How long to take albendazole for worm elimination depends on which parasite is being treated, and the course of treatment varies from parasite to parasite. Albendazole is the most common antiparasitic drug and belongs to the category of anthelmintic drugs. It is clinically effective for the most common roundworms, rachis, encapsulated worms, tapeworms, etc. It is characterized by high efficiency and low toxicity. Clinical treatment for common roundworms is generally recommended to be taken in a single dose to kill the parasites with clear results. Special cases may require reapplication, and the treatment effect is usually achieved in 1-2 times. For other parasites, such as encapsulated worms, the course of treatment is longer and may need to be taken for about 3 months. It is important to take albendazole tablets and apply them under the guidance of a doctor. Also consider whether the patient has some allergies or contraindications, etc.