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United States· US:52389-752_3779befa-85d1-ceeb-e063-6394a90a8257

Psoriasin

A medicinal product containing coal tar, registered in United States by Kobayashi Healthcare International, Inc..

US label

Checked against FDA National Drug Code directory (United States) on

Informational only — not a medical device.

SOURCE REGISTER · USFDA National Drug Code directory (Unite…normalisedPsoriasinATC—REGISTER NO.US:52389-752_3779befa…PACKS LISTED2CHECKEDJune 3, 2026
Compare price across countriesPer daily dose · free accountAsk the assistant about coal tarAnswers with sources · free accountCheck interactionsSeverity free · mechanism on Growth

The record

At a glance

FDA National Drug Code directory (United States)
Active substance
Coal Tar
Manufacturer
Kobayashi Healthcare International, Inc.
Country
United States (US)
ATC code
—
Reimbursed
Not published by this register
Source register
FDA National Drug Code directory (United States)
Last checked
June 3, 2026

Packs & prices · 2

  • ndc11
    5238975202
    119 g in 1 TUBE (52389-752-02)
  • ndc11
    5238975242
    1 TUBE in 1 CARTON (52389-752-42) / 119 g in 1 TUBE

Regulatory notes

UNII (FDA substance ID)
R533ESO2EC
COAL TAR
RxCUI 2635
DailyMed SPL labels
1 version tracked

Same medicine, other countries

Coal tar in 5 other countries

What each register calls a product with the same active substance — salts and hydrates count as the same.

All coal tar products

Authorised across Europe · EMA

The same active substance is authorised in 6 EEA countries. Names it is sold under:

  • Spain · Tarmed
  • United Kingdom (Northern Ireland) · Alphosyl ‘2 In 1’, Carbo-Dome*
  • Greece · Ionil
  • Ireland · Exorex Lotion, Neutrogena T/Gel
  • Netherlands · Exorex, Exorex Lotion
  • Portugal · Tarmed

Source: European Medicines Agency, Article 57 product data.

Sourced from a public register and reproduced with attribution. Drug Database is not affiliated with, endorsed by, or a partner of FDA National Drug Code directory (United States). This is an informational data service and not a medical device — verify against the official source of record before any clinical decision.

For developers

The same record over the API, and the raw payload
GET /v1/drugs/b2031632-f050-4fa1-bd1a-bf4cc6f90f1b
GET /v1/drugs/b2031632-f050-4fa1-bd1a-bf4cc6f90f1b?format=fhir

Every response carries last_synced_at, so freshness is a field rather than a promise. Below is exactly what the ingestion wrote, before any presentation — the same JSON the API returns under payload.

{
  "unii": {
    "unii": "R533ESO2EC",
    "rxcui": "2635",
    "inchikey": null,
    "display_name": "COAL TAR",
    "substance_type": "structurallyDiverse",
    "ingredient_type": "INGREDIENT SUBSTANCE"
  },
  "route": "TOPICAL",
  "spl_meta": {
    "bca8d3d7-5463-0bf9-e053-2a95a90a4e73": {
      "match": "brand_token",
      "title": "PSORIASIN IN-SHOWER TREATMENT (COAL TAR) LOTION/SHAMPOO [KOBAYASHI HEALTHCARE INTERNATIONAL, INC.]",
      "spl_version": "5",
      "published_date": "2025-12-22"
    }
  },
  "productid": "52389-752_3779befa-85d1-ceeb-e063-6394a90a8257",
  "productndc": "52389-752",
  "dosage_form": "OINTMENT",
  "dea_schedule": null,
  "product_type": "HUMAN OTC DRUG",
  "substance_name": "COAL TAR",
  "proprietary_name": "Psoriasin",
  "active_ingred_unit": "mg/g",
  "application_number": "M032",
  "marketing_category": "OTC MONOGRAPH DRUG",
  "nonproprietary_name": "Coal Tar",
  "start_marketing_date": "20190621",
  "active_numerator_strength": "20"
}
API referenceMCP serverPlans

See everything about coal tar.

This page is the registration. A free account adds the label text as the regulator wrote it, what it costs per daily dose across the markets that publish a price, a feed of what changes in the registers, and an assistant that answers with its sources. Interaction severity is free; mechanism and management are on the Growth plan. No card, nothing to install.

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