64 citations,
July 1997 in “Journal of The American Academy of Dermatology” Finding eosinophils near hair bulbs helps diagnose alopecia areata.
21 citations,
September 1990 in “Journal of The American Academy of Dermatology” Taking L-tryptophan supplements might cause a condition similar to scleroderma in some people, which can get better after stopping the supplement and starting corticosteroid therapy.
20 citations,
February 1991 in “Archives of dermatology” High doses of tryptophan may cause eosinophilic fasciitis.
19 citations,
September 2014 in “JAMA Dermatology” Eosinophilic infiltrate is not a reliable indicator for diagnosing chronic alopecia areata.
18 citations,
November 2018 in “Annals of the Academy of Medicine Singapore” Sulfasalazine can cause severe allergic reactions leading to long-term autoimmune issues like hair loss and skin discoloration.