS]"
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}