 
			| List | Section | Observation | 
|---|---|---|
| WHO Model List of Essential Medicines (2021) | 17.1. Antiulcer medicines | Others observations: The Expert Committee has requested a review of the comparative effectiveness and safety, for possible deletion of this class of medicine at its next meeting. This medicine has the best evidence for effectiveness and safety. | 
| Peru | 17.1.2 Anti-Ulcers | No observations | 
| Trinidad and Tobago. Pharmaceutical Ven Listing 2019. Ministry of Health. | Gi Ulcer Healing-H2 Receptor Antagonist | No observations | 
| Belize. National Drug Formulary | 17.01 Antacids and other antiulcer medicines | No observations | 
| Cayman Islands Health Services Authority Pharmacy Drug Formulary | 01.03.01 H2-receptor antagonists | No observations | 
| List | Section | Observation | 
|---|---|---|
| Mexico. Cuadro Basico de Medicamentos - 2017 | 08. GASTROENTEROLOGIA | No observations | 
| List | Section | Observation | 
|---|---|---|
| Jamaica. List of Vital Essential and Necessary Drugs and Medical Sundries for Public Health Institutions. 2015 | 06.04 ULCER HEALING DRUGS | No observations | 
| Brasil. Relação Nacional de Medicamentos Essenciais. 2020 | A. APARELHO DIGESTIVO E METABOLISMO | No observations | 
| Guyana. Essential Medicines List. 2020-2021 | H₂ - Receptor Antagonists | No observations | 
| Organisation of Eastern Caribbean States. Medical Products List. 2019-2021 | 56:40 Miscellaneous Gastrointestinal Agents | No observations | 
| Haiti. National List of Essential Medicines | 17.01 Anti-acid/ Anti-ulcer | No observations | 
| Barbados. Barbados National Drug Formulary (BNDF) | 56.28.12 Histamine Receptor Antagonists | No observations | 
| List | Section | Observation | 
|---|---|---|
| Chile. Formulario Nacional de Medicamentos. 2005 | 16.01. ANTIACIDOS Y OTROS MEDICAMENTOS ANTIULCEROSOS | No observations | 
| List | Section | Observation | 
|---|---|---|
| Ecuador | Essential Medicines List - Ecuador | No observations | 
| List | Section | Observation | 
|---|---|---|
| Mexico. Cuadro Basico de Medicamentos - 2017 | 08. GASTROENTEROLOGIA | No observations | 
| El Salvador - 2019 | AGENTES PARA TRASTORNOS RELACIONADOS CON ÁCIDO | No observations | 
| Paraguay. Lista de Medicamentos Esenciales. 2009 | 02. AGENTES PARA EL TRATAMIENTO DE ALTERACIONES CAUSADAS POR ÁCIDOS | No observations | 
| List | Section | Observation | 
|---|---|---|
| Cuba. Cuadro Básico de Medicamentos 2018. Ministerio de Salud Pública. | CUADRO BÁSICO DE MEDICAMENTOS 2018. Ministerio de Salud Pública. | No observations | 
| List | Section | Observation | 
|---|---|---|
| Colombia. "Listado de Medicamentos del Plan de Beneficios en Salud con Cargo a la UPC" 2016 | Listado de Medicamentos del Plan de Beneficios en Salud con cargo a la UPC | Others observations: chlorhidrato INCLUYE TODAS LAS CONCENTRACIONES Y FORMAS FARMACÉUTICAS SALVO: FORMAS FARMACÉUTICAS LÍQUIDAS DE ADMINISTRACIÓN ORAL | 
| Argentina. FTN COMRA. Confederacion Medica de la Rep. Argentina. 2018 | 07.02. MEDICAMENTOS ANTIULCEROSOS | No observations | 
| List | Section | Observation | 
|---|---|---|
| WHO Model List of Essential Medicines (2021) | 17.1. Antiulcer medicines | Others observations: The Expert Committee has requested a review of the comparative effectiveness and safety, for possible deletion of this class of medicine at its next meeting. This medicine has the best evidence for effectiveness and safety. | 
| El Salvador - 2019 | AGENTES PARA TRASTORNOS RELACIONADOS CON ÁCIDO | Others observations: USO EXCLUSIVO DE: PEDIATRÍA Y GASTROENTEROLOGÍA | 
| Guyana. Essential Medicines List. 2020-2021 | H₂ - Receptor Antagonists | No observations | 
| List | Section | Observation | 
|---|---|---|
| Brasil. Relação Nacional de Medicamentos Essenciais. 2020 | A. APARELHO DIGESTIVO E METABOLISMO | No observations | 
| Bahamas. Drug Formulary | 01. DRUGS ACTING ON THE GASTROINTESTINAL SYSTEM | No observations | 
| List | Section | Observation | 
|---|---|---|
| Jamaica. List of Vital Essential and Necessary Drugs and Medical Sundries for Public Health Institutions. 2015 | 06.04 ULCER HEALING DRUGS | No observations | 
| Haiti. National List of Essential Medicines | 17.01 Anti-acid/ Anti-ulcer | No observations | 
| Belize. National Drug Formulary | 17.01 Antacids and other antiulcer medicines | No observations | 
| List | Section | Observation | 
|---|---|---|
| Mexico. Cuadro Basico de Medicamentos - 2017 | 08. GASTROENTEROLOGIA | No observations | 
| Cayman Islands Health Services Authority Pharmacy Drug Formulary | 01.03.01 H2-receptor antagonists | No observations | 
| List | Section | Observation | 
|---|---|---|
| Ecuador | Essential Medicines List - Ecuador | No observations | 
| List | Section | Observation | 
|---|---|---|
| Peru | 17.1.2 Anti-Ulcers | No observations | 
| Jamaica. List of Vital Essential and Necessary Drugs and Medical Sundries for Public Health Institutions. 2015 | 06.04 ULCER HEALING DRUGS | No observations | 
| List | Section | Observation | 
|---|---|---|
| Trinidad and Tobago. Pharmaceutical Ven Listing 2019. Ministry of Health. | Gi Ulcer Healing-H2 Receptor Antagonist | No observations | 
| Mexico. Cuadro Basico de Medicamentos - 2017 | 08. GASTROENTEROLOGIA | No observations | 
| Cuba. Cuadro Básico de Medicamentos 2018. Ministerio de Salud Pública. | CUADRO BÁSICO DE MEDICAMENTOS 2018. Ministerio de Salud Pública. | Others observations: EST. X 3 BLISTER X 10 TABLETAS REVESTIDAS C/U. | 
| Mexico. Cuadro Basico de Medicamentos - 2017 | 08. GASTROENTEROLOGIA | No observations | 
| Brasil. Relação Nacional de Medicamentos Essenciais. 2020 | A. APARELHO DIGESTIVO E METABOLISMO | No observations | 
| Paraguay. Lista de Medicamentos Esenciales. 2009 | 02. AGENTES PARA EL TRATAMIENTO DE ALTERACIONES CAUSADAS POR ÁCIDOS | No observations | 
| Chile. Formulario Nacional de Medicamentos. 2005 | 16.01. ANTIACIDOS Y OTROS MEDICAMENTOS ANTIULCEROSOS | No observations | 
| Guyana. Essential Medicines List. 2020-2021 | H₂ - Receptor Antagonists | No observations | 
| Organisation of Eastern Caribbean States. Medical Products List. 2019-2021 | 56:40 Miscellaneous Gastrointestinal Agents | No observations | 
| Suriname. NGK-C-011 | 17.1 Antacids and other anti-ulcer agents | No observations | 
| Haiti. National List of Essential Medicines | 17.01 Anti-acid/ Anti-ulcer | No observations | 
| Barbados. Barbados National Drug Formulary (BNDF) | 56.28.12 Histamine Receptor Antagonists | No observations | 
| Bahamas. Drug Formulary | 01. DRUGS ACTING ON THE GASTROINTESTINAL SYSTEM | No observations | 
| Cayman Islands Health Services Authority Pharmacy Drug Formulary | 01.03.01 H2-receptor antagonists | No observations | 
| List | Section | Observation | 
|---|---|---|
| WHO Model List of Essential Medicines (2021) | 17.1. Antiulcer medicines | Others observations: The Expert Committee has requested a review of the comparative effectiveness and safety, for possible deletion of this class of medicine at its next meeting. This medicine has the best evidence for effectiveness and safety. | 
| Peru | 17.1.2 Anti-Ulcers | No observations | 
| Jamaica. List of Vital Essential and Necessary Drugs and Medical Sundries for Public Health Institutions. 2015 | 06.04 ULCER HEALING DRUGS | No observations | 
| El Salvador - 2019 | AGENTES PARA TRASTORNOS RELACIONADOS CON ÁCIDO | No observations | 
| Belize. National Drug Formulary | 17.01 Antacids and other antiulcer medicines | No observations | 
| List | Section | Observation | 
|---|---|---|
| Chile. Formulario Nacional de Medicamentos. 2005 | 16.01. ANTIACIDOS Y OTROS MEDICAMENTOS ANTIULCEROSOS | No observations | 
| Organisation of Eastern Caribbean States. Medical Products List. 2019-2021 | 56:40 Miscellaneous Gastrointestinal Agents | No observations | 
| Haiti. National List of Essential Medicines | 17.01 Anti-acid/ Anti-ulcer | No observations | 
| Barbados. Barbados National Drug Formulary (BNDF) | 56.28.12 Histamine Receptor Antagonists | No observations | 
| Bahamas. Drug Formulary | 01. DRUGS ACTING ON THE GASTROINTESTINAL SYSTEM | No observations |