Intestinal worms, or albendazole tablets, are not suitable for patients with severe heart, liver and kidney insufficiency and active ulcers, as well as pregnant women and children under 2 years of age. Albendazole tablets, the main ingredient of which is albendazole, are suitable for the treatment of ascariasis and pinworms. Adverse reactions such as nausea and vomiting, fatigue, diarrhea, headache, rash and bone marrow suppression may occur during administration. It is not suitable for the following people as follows. 1. Patients with severe cardiac, hepatic and renal insufficiency and children under 2 years of age: Albendazole may produce myelosuppression, hepatotoxicity, acute renal failure and other adverse reactions during administration, and is not suitable for patients with severe cardiac, hepatic and renal insufficiency and children under 2 years of age. 2. Pregnant and lactating women: According to animal studies, there is a risk of fetal harm when Albendazole tablets are taken by pregnant women, so this product is contraindicated for pregnant and lactating women. 3. Active ulcers: Proton pump inhibitors taken by patients with active ulcers have drug-drug interactions with Albendazole, and this product can cause nausea and vomiting, abdominal pain and other adverse reactions, so Albendazole Tablets are contraindicated in patients with active ulcers. In addition albendazole tablets have interaction with phenytoin sodium, dexamethasone and other drugs, need to be taken under the guidance of a doctor to avoid adverse effects.