Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/16/2025

Recommended Dose of Albendazole for Parasitic Infections

Standard Dosing for Common Parasitic Infections

  • The standard dose of albendazole for most common parasitic infections in adults is 400 mg as a single oral dose, though specific parasites may require different dosing regimens based on the type of infection and patient factors 1, 2
  • Albendazole 400 mg as a single oral dose is recommended for Ascariasis (roundworm) 1
  • Albendazole 400 mg as a single oral dose is recommended for Hookworm infections (initial treatment) 1
  • Albendazole 400 mg as a single oral dose is recommended for Enterobiasis (pinworm) 1

Multiple Day Regimens

  • For Hookworm infections (complete treatment), albendazole 400 mg daily for 3 days is recommended 2
  • For Strongyloidiasis (normal immunity), ivermectin 200 μg/kg single dose is preferred, but albendazole 400 mg twice daily for 3-7 days can be used as an alternative 3
  • For Strongyloidiasis (immunocompromised), more intensive regimens are required; seek specialist advice 3
  • For Whipworm (Trichuris trichiura), mebendazole is preferred, but albendazole can be used 1

Special Situations

  • For Microsporidiosis, albendazole 7.5 mg/kg body weight (maximum 400 mg/dose) twice daily until immune reconstitution is recommended 4
  • For Loiasis, albendazole 400 mg daily for 10-28 days for high microfilarial loads or when diethylcarbamazine treatment is not feasible 5, 6
  • For Loiasis, higher doses of 800 mg daily may be used in case of treatment failure 5

Important Administration Guidelines

  • For empirical treatment of asymptomatic eosinophilia in travelers/migrants, a single dose of albendazole 400 mg plus ivermectin 200 μg/kg is recommended 7, 8

Pediatric Considerations

  • For children with microsporidiosis, albendazole 7.5 mg/kg body weight (maximum 400 mg/dose) twice daily is recommended 4
  • For empirical treatment of asymptomatic eosinophilia in children >24 months, a single dose of albendazole 400 mg is recommended 8
  • For children 12-24 months with eosinophilia, consult with a specialist before treatment 8

Common Pitfalls to Avoid

  • Always exclude Loa loa in people who have traveled to endemic regions BEFORE treating with ivermectin 8
  • For T. solium (pork tapeworm) intestinal infection, niclosamide is preferred over praziquantel unless neurocysticercosis has been excluded 1
  • For schistosomiasis, repeat treatment at 8 weeks as eggs and immature schistosomulae are relatively resistant to initial treatment 8

Treatment of Parasitic Infections with Albendazole

Dosage Recommendations

  • The Infectious Diseases of Poverty guideline recommends a dose of 400 mg daily for 10-28 days for Loiasis, especially for high microfilarial loads or when diethylcarbamazine is not feasible, with higher doses of 800 mg daily used in case of treatment failure 9
  • The Journal of Infection recommends a dose of 400 mg twice daily for 5 days for Visceral larva migrans (Toxocariasis) 10

Special Considerations

  • The Clinical Infectious Diseases guideline recommends concomitant steroid and anticonvulsant therapy for neurocysticercosis to prevent neurological symptoms 11

REFERENCES