Buy Niclosamide is an anthelmintic medication used to treat parasitic infections. Common side effects include mild gastrointestinal disturbances like nausea, vomiting, and diarrhea. These effects are usually temporary and manageable. Rarely, more severe reactions like abdominal pain, allergic reactions, or central nervous system symptoms might occur. It's crucial to inform a healthcare provider if any adverse effects persist or worsen. This is not an exhaustive list of side effects, and individuals should consult a medical professional for personalized guidance before using Niclosamide 500 mg or any other medication.