United States· US:43063-982_303a8d17-68c8-fd01-e063-6394a90a4fd8

Sildenafil

A sildenafil product containing sildenafil, registered in United States by PD-Rx Pharmaceuticals, Inc.. The same ATC class is registered in 14 of our 19 countries.

ATC G04BE03Orange BookUS label

Checked against FDA National Drug Code directory (United States) on September 12, 2026

Informational only — not a medical device.

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

Where it is registered

Sildenafil is registered in 14 of 19 countries.

Countries holding a registration under ATC G04BE03 (sildenafil), 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 sildenafil products by name

Sildenafil · ATC G04BE03

14 / 19 countries

Belgiumprice
Canada
Czechiaprice
Denmark
Finlandprice
Icelandprice
Ireland
Italyprice
Japan
Netherlands
Norwayprice
Polandprice
Switzerlandprice
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 sildenafil costs, country by country.

Normalised to the WHO defined daily dose (50 mg), the median price runs from $0.13 in United States to $21.46 in Italy — a ×168 gap.

United States: $0.13 per daily dose (median across products in the class)
Public list prices, converted to USD at the rate date shown
US figures are pharmacy acquisition cost (CMS NADAC), not retail

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

Sildenafil · price per daily dose (50 mg)

USD · FX 28 Sept 2026

IT Italy$21.46
CH Switzerland$13.08
US United States$0.13 (acquisition cost)

Median listed price per WHO defined daily dose, in each market that publishes a price. US = pharmacy acquisition cost (CMS NADAC), not a retail price. Open the full comparison

The record

At a glance

FDA National Drug Code directory (United States)

Active substance: Sildenafil
Manufacturer: PD-Rx Pharmaceuticals, Inc.
Country: United States (US)
ATC code: G04BE03
ATC class: Sildenafil
Defined daily dose: 50 mg, O
Reimbursed: Not published by this register
Source register: FDA National Drug Code directory (United States)
Last checked: September 12, 2026

Packs & prices · 2

ndc11
4306398210
10 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (43063-982-10)
ndc11
4306398230
30 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (43063-982-30)

Regulatory notes

UNII (FDA substance ID)

BW9B0ZE037

SILDENAFIL CITRATE

RxCUI 221161

Orange Book

A203963

DailyMed SPL labels

1 version tracked

Interactions

399 interactions on record for sildenafil.

Graded by severity as the source publishes them — 11 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 sildenafil against other medicines How interaction checks work

Sildenafil · interactions on record

399 records

11 severe
118 moderate
4 minor
145 info

Most severe, free to view

KetoconazoleH02CA03severe
ErythromycinJ01FA01severe
ClarithromycinJ01FA09severe
KetoconazoleJ02AB02severe

121 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

Sildenafil in 16 other countries

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

All sildenafil products

Authorised across Europe · EMA

The same active substance is authorised in 31 EEA countries. Names it is sold under:

Austria · Direktan, Erixil
Belgium · Balcoga, Sildenafil Ab
Bulgaria · Azurvig, Balcoga Sandoz Pharmaceuticals D.D.
Cyprus · Lekap, Olvion
Czechia · Amfidor, Azurvig
Germany · Becedek, Duraviril
Denmark · Revastad, Sildenafil "orion"
Estonia · Mexonup, Olvion
Spain · Abeced, Azulsix
Finland · Balcoga Sandoz A/S, Orisild
France · Azulvig, Cetinor
United Kingdom (Northern Ireland) · Almus Erectile Dysfunction Relief, Aronix
Greece · Azurvig, Bluozi
Croatia · Azurvig, Dinamico
Hungary · Azurvig, Defelek
Ireland · Hezkue, Sidena
Iceland · Granpidam, Mysildecard
Italy · Azurvig, Balcoga
Liechtenstein · Granpidam, Mysildecard
Lithuania · Abedel, Avixar
Luxembourg · Sildenafil Ab, Sildenafil Eg
Latvia · Sildenafil Accord, Sildenafil Adamed
Malta · Sasah, Sibefil
Netherlands · Azulsix, Balcoga
Norway · Granpidam, Mysildecard
Poland · Actigra, Actigra Forte
Portugal · Amfidor, Erepry
Romania · Azurvig, Entranin
Sweden · Lekap, Olvion
Slovenia · Balcoga, Belfil
Slovakia · Amfidor, Azurvig

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/feae787e-de40-4b15-a363-ffc20717d1c3
GET /v1/drugs/feae787e-de40-4b15-a363-ffc20717d1c3?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.

{
  "unii": {
    "unii": "BW9B0ZE037",
    "rxcui": "221161",
    "inchikey": "DEIYFTQMQPDXOT-UHFFFAOYSA-N",
    "display_name": "SILDENAFIL CITRATE",
    "substance_type": "chemical",
    "ingredient_type": "INGREDIENT SUBSTANCE"
  },
  "route": "ORAL",
  "livertox": {
    "summary": null,
    "livertox_id": null,
    "hepatotoxicity_score": 3
  },
  "spl_meta": {
    "78c4551c-b922-43c9-9a5a-66377ea07bc2": {
      "match": "brand_token",
      "title": "SILDENAFIL CITRATE (SILDENAFIL) TABLET, FILM COATED [PD-RX PHARMACEUTICALS, INC.]",
      "spl_version": "24",
      "published_date": "2026-05-29"
    }
  },
  "productid": "43063-982_303a8d17-68c8-fd01-e063-6394a90a4fd8",
  "productndc": "43063-982",
  "dosage_form": "TABLET, FILM COATED",
  "orange_book": {
    "appl_no": "203963",
    "products": [
      {
        "rs": false,
        "rld": false,
        "te_code": "AB",
        "strength": "EQ 20MG BASE",
        "product_no": "001",
        "approval_date": "Nov 18, 2015"
      }
    ],
    "appl_type": "A"
  },
  "dea_schedule": null,
  "product_type": "HUMAN PRESCRIPTION DRUG",
  "substance_name": "SILDENAFIL CITRATE",
  "proprietary_name": "Sildenafil",
  "active_ingred_unit": "mg/1",
  "application_number": "ANDA203963",
  "marketing_category": "ANDA",
  "nonproprietary_name": "Sildenafil",
  "start_marketing_date": "20151118",
  "active_numerator_strength": "20"
}

API reference MCP server Plans

See everything about sildenafil.

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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