United Kingdom· GB-APID-37942711000001102
Pyridium 100mg tablets
A phenazopyridine product containing phenazopyridine, registered in United Kingdom by Imported (United States). The same ATC class is registered in 2 of our 19 countries.
Checked against NHS dm+d (United Kingdom) on
Informational only — not a medical device.
Where it is registered
Phenazopyridine is registered in 2 of 19 countries.
Countries holding a registration under ATC G04BX06 (phenazopyridine), each read from that country’s own register.
- This record: United Kingdom, from NHS dm+d (United Kingdom)
- 1 of them publish a price we can compare per daily dose
Phenazopyridine · ATC G04BX06
2 / 19 countries
- United Kingdom
- United Statesprice
The record
At a glance
NHS dm+d (United Kingdom)- Active substance
- Phenazopyridine
- Manufacturer
- Imported (United States)
- Country
- United Kingdom (GB)
- ATC code
- G04BX06
- ATC class
- Phenazopyridine
- Defined daily dose
- 0.6 g, O
- Reimbursed
- Not published by this register
- Source register
- NHS dm+d (United Kingdom)
- Last checked
- September 13, 2026
Packs & prices · 0
No packs listed by the register for this record.
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Interactions
40 interactions on record for phenazopyridine.
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
Phenazopyridine · interactions on record
40 records
- 4 severe
- 36 moderate
Most severe, free to view
- LeflunomidL04AA13severe
- TeriflunomidL04AA31severe
- LeflunomideL04AK01severe
- TeriflunomideL04AK02severe
- 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
Phenazopyridine in 2 other countries
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 NHS dm+d (United Kingdom). 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/748373a2-c2df-49e2-8fb3-edab2019b124 GET /v1/drugs/748373a2-c2df-49e2-8fb3-edab2019b124?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.
{
"apid": "37942711000001102",
"desc": "Pyridium 100mg tablets (Imported (United States))",
"form": "Oral tablet",
"vpid": "42039311000001102",
"source": "dmd",
"vtm_id": "777154001",
"strength": "100 mg",
"substance": "Phenazopyridine",
"ingredient": "Phenazopyridine hydrochloride",
"supplier_code": "11821411000001108"
}See everything about phenazopyridine.
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.