Albendazole Side Effects
Some side effects of albendazole may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to albendazole: oral tablet
Along with its needed effects, albendazole may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur while taking albendazole:Rare
- skin rash or itching
- sore throat
- unusual tiredness and weakness
Some side effects of albendazole may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:Less common
- Abdominal pain
- Thinning or loss of hair
For Healthcare Professionals
Applies to albendazole: compounding powder, oral tablet
The side effects of albendazole differ between hydatid disease and neurocysticercosis. The symptoms were generally mild and resolved without treatment. Treatment was discontinued primarily due to leukopenia (0.7%) or hepatic abnormalities (3.8% in hydatid disease).
Dermatologic side effects have included reversible alopecia (1.6% in hydatid disease; less than 1% in neurocysticercosis). Erythema multiforme and Stevens-Johnson syndrome have been reported during postmarketing experience.
Hypersensitivity side effects have included hypersensitivity reactions (including rash and urticaria) in less than 1% of patients.
Renal side effects have included acute renal failure during postmarketing experience.
Hepatic side effects have included abnormal liver function tests (15.6% in hydatid disease; less than 1% in neurocysticercosis) and hepatotoxicity (greater than or equal to 1%). Hepatic abnormalities, acute liver failure, elevations of hepatic enzymes, and hepatitis have been reported during postmarketing experience.
Hematologic side effects have rarely included granulocytopenia, agranulocytosis, pancytopenia, and thrombocytopenia. Leukopenia has been reported in less than 1% of patients. Aplastic anemia, bone marrow suppression, and neutropenia have been reported during postmarketing experience.
Gastrointestinal side effects have included abdominal pain (6% in hydatid disease), nausea/vomiting (3.7% in hydatid disease; 6.2% in neurocysticercosis).
Nervous system side effects have included headache (1.3% in hydatid disease; 11% in neurocysticercosis), dizziness/vertigo (1.2% in hydatid disease; less than 1% in neurocysticercosis), raised intracranial pressure (1.5% in neurocysticercosis), meningeal signs (1% in neurocysticercosis).
Other side effects have included fever (1% in hydatid disease).
Ocular side effects have included retinal damage.
More albendazole resources
- albendazole Concise Consumer Information (Cerner Multum)
- albendazole MedFacts Consumer Leaflet (Wolters Kluwer)
- albendazole Advanced Consumer (Micromedex) - Includes Dosage Information
- Albendazole Professional Patient Advice (Wolters Kluwer)
- Albendazole Monograph (AHFS DI)
- Albenza Prescribing Information (FDA)
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