# DrugFYI

> Comprehensive pharmacology encyclopedia. Active pharmaceutical ingredients with molecular properties, ADME pharmacokinetics, drug targets, drug-drug interactions, ATC classification, therapeutic areas, drug journeys (ADME narratives), drug families (SAR analysis), clinical milestones, pharmacological comparisons, side effects, glossary terms, guides, and interactive tools in 15 languages.

## Data Scope
- Active ingredients (INN) with IUPAC names, CAS numbers, UNII, PubChem CID, ChEMBL ID, DrugBank ID
- Molecular properties: formula, weight, SMILES, InChI, XLogP, TPSA, H-bond donors/acceptors, Lipinski
- Pharmacology: mechanism of action, pharmacodynamics, pharmacokinetics
- PK parameters: half-life, bioavailability, protein binding, metabolism, excretion
- ATC drug classes (hierarchical, 5 levels) with DDD (Defined Daily Dose)
- Drug targets (enzymes, receptors, ion channels, transporters, kinases) with UniProt/ChEMBL IDs
- Drug-target interactions with action type (inhibitor, agonist, antagonist, etc.) and binding affinity
- Drug-drug interactions with severity, mechanism, clinical significance, management
- Therapeutic areas with ICD-10 codes and MeSH terms
- Drug journeys: ADME narrative storytelling (absorption, distribution, mechanism, metabolism, excretion)
- Drug families: SAR analysis with core scaffolds, structural modifications, pharmacophore features
- Clinical milestones: drug discovery, mechanism elucidation, landmark approvals, Nobel prizes
- Pharmacological comparisons: head-to-head drug analysis (PK, PD, chemistry, clinical)
- Side effects with MedDRA codes and System Organ Class
- Glossary terms across 12 pharmacology categories
- Guides in 12 series (mechanisms, PK, drug classes, interactions, clinical trials, etc.)
- Interactive pharmacology tools (interaction checker, half-life calculator, Lipinski, etc.)
- SVG molecular structure visualizations

## URL Patterns
- Append `.md` to any URL for plain-text markdown format.
- i18n: URL prefix `/{lang}` for non-English (ko, ja, zh-hans, es, fr, de, pt, ru, vi, tr, ar, hi, th, id).
- `/drugs/` — Drug browse (paginated, filterable) (e.g. `/drugs/`)
- `/drugs/a-z/` — Drugs A-Z index (e.g. `/drugs/a-z/`)
- `/drug/{slug}/` — Drug detail with molecular data, PK, targets, interactions (e.g. `/drug/aspirin/`)
- `/classes/` — ATC drug classes (hierarchical) (e.g. `/classes/`)
- `/class/{atc_code}/` — Drug class detail (e.g. `/class/n02ba/`)
- `/targets/` — Drug targets list (e.g. `/targets/`)
- `/target/{slug}/` — Drug target detail with interacting drugs (e.g. `/target/cyclooxygenase-2/`)
- `/conditions/` — Therapeutic areas list (e.g. `/conditions/`)
- `/condition/{slug}/` — Therapeutic area detail (e.g. `/condition/cardiovascular-diseases/`)
- `/interaction/{drug_a}/{drug_b}/` — Drug-drug interaction detail (e.g. `/interaction/aspirin/warfarin/`)
- `/journeys/` — Drug journey narratives (ADME) (e.g. `/journeys/`)
- `/journey/{slug}/` — Drug journey detail (e.g. `/journey/the-journey-of-metformin/`)
- `/families/` — Drug families (SAR analysis) (e.g. `/families/`)
- `/family/{slug}/` — Drug family detail (e.g. `/family/the-statin-family/`)
- `/timeline/` — Clinical milestones timeline (e.g. `/timeline/`)
- `/timeline/calendar/` — Timeline calendar view (e.g. `/timeline/calendar/`)
- `/timeline/{year}/` — Timeline by year (e.g. `/timeline/2024/`)
- `/timeline/{slug}/` — Milestone detail (e.g. `/timeline/discovery-of-penicillin/`)
- `/on-this-day/` — On this day in pharmacology (e.g. `/on-this-day/`)
- `/on-this-day/{month-day}/` — On this day detail (e.g. `/on-this-day/03-14/`)
- `/comparisons/` — Pharmacological comparisons (e.g. `/comparisons/`)
- `/compare/{slug}/` — Head-to-head drug comparison (e.g. `/compare/aspirin-vs-ibuprofen/`)
- `/side-effects/` — Side effects list (MedDRA) (e.g. `/side-effects/`)
- `/side-effect/{slug}/` — Side effect detail (e.g. `/side-effect/headache/`)
- `/guide/` — Pharmacology guides (e.g. `/guide/`)
- `/guide/{slug}/` — Guide article (e.g. `/guide/understanding-drug-metabolism/`)
- `/glossary/` — Pharmacology glossary (e.g. `/glossary/`)
- `/glossary/{slug}/` — Glossary term definition (e.g. `/glossary/bioavailability/`)
- `/tools/` — Interactive pharmacology tools (e.g. `/tools/`)
- `/tools/{slug}/` — Tool page (e.g. `/tools/interaction-checker/`)
- `/gallery/` — Molecular structure gallery (e.g. `/gallery/`)
- `/rankings/` — Drug rankings index (e.g. `/rankings/`)
- `/rankings/{metric}/` — Drug ranking by metric (e.g. `/rankings/most-targets/`)
- `/search/` — Search drugs, targets, glossary (e.g. `/search/?q=aspirin`)
- `/statistics/` — DrugFYI statistics (e.g. `/statistics/`)

## Browse Drugs
- [All Drugs](https://drugfyi.com/drugs/)
- [Drugs A-Z](https://drugfyi.com/drugs/a-z/)
- [ATC Drug Classes](https://drugfyi.com/classes/)
- [Drug Targets](https://drugfyi.com/targets/)
- [Therapeutic Areas](https://drugfyi.com/conditions/)

## Pharmacology Content
- [Drug Journeys (ADME)](https://drugfyi.com/journeys/)
- [Drug Families (SAR)](https://drugfyi.com/families/)
- [Pharmacological Comparisons](https://drugfyi.com/comparisons/)
- [Side Effects](https://drugfyi.com/side-effects/)

## Timeline & History
- [Clinical Milestones](https://drugfyi.com/timeline/)
- [On This Day](https://drugfyi.com/on-this-day/)

## Guides & Education
- [All Guides](https://drugfyi.com/guide/)
- [Glossary](https://drugfyi.com/glossary/)

## Interactive Tools
- [All Tools](https://drugfyi.com/tools/)
- [Structure Gallery](https://drugfyi.com/gallery/)
- [Rankings](https://drugfyi.com/rankings/)

## Embed Widget
- [DrugFYI Widget Docs](https://widget.drugfyi.com)
- [drugfyi-embed on npm](https://www.npmjs.com/package/drugfyi-embed)
- [drugfyi-embed on GitHub](https://github.com/fyipedia/drugfyi-embed)

## REST API

Free REST API. No authentication required. JSON responses. CORS enabled.

| Method | Endpoint | Description |
|--------|----------|-------------|
| GET | `/api/v1/drugs/` | List active ingredients (paginated) |
| GET | `/api/v1/drugs/{id}/` | Drug detail with molecular properties |
| GET | `/api/v1/drug-classes/` | ATC drug classes |
| GET | `/api/v1/drug-classes/{id}/` | Drug class detail |
| GET | `/api/v1/drug-targets/` | Drug targets |
| GET | `/api/v1/drug-targets/{id}/` | Drug target detail |
| GET | `/api/v1/therapeutic-areas/` | Therapeutic areas |
| GET | `/api/v1/therapeutic-areas/{id}/` | Therapeutic area detail |
| GET | `/api/v1/interactions/` | Drug interactions |
| GET | `/api/v1/journeys/` | Drug journeys |
| GET | `/api/v1/journeys/{id}/` | Drug journey detail |
| GET | `/api/v1/families/` | Drug families |
| GET | `/api/v1/families/{id}/` | Drug family detail |
| GET | `/api/v1/milestones/` | Clinical milestones |
| GET | `/api/v1/milestones/{id}/` | Milestone detail |
| GET | `/api/v1/comparisons/` | Pharmacological comparisons |
| GET | `/api/v1/comparisons/{id}/` | Comparison detail |
| GET | `/api/v1/side-effects/` | Side effects |
| GET | `/api/v1/side-effects/{id}/` | Side effect detail |
| GET | `/api/v1/glossary/` | Glossary terms |
| GET | `/api/v1/glossary/{id}/` | Glossary term detail |
| GET | `/api/v1/guides/` | Guide articles |
| GET | `/api/v1/guides/{id}/` | Guide detail |
| GET | `/api/v1/tools/` | Interactive tools |
| GET | `/api/v1/faqs/` | FAQs |
| GET | `/api/v1/search/?q={query}` | Search across drugs, targets, glossary |
| GET | `/api/v1/stats/` | Site statistics |

```bash
curl -s "https://drugfyi.com/api/v1/drugs/?limit=5"
```

[API Docs](https://drugfyi.com/developers/)

## Health FYI Family

Part of [FYIPedia](https://fyipedia.com) developer tools ecosystem.
- [AnatomyFYI](https://anatomyfyi.com) — 14,692 anatomical structures, systems, organs
- [PillFYI](https://pillfyi.com) — Pill identification, FDA/MFDS drug database
- [DrugFYI](https://drugfyi.com) — Drug interactions, pharmacology, side effects
- [NutriFYI](https://nutrifyi.com) — Nutrition data, food composition, dietary analysis

## Images (CDN)

OG images at https://cdn.drugfyi.com/og/
- https://cdn.drugfyi.com/og/homepage.png

## Full Index
- [Full content index](https://drugfyi.com/llms-full.txt)
- [XML Sitemap](https://drugfyi.com/sitemap.xml)