It was narrated from Anas that:The Prophet [SAW] used to say: "Allahumma inni a'udhu bika minal-jununi wal-jadhami, wal-barasi wa sayy'il-asqam (O Allah, I seek refuge in You from possession, leprosy, leukederma and bad sickness (that may lead to visible deformity)
Hadith No. 5493
Sunan an Nasai
Gradings:
Abu Ghuddah:
Sahih
Al-Albani:
Sahih
Zubair Ali Zai:
Daif