Yes, nizonide tablets, containing nitazoxanide, can be effective in treating amebiasis, a parasitic infection caused by Entamoeba histolytica. Nitazoxanide works by interfering with the energy metabolism of anaerobic parasites, including E. histolytica. It is commonly used for intestinal infections and may help alleviate symptoms like diarrhea and abdominal discomfort caused by amebiasis. However, it is not the first-line treatment for invasive amebiasis, where metronidazole or tinidazole is typically preferred. Always consult a healthcare professional for the appropriate medication and dosage based on the severity of the infection and individual health conditions.