United States· US:24979-028_b08ee384-f82b-4f17-9e38-52ebc9187589

Diltiazem Hydrochloride

A diltiazem product containing diltiazem hydrochloride, registered in United States by Upsher-Smith Laboratories, LLC. The same ATC class is registered in 15 of our 19 countries.

ATC C08DB01US label

Checked against FDA National Drug Code directory (United States) on September 27, 2026

Informational only — not a medical device.

Compare price across countriesPer daily dose · free account Ask the assistant about diltiazem hydrochlorideAnswers with sources · free account Check interactionsSeverity free · mechanism on Growth

Where it is registered

Diltiazem is registered in 15 of 19 countries.

Countries holding a registration under ATC C08DB01 (diltiazem), each read from that country’s own register.

This record: United States, from FDA National Drug Code directory (United States)
9 of them publish a price we can compare per daily dose

Search diltiazem products by name

Diltiazem · ATC C08DB01

15 / 19 countries

Belgiumprice
Canada
Czechiaprice
Denmark
Finlandprice
Germany
Icelandprice
Ireland
Italyprice
Netherlands
Norwayprice
Polandprice
Switzerlandprice
United Kingdom
United Statesprice

Blue: a registration under this ATC code. The ringed marker is this record’s country. Markets marked price publish a price we can compare per daily dose.

Price per daily dose

What a daily dose of diltiazem costs, country by country.

Normalised to the WHO defined daily dose (0.24 g), the median price runs from $0.43 in Italy to $0.94 in Switzerland — a ×2.2 gap.

2 markets with a comparable price for this class
Public list prices, converted to USD at the rate date shown

Open the full comparison — free account Drug prices for market access

Diltiazem · price per daily dose (0.24 g)

USD · FX 28 Sept 2026

CH Switzerland$0.94
IT Italy$0.43

Median listed price per WHO defined daily dose, in each market that publishes a price. Open the full comparison

The record

At a glance

FDA National Drug Code directory (United States)

Active substance: DILTIAZEM HYDROCHLORIDE
Manufacturer: Upsher-Smith Laboratories, LLC
Country: United States (US)
ATC code: C08DB01
ATC class: Diltiazem
Defined daily dose: 0.24 g, O
Reimbursed: Not published by this register
Source register: FDA National Drug Code directory (United States)
Last checked: September 27, 2026

Packs & prices · 8

ndc11
2497902800
24000 CAPSULE, EXTENDED RELEASE in 1 PACKAGE (24979-028-00)
ndc11
2497902802
500 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (24979-028-02)
ndc11
2497902806
30 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (24979-028-06)
ndc11
2497902807
90 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (24979-028-07)
ndc11
24979-028-00
ndc11
24979-028-02
ndc11
24979-028-06
ndc11
24979-028-07

Regulatory notes

No shortage, Orange Book or US label notes for this record.

Interactions

516 interactions on record for diltiazem.

Graded by severity as the source publishes them — 50 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

Check diltiazem against other medicines How interaction checks work

Diltiazem · interactions on record

516 records

50 severe
259 moderate
29 minor
158 info

Most severe, free to view

CisaprideA03FA02severe
DolasetronA04AA04severe
NaloxegolA06AH03severe
LoperamideA07DA03severe

20 more interactions with mechanism and management, from a commercially licensed source.

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.

Mechanism and what to do, in the interaction check

Source: DDInter 2.0 · synced 29 Sept 2026. Grades as the source publishes them.

Same medicine, other countries

Diltiazem in 15 other countries

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

All diltiazem products

Authorised across Europe · EMA

The same active substance is authorised in 28 EEA countries. Names it is sold under:

Austria · Diltiazem Ratiopharm, Diltiazem Retard G.L
Belgium · Diltiazem Retard Eg, Progor
Bulgaria · Алдизем, Дилтиазем Софарма
Cyprus · Denazox, Diazem
Czechia · Diacordin Retard
Germany · Diltiazem Abz, Diltiazem Ethypharm
Denmark · Cardil
Estonia · Diltiazem Lannacher
Spain · Angiodrox, Carreldon Retard
Finland · Dilzem
France · Bi Tildiem L.P., Chlorhydrate De Diltiazem Viatris
United Kingdom (Northern Ireland) · Adizem-Sr, Adizem-Xl
Greece · Dipen, Elvesil
Croatia · Aldizem
Hungary · Blocalcin
Ireland · Adizem-Sr, Adizem-Xl
Iceland · Cardil
Italy · Altiazem, Diladel
Lithuania · Diltiazem Lannacher
Luxembourg · Diltiazem Retard Eg, Progor
Latvia · Diltiazem Lannacher
Malta · Denazox, Diazem
Netherlands · Diltiazem Aurobindo, Diltiazem Hcl Retard Mylan
Poland · Dilzem Retard
Portugal · Anatop, Anotrit
Romania · Diltiazem Arena, Diltiazem Eipico
Slovenia · Aldizem
Slovakia · Diacordin Retard

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/c2cc634e-825e-40a1-a069-27f11037c21a
GET /v1/drugs/c2cc634e-825e-40a1-a069-27f11037c21a?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": "240",
  "substance": "DILTIAZEM HYDROCHLORIDE",
  "productndc": "24979-028",
  "dosage_form": "CAPSULE, EXTENDED RELEASE",
  "dea_schedule": null,
  "strength_unit": "mg/1",
  "application_number": "ANDA205231",
  "marketing_category": "ANDA"
}

API reference MCP server Plans

See everything about diltiazem.

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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