United States· US:46122-618_53b07156-c60e-4ca2-bd59-9b6410b1b03d
Allergy Relief
A chlorphenamine product containing chlorpheniramine maleate, registered in United States by Amerisource Bergen. The same ATC class is registered in 7 of our 19 countries.
Checked against FDA National Drug Code directory (United States) on
Informational only — not a medical device.
Where it is registered
Chlorphenamine is registered in 7 of 19 countries.
Countries holding a registration under ATC R06AB04 (chlorphenamine), each read from that country’s own register.
- This record: United States, from FDA National Drug Code directory (United States)
- 3 of them publish a price we can compare per daily dose
Chlorphenamine · ATC R06AB04
7 / 19 countries
- Belgiumprice
- Canada
- Ireland
- Japan
- Switzerlandprice
- United Kingdom
- United Statesprice
The record
At a glance
FDA National Drug Code directory (United States)- Active substance
- CHLORPHENIRAMINE MALEATE
- Manufacturer
- Amerisource Bergen
- Country
- United States (US)
- ATC code
- R06AB04
- ATC class
- Chlorphenamine
- Defined daily dose
- 12 mg, O
- Reimbursed
- Not published by this register
- Source register
- FDA National Drug Code directory (United States)
- Last checked
- September 27, 2026
Packs & prices · 2
- ndc1146122-618-62
- ndc1146122618622 BLISTER PACK in 1 CARTON (46122-618-62) / 12 TABLET in 1 BLISTER PACK
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Interactions
387 interactions on record for chlorphenamine.
Graded by severity as the source publishes them — 9 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
Chlorphenamine · interactions on record
387 records
- 9 severe
- 332 moderate
- 2 minor
- 44 info
Most severe, free to view
- Potassium chlorideA12BA01severe
- Potassium citrateA12BA02severe
- Potassium chlorideB05XA01severe
- Sodium oxybateN01AX11severe
- 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
Chlorphenamine in 6 other countries
What each register calls a product with the same active substance — salts and hydrates count as the same.
- United KingdomALLERcalm Allergy Relief 4mg tabletsActavis UK Ltd
- CanadaTEVA-PHENIRAMTEVA CANADA LIMITED
- IrelandPiriton Allergy 4mg TabletsHaleon Ireland Limited
- BelgiumKelargine 2 mg/5 mlCeres Pharmaceuticals
- FinlandAncesolVetViva Richter GmbH
- SwitzerlandArbid N, gouttes à avalerVerfora SA
Authorised across Europe · EMA
The same active substance is authorised in 5 EEA countries. Names it is sold under:
- United Kingdom (Northern Ireland) · 1 Year Plus Allergy Relief Antihistamine, Allergy Relief
- Greece · Drastino(N), Istamex
- Ireland · Chlorphenamine Evolan Pharma, Piriton Allergy
- Italy · Trimeton
- Romania · Clorfeniramin
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/da4ab7ba-ed8c-4510-9fef-86fdbe8d4269 GET /v1/drugs/da4ab7ba-ed8c-4510-9fef-86fdbe8d4269?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": "4",
"substance": "CHLORPHENIRAMINE MALEATE",
"productndc": "46122-618",
"dosage_form": "TABLET",
"dea_schedule": null,
"strength_unit": "mg/1",
"application_number": "M012",
"marketing_category": "OTC MONOGRAPH DRUG"
}See everything about chlorphenamine.
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.