Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Ranitidine

Ranitidine, sold under the brand name Zantac among others, is a medication used to decrease stomach acid production. It is used in the treatment of peptic ulcer disease, gastroesophageal reflux disease, and Zollinger–Ellison syndrome. It can be given by mouth, injection into a muscle, or injection into a vein.

History, Applications, Products & Standards

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Ranitidine. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

3D model (JSmol)
Interactive image
AHFS/Drugs.com
Monograph
ATC code
A02BA02 (WHO) A02BA07 (WHO) (ranitidine bismuth citrate)
Bioavailability
50% (by mouth)
CAS Number
66357-35-5 · HCl: 66357-59-3
ChEBI
CHEBI:8776 · HCl: CHEBI:8777

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Medical uses

Adverse effects

Precautions

Pharmacology

History

Preparations

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Ranitidine

Nodes111
Edges110
Triples155
Avg. degree1.98
Density0.018018
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Ranitidine

Top relations

related to history · 24
Ranitidine → AH19065, Allen, Both, CYP450, England, French, Glaxo, Glaxo Group Research, Glaxo Wellcome, GlaxoSmithKline, GSK, H2, Hanbury's Ltd, Hanburys, Its, John Bradshaw, Kline, November, Sir James Black, Smith
related to Cancer-causing due to inherent instability · 21
Ranitidine → Apotex Inc, Canada, Drug Administration, EMA, European Commission, European Union-wide, FDA, Health Canada, In June, In September, N-nitrosodimethylamine, NDMA, Pro Doc Limitée, Sandoz Canada, Sanis Health Inc, Sivem Pharmaceuticals ULC, The European Medicines Agency, US Food, Valisure, Zantac
related to Medical uses · 16
Ranitidine → Ellison, Erosive, GERD, GI, GORD, Helicobacter, In, NSAID-induced, NSAIDs, Pathologic, PPIs, Prevention, Proton-pump, Relief, The, Zollinger
related to Gastrointestinal · 9
Ranitidine → B12, Drugs, Elderly, Even, GI, H2, IgE, In, Patients
related to Preparations · 8
Ranitidine → In, In Australia, In India, Larger, OTC, Preparations, United Kingdom, United States
related to Mechanism of action · 5
Ranitidine → Additional, H2, In, Ranitidine's, This
Legal status · 4
Ranitidine → AU: S4 (Prescription only) / S2 (Pharmacy Medicine), CA: ℞-only / OTC, EU: Rx-only, US: ℞-only / OTC
related to Children · 3
Ranitidine → H2, In, VLBW
related to Disease-related concerns · 3
Ranitidine → In, It, Relief
CAS Number · 2
Ranitidine → 66357-35-5, HCl: 66357-59-3

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

ndma 2019 may drug medicines products h2 fda united levels found 2020 risk states receptor recalled effects drugs issued zantac

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Ranitidine3D model (JSmol)Interactive image1.00infobox
RanitidineAHFS/Drugs.comMonograph1.00infobox
RanitidineATC codeA02BA02 (WHO) A02BA07 (WHO) (ranitidine bismuth citrate)1.00infobox
RanitidineBioavailability50% (by mouth)1.00infobox
RanitidineCAS Number66357-35-51.00infobox
RanitidineCAS NumberHCl: 66357-59-31.00infobox
RanitidineChEBICHEBI:87761.00infobox
RanitidineChEBIHCl: CHEBI:87771.00infobox
RanitidineChEMBLChEMBL17900411.00infobox
RanitidineChEMBLHCl: ChEMBL21103721.00infobox
RanitidineChemSpider48631.00infobox
RanitidineChemSpiderHCl: 435901.00infobox
RanitidineCompTox Dashboard (EPA)DTXSID80451911.00infobox
RanitidineDrug classHistamine H2 receptor antagonist, aka H2 blocker1.00infobox
RanitidineDrugBankDB008631.00infobox
RanitidineDrugBankHCl: DBSALT0004871.00infobox
RanitidineECHA InfoCard100.060.2831.00infobox
RanitidineElimination half-life2–3 hours1.00infobox
RanitidineExcretion30–70% kidney1.00infobox
RanitidineFormulaC13H22N4O3S1.00infobox
RanitidineIUPHAR/BPS12341.00infobox
RanitidineKEGGD004221.00infobox
RanitidineKEGGHCl: D006731.00infobox
RanitidineLegal statusAU: S4 (Prescription only) / S2 (Pharmacy Medicine)1.00infobox
RanitidineLegal statusCA: ℞-only / OTC1.00infobox
RanitidineLegal statusUS: ℞-only / OTC1.00infobox
RanitidineLegal statusEU: Rx-only1.00infobox
RanitidineLicense dataUS DailyMed: Ranitidine1.00infobox
RanitidineMedlinePlusa6011061.00infobox
RanitidineMetabolismLiver: FMOs, including FMO3; other enzymes1.00infobox

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.