Is Sweet’s syndrome hereditary?
No. Sweet’s syndrome isn’t a hereditary condition, and only very rarely will you find more than one case in the same family.
In 2003, two brothers were reported to have developed Sweet’s syndrome at ages 10 days and 15 days (Parsapour et al, 2003). Hereditary Sweet’s syndrome was considered, but there was no evidence to support this possibility.
Parsapour, K., Reep, M., Gohar, K., Shah, V., Church, A. and Shwayder, T. (2003) Familial Sweet’s syndrome in 2 brothers, both seen in the first 2 weeks of life. Journal of the American Academy of Dermatology; 49:132-138 (PubMed).
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