What is the interaction between Amoxicillin (amoxicillin) and Albendazole (albendazole)?

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Last updated: April 6, 2025View editorial policy

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From the Guidelines

Amoxicillin and albendazole can generally be taken together as there is no significant interaction between these medications. You can continue using both medications as prescribed by your healthcare provider without needing to adjust the timing or dosage of either drug. Amoxicillin is an antibiotic that treats bacterial infections by inhibiting cell wall synthesis, while albendazole is an antiparasitic medication that works by preventing worms from absorbing glucose, ultimately causing their death. These medications work through different mechanisms and target different types of organisms.

Key Points to Consider

  • The primary concern with concurrent administration of multiple medications is the potential for drug interactions, which can lead to adverse effects or reduced efficacy of one or both drugs.
  • According to the provided evidence, there is no mention of a significant interaction between amoxicillin and albendazole 1.
  • Both medications may occasionally cause similar side effects such as stomach upset, nausea, or diarrhea, so monitoring for increased gastrointestinal symptoms is advisable.
  • It is essential to complete the full course of both medications as prescribed, even if symptoms improve before finishing the treatment, to ensure complete eradication of the infection or parasitic infestation.

Mechanism of Action and Potential Side Effects

  • Amoxicillin works by inhibiting cell wall synthesis in bacteria, leading to their death.
  • Albendazole works by preventing worms from absorbing glucose, ultimately causing their death.
  • Common side effects of these medications include gastrointestinal symptoms, which should be monitored when taking them together.

Clinical Implications

  • The lack of significant interaction between amoxicillin and albendazole, as indicated by the absence of relevant information in the provided study 1, suggests that they can be safely co-administered.
  • However, it is crucial to follow the healthcare provider's instructions and monitor for any adverse effects, especially gastrointestinal symptoms.
  • Always consult your healthcare provider if you experience severe side effects or have concerns about taking these medications together.

From the Research

Amoxicillin and Albendazole Interaction

  • There is no direct evidence of an interaction between amoxicillin and albendazole in the provided studies 2, 3, 4, 5, 6.
  • The studies primarily focus on the treatment of giardiasis, anthelmintics, and adverse drug interactions, but do not specifically address the interaction between amoxicillin and albendazole.
  • Albendazole is mentioned as a treatment for giardiasis and other helminth infections, and its effectiveness and side effects are compared to other drugs such as metronidazole and mebendazole 2, 3, 5.
  • Amoxicillin is not mentioned in any of the provided studies, and therefore, there is no information available on its potential interaction with albendazole.
  • The study on adverse drug interaction safety signals highlights the importance of identifying and reporting potential drug interactions, but does not provide any specific information on the interaction between amoxicillin and albendazole 6.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Drugs for treating giardiasis.

The Cochrane database of systematic reviews, 2012

Research

The abuse of multiple gastrointestinal antibiotics: a case report.

Journal of clinical and diagnostic research : JCDR, 2012

Research

Giardiasis treatment: an update with a focus on refractory disease.

Current opinion in infectious diseases, 2020

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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