United States· US:33342-426_5de362df-8fb9-4421-864c-7ea06339d6e7
Chlorthalidone
A medicinal product containing chlorthalidone, registered in United States by Macleods Pharmaceuticals Limited.
Checked against FDA National Drug Code directory (United States) on
Informational only — not a medical device.
The record
At a glance
FDA National Drug Code directory (United States)- Active substance
- CHLORTHALIDONE
- Manufacturer
- Macleods Pharmaceuticals Limited
- Country
- United States (US)
- ATC code
- —
- Reimbursed
- Not published by this register
- Source register
- FDA National Drug Code directory (United States)
- Last checked
- September 27, 2026
Packs & prices · 4
- ndc1133342-426-07
- ndc1133342-426-10
- ndc1133342-426-11
- ndc1133342-426-44
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Same medicine, other countries
Chlorthalidone in 12 other countries
What each register calls a product with the same active substance — salts and hydrates count as the same.
- United KingdomChlortalidone 50mg tabletsMedihealth (Northern) Ltd
- PolandHygrotonInPharm Sp. z o.o.
- CzechiaULDIULANG.L. Pharma GmbH, Lannach
- SpainCLORTALIDONA GLENMARK 50 MG COMPRIMIDOS EFGGlenmark Arzneimittel Gmbh
- CanadaAPO-CHLORTHALIDONEAPOTEX INC
- NetherlandsChloortalidon Glenmark 50 mg tablettenGlenmark Arzneimittel GmbH
- SwitzerlandChlortalidon Galepharm
- BelgiumAtenolol/Chloortalidone EG 100 mg - 25 mgEG
Authorised across Europe · EMA
The same active substance is authorised in 17 EEA countries. Names it is sold under:
- Austria · Hydrosan, Uldiulan
- Belgium · Hygroton
- Bulgaria · Zornichka, Зорничка
- Czechia · Uldiulan
- Germany · Chlortalidon Axiromed, Chlortalidon Glenmark
- Spain · Clortalidona Glenmark, Higrotona
- United Kingdom (Northern Ireland) · Chlortalidone Glenmark Pharmaceuticals Europe, Chlortalidone Morningside Healthcare
- Greece · Hygroton, Unidone
- Croatia · Kataldi, Klortalidon Sandoz
- Hungary · Uldiulan
- Italy · Igroton
- Netherlands · Chloortalidon Focus Care, Chloortalidon Glenmark
- Poland · Hygroton, Uldiulan
- Portugal · Clorotalidona Farmoz, Clorotalidona Glenmark
- Romania · Uldiulan
- Sweden · Hygropax
- Slovakia · Uldiulan
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/6112b6bb-fd26-4c4e-815e-9338d6ddc150 GET /v1/drugs/6112b6bb-fd26-4c4e-815e-9338d6ddc150?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.
{
"route": "ORAL",
"source": "ndc",
"strength": "50",
"substance": "CHLORTHALIDONE",
"productndc": "33342-426",
"dosage_form": "TABLET",
"dea_schedule": null,
"strength_unit": "mg/1",
"application_number": "ANDA212229",
"marketing_category": "ANDA"
}See everything about chlorthalidone.
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.