Chemical formula: C₁₃H₂₂N₄O₃S Molecular mass: 314.4 g/mol PubChem compound: 3001055
Ranitidine is a specific rapidly acting histamine H2-antagonist. It inhibits basal and stimulated secretion of gastric acid, reducing both the volume and the acid and pepsin content of the secretion. Ranitidine has a relatively long duration of action and so a single 150 mg dose effectively suppresses gastric acid secretion for twelve hours.
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
| ATC code | Group title | Classification |
|---|---|---|
| A02BA02 | Ranitidine | A Alimentary tract and metabolism → A02 Drugs for acid related disorders → A02B DRUGS FOR PEPTIC ULCER AND GASTRO-OESOPHAGEAL REFLUX DISEASE (GORD) → A02BA H2-receptor antagonists |
Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):
| Title | Information Source | Document Type | |
|---|---|---|---|
| ZANTAC Injection (Aqueous solution) | Medicines & Healthcare Products Regulatory Agency (GB) | MPI, EU: SmPC | |
| ZANTAC Tablets | Medicines & Healthcare Products Regulatory Agency (GB) | MPI, EU: SmPC |
Ranitidine is an active ingredient of these brands:
United States (US)
Brazil (BR)
Canada (CA)
Cyprus (CY)Estonia (EE)Hong Kong (HK)
Lithuania (LT)New Zealand (NZ)
Nigeria (NG)Poland (PL)
Singapore (SG)
South Africa (ZA)
Tunisia (TN)
Turkey (TR)
Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide. |
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