It is difficult to predict the progression and outcome of vitiligo Some markers of poor prognosis have been identified:  Family history Mucosal involvement or mucosal vitiligo Koebner phenomenon Nonsegmental vitiligo
What are the natural history, complications, and prognosis associated with vitiligo?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What are the natural history, complications, and prognosis associated with vitiligo? [/INST] \n It is difficult to predict the progression and outcome of vitiligo Some markers of poor prognosis have been identified:  Family history Mucosal involvement or mucosal vitiligo Koebner phenomenon Nonsegmental vitiligo</s>