Niclosamide 500 mg is an antiparasitic medication primarily used to treat tapeworm infections in humans. Generally, it is considered safe when used as prescribed by a healthcare provider. The drug works by disrupting the metabolism of the parasites, effectively killing them. Common side effects are usually mild and may include nausea, abdominal pain, or diarrhea. Serious side effects are rare but can include allergic reactions. It’s important to follow the prescribed dosage and duration to minimize risks and ensure effectiveness. Before starting niclosamide, inform your healthcare provider of any other medications or health conditions you have, as interactions or contraindications might exist. For pregnant or breastfeeding women, it’s crucial to discuss potential risks with a healthcare provider. Overall, niclosamide is effective and safe for treating tapeworm infections when used appropriately and under medical supervision. Always consult a healthcare professional for personalized advice and monitoring during treatment.