|Articles|December 5, 2014

OTC Cimetidine Could Fight Colon Cancer

The OTC antacid is being investigated for its potenial to combat colon cancer.

According to a study published in the British Journal of Cancer, cimetidine has anti-cancer properties and can be used in the fight against colon cancer.

Cimetidine, an OTC indigestion medication, reduces stomach acid by blocking histimine receptors in the gut. What is being investigated is the drug's potiential to also block histimine receptors in cancer cells and boost the immune system's protection against colon cancer.

Other OTC medications that are being investigated for possible anti-cancer properties include mebendazole, diclofenac, metformin, aspirin, and clarithromycin.

Stay informed on drug updates, treatment guidelines, and pharmacy practice trends—subscribe to Pharmacy Times for weekly clinical insights.

Latest CME

In-Person Conference

NEIAP Conference 2026

September 11, 2026

Virtual Symposium Registration

New Treatments in Systemic Lupus Erythematosus to Advance Care: A Managed Care Focus on Nephritis

Friday, September 11, 2026 | 7:00 AM – 8:00 AM EDT

Virtual Event

Directions in Oncology Pharmacy® 2026 Midwest

Saturday, September 19, 2026 | 8:00 AM – 2:00 PM CT

Webinar Registration

Shingles Vaccination: Opportunities for Pharmacist Interventions to Provide Patient Education

Thursday, September 10 | Tuesday, September 22, 2026 at 1:00 PM and 8:00 PM EDT

Virtual Event

Infectious Disease Day of Education 2026

Thursday, September 24, 2026

Virtual Symposium Registration

Continuing the Conversation—Breaking Barriers in Obesity Management: Localizing Care, Maximizing Treatment Access, and Sustaining Adherence

Friday, October 2, 2026 | 1:00 PM – 2:30 PM EDT

On-Demand Virtual Symposium

The Educated Pharmacist: Overcoming Clinical Inertia—An Interactive Case Workshop for Optimizing Insulin Use

1.5 Credits / Endocrinology

Online Article

Navigating the Complexities of Personalized Prostate Cancer Care: Insights for Oncology Managed Care

2.0 Credits / Genitourinary Cancer, Men's Health, Oncology

OTC Cimetidine Could Fight Colon Cancer

Related Content

FDA Approves Camizestrant for ESR1-Mutated Breast Cancer

Building a Strong Financial Foundation: 5 Pillars Every Pharmacist Needs Before Optimizing Their Financial Plan

Tumor-Derived Antioxidant Protein May Drive Immunotherapy Resistance

Desai: Screen HCM Patients for Sleep Apnea Aggressively

Are Sickle Cell Pain Trials Measuring the Wrong Outcomes—and How Can Pharmacists Help?

Latest CME

NEIAP Conference 2026

New Treatments in Systemic Lupus Erythematosus to Advance Care: A Managed Care Focus on Nephritis

Directions in Oncology Pharmacy® 2026 Midwest

Shingles Vaccination: Opportunities for Pharmacist Interventions to Provide Patient Education

Infectious Disease Day of Education 2026

Continuing the Conversation—Breaking Barriers in Obesity Management: Localizing Care, Maximizing Treatment Access, and Sustaining Adherence

The Educated Pharmacist: Overcoming Clinical Inertia—An Interactive Case Workshop for Optimizing Insulin Use

Navigating the Complexities of Personalized Prostate Cancer Care: Insights for Oncology Managed Care

Advancing HER2-Driven Cancer Care, Biomarker Testing, and Pharmacist Innovation

Navigating Outpatient Bispecific Antibody Administration in Lymphoma: Practical Solutions for Community Oncology Practices

Infectious Disease Day of Education 2026

Redefining Care in Polycythemia Vera and Essential Thrombocythemia: Emerging Evidence, Evolving Strategies, and the Pharmacist’s Role

Innovations in Narcolepsy Treatment: Emerging Targets and Implications for Managed Care

Evolving Treatment Options in Plaque Psoriasis: Implications of Emerging TYK2 Inhibitors for Managed Care

PBMI 2026

Directions in Oncology Pharmacy® 2026 West Coast

Lung Cancer Day of Education 2026

Specialty Pharmacy Day of Education 2026

Advancing Treatment Strategies in Extensive-Stage Small Cell Lung Cancer: Enhancing Pharmacist Competence in Therapy Selection, Administration, and Adverse Event Management

Pharmacists at the Forefront: Enhancing Targeted Therapy Implementation and Patient Outcomes in Advanced Gastric Cancer

Bridging Clinical and Access Gaps in Phenylketonuria: A Managed Care Perspective

Advancing the Idiopathic Pulmonary Fibrosis Treatment Landscape: What’s Next in Care

Sugar, We’re Going Down: Navigating Glycemic Control in the Era of PI3K/AKT Inhibition for Breast Cancer

Best Practice Approaches for Understanding Chronic Obstructive Pulmonary Disease and Precision Medicine Treatment

Collaborative Practice Agreement Implementation and Adherence: A Practical Roadmap for Oncology Pharmacists

HER2-Positive Metastatic Breast Cancer: A Managed Care Perspective on Emerging Therapies and Clinical Data

Advancing Patient Safety: Strategies to Address Safety Risks and Adherence Barriers to Optimize Outcomes for Patients on Injectable Therapies

An American Journal of Managed Care Forum: Bridging Evidence and Access in Advanced Small Cell Lung Cancer

Two Targets, One Mission: Optimizing Bispecific Antibody Use in Non-Hodgkin Lymphoma

Stop and Smell the ROSis: Translating Molecular Results Into Actionable Pharmacy Practice in ROS1-Rearranged NSCLC

2025 SABCS Abstracts to Action: From Data to Decisions in HR+ Breast Cancer Care

Enhancing The Role of Oncology Pharmacists in Multidisciplinary Myeloproliferative Neoplasm Care

From Payload to Patient: Managing Toxicities of Antibody-Drug Conjugates Directed at HER2 and TROP2

Artificial Intelligence in Pharmacy Practice: Validated Tools, Real-World Applications, and Emerging Innovations (Pharmacy Technician Credit)

Artificial Intelligence in Pharmacy Practice: Validated Tools, Real-World Applications, and Emerging Innovations

Pharmacogenomics in Practice: Enhancing Patient Care Through Genetic Insights

Navigating the Legal Landscape of Telehealth: Updates and Implications for Pharmacists and Technicians

From Testing to Treatment: Empowering Pharmacists to Overcome Barriers and Optimize Biomarker-Driven Care

Clinical Presentation of Hyperglycemia with PI3K and AKT Inhibitors

Addressing Vaccine Hesitancy in Infectious Disease Prevention

Protecting Against Meningococcal Disease: Updates on Vaccines, Guidelines, and Pharmacist Best Practices

Targeting the Root of Autoimmunity in Generalized Myasthenia Gravis: Pharmacist Strategies for Integrating FcRn Therapies Into Specialty Practice

IL-23 Inhibitors in Psoriasis: Optimizing Access and Patient Outcomes Across Integrated Systems

Utilizing VMAT-2 Inhibitors for the Management of Tardive Dyskinesia: The Role of Long-Term Care Pharmacists

The Expanding Therapeutic Landscape in IgA Nephropathy: Translating New Clinical Evidence and Updated Guidelines Into Managed Care Strategies

Influenza Immunization in Older Adults: Enhanced Vaccines and Best Practices for Long-Term Care Pharmacists

Multidisciplinary Insights and Strategies for Patients Treated With PI3K and AKT Inhibitors to Prevent Hyperglycemia

Innovations in Retinal Therapies: A Managed Care Perspective on Anti-VEGF Advancements

Navigating Advanced Prostate Cancer Treatment: Optimizing Novel Therapeutic Strategies for Managed Care Pharmacists

Cardiorenal Protection With SGLT2 Inhibitors: Perspectives for Managed Care

Bridging Innovation and Access in HR-Positive/HER2-Negative Metastatic Breast Cancer: Implications for Managed Care

Multidisciplinary Insights to Enhance Biomarker Testing Practices in Non-Small Cell Lung Cancer

Minimizing Injection Burden: Anti-VEGF Innovation for Retinal Disease Management

Beyond the Nasal Passage: Managing Chronic Rhinosinusitis With Nasal Polyps With Biologics and Pharmacist-Led Approaches

Exploring Immunotherapy Strategies in Endometrial Cancer

New Oncology Therapy Approvals for 2025 (Pharmacist Credit)

Navigating Novel Therapies in Steroid-Refractory cGVHD: Practical Strategies for Community-Based Oncology Pharmacists

Panel Discussion: Integrating Novel Combinations and Earlier Line Use in Diffuse Large B-Cell Lymphoma

Optimizing Patient Outcomes in R/R DLBCL: Bridging Knowledge Gaps for Oncology Pharmacists in the Era of Novel Immunotherapies

Clinical Panel Debate: CAR T-Cell Therapy vs Bispecific Antibodies

From Molecules to Medicine: Pharmacologic Principles of Innovative Non-Hodgkin Lymphoma Therapies

The Pharmacist's Role in Palliative and End of Life Symptom Management

Understanding mRNA Vaccines: Dispelling Myths and Empowering Pharmacists to Counsel Patients (Pharmacy Technician Credit)

Understanding mRNA Vaccines: Dispelling Myths and Empowering Pharmacists to Counsel Patients

Precision Matters: Foundations of Biomarker-Driven Care in Non-Small Cell Lung Cancer

Reducing the Treatment Burden in HIV Management: The Pharmacist’s Role in Long-Acting Injectable Adoption

New Horizons in ATTR-CM: Therapeutic Advances and Strategic Insights

Transforming Gout Care: Navigating Barriers and Therapeutic Advances in Disease Management

Reducing Transfusion Burden in Myeloid Disorders: Novel Therapeutic Strategies and Pharmacist Interventions

The Pharmacist's Role in Palliative and End of Life Symptom Management (Pharmacy Technician Credit)

Optimizing Lipid Management in Statin-Intolerant Populations: Payer Strategies for Evidence-Based Access and Risk Reduction

Specialty Pharmacy Day of Education 2026