Complex sentence: For people who are symptomatic, it is used after treatment with ambecides that can penetrate tissue, like metronidazole or tinidazole; diloxanide is also second-line for this purpose, while paromomycin is preferred.
Split into simpler sentences: For people who are symptomatic, it is used after treatment with ambecides that can penetrate tissue, like metronidazole or tinidazole. Diloxanide is also second-line for this purpose, while paromomycin is preferred.