United States· US:63323-658_85e1af90-9f5e-44a1-8bc3-5868be35812b
Chlorothiazide
A chlorothiazide product containing chlorothiazide sodium, registered in United States by Fresenius Kabi USA, LLC. The same ATC class is registered in 3 of our 19 countries.
Checked against FDA National Drug Code directory (United States) on
Informational only — not a medical device.
Where it is registered
Chlorothiazide is registered in 3 of 19 countries.
Countries holding a registration under ATC C03AA04 (chlorothiazide), each read from that country’s own register.
- This record: United States, from FDA National Drug Code directory (United States)
- 2 of them publish a price we can compare per daily dose
Chlorothiazide · ATC C03AA04
3 / 19 countries
- Finlandprice
- United Kingdom
- United Statesprice
The record
At a glance
FDA National Drug Code directory (United States)- Active substance
- CHLOROTHIAZIDE SODIUM
- Manufacturer
- Fresenius Kabi USA, LLC
- Country
- United States (US)
- ATC code
- C03AA04
- ATC class
- Chlorothiazide
- Defined daily dose
- 0.5 g, O
- Reimbursed
- Not published by this register
- Source register
- FDA National Drug Code directory (United States)
- Last checked
- September 27, 2026
Packs & prices · 2
- ndc1163323658271 VIAL in 1 BOX (63323-658-27) / 18 mL in 1 VIAL
- ndc1163323-658-27
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Interactions
253 interactions on record for chlorothiazide.
Graded by severity as the source publishes them — 4 severe. Severity grades are free for everyone; mechanism and management come with Growth.
- Severity for every pair — free, no plan needed
- The source, licence and sync date on every record
- Mechanism and what to do for each pair — Growth plan
Chlorothiazide · interactions on record
253 records
- 4 severe
- 204 moderate
- 19 minor
- 26 info
Most severe, free to view
- CisaprideA03FA02severe
- DolasetronA04AA04severe
- Aminolevulinic acidL01XD04severe
- Arsenic trioxideL01XX27severe
- Interaction severity from DDInter 2.0 (Xiong G. et al., Nucleic Acids Res.), licensed CC BY-NC 4.0 — free for non-commercial use only; not covered by the Drug Database commercial licence.
Same medicine, other countries
Chlorothiazide in 1 other country
What each register calls a product with the same active substance — salts and hydrates count as the same.
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/d4678600-cb25-426a-9075-5977a8ab0be2 GET /v1/drugs/d4678600-cb25-426a-9075-5977a8ab0be2?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": "INTRAVENOUS",
"source": "ndc",
"strength": "500",
"substance": "CHLOROTHIAZIDE SODIUM",
"productndc": "63323-658",
"dosage_form": "INJECTION, POWDER, LYOPHILIZED, FOR SOLUTION",
"dea_schedule": null,
"strength_unit": "mg/18mL",
"application_number": "ANDA090896",
"marketing_category": "ANDA"
}See everything about chlorothiazide.
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.