Eating undercooked eel can be prevented by taking intestinal wormers under the supervision of a doctor. The chemical name of intestinal worm cleaner is albendazole, which belongs to broad-spectrum anthelmintic. It can be used against roundworms, pinworms, tapeworms, hookworms and other parasites, and can inhibit the reproduction and survival of parasites. Eating undercooked eel may cause parasitic infections. Parasites and eggs may be present in eel, especially if it is not cooked thoroughly. Early parasitic infections are usually asymptomatic, but only when they increase to a certain number can they cause clinical symptoms. If you have consumed parasite-infected food, you can take preventive medication under doctor’s supervision. Albendazole is contraindicated in pregnant women, lactating mothers, children under 2 years of age, and those with hepatic or renal insufficiency. Common adverse reactions include dry mouth, dizziness, fatigue, headache, and skin rash. For whether to take Albendazole after consuming uncooked eel, consultation is recommended. Please do not take the medicine by yourself to avoid delaying the condition.