Chronic delayed-type hypersensitivity reaction as a means to treat alopecia areata

Delayed-type hypersensitivity reaction to ethambutol and isoniazid.

A 24-year-old woman had recently started antitubercular therapy with isoniazid, ethambutol and rifampicin. This therapy was discontinued 2 weeks later due to an itchy, desquamative, erythematous, papular rash, with painful crusts and excoriations, spreading from the face and hands to the rest of the body. 5 days after withdrawal of all drugs, widespread desquamation and exfoliation with predile...

Alopecia areata.

n engl j med 367;3 nejm.org july 19, 2012 279 methacin should be used in addition to pancre­ atic stents in high­risk patients. However, post hoc analysis of our trial suggests that indometha­ cin may obviate the need for prophylactic pan­ creatic stent placement (unpublished data), and we therefore agree with Baron et al. that com­ parative effectiveness studies of indomethacin and pancreatic ...

Alopecia areata.

Alopecia areata is a frequent cause of hair loss. The origin of disease is not fully understood. However there are indications for a T-cell mediated autoimmune process. Genetic, immunologic and psychologic factors are important for the outbreak of disease. Most patients show localized patches of acute hair loss, where regrowth is observed spontaneously or with simple topical treatment within fe...

Alopecia Areata

Serious delayed hypersensitivity reaction to oxaliplatin.

With great interest we read the articles of Siu et al. [1] and Maindrault-Goebel et al. [2]. Both report on immediate type hypersensitivity reactions to oxaliplatin, occurring in about 10–15% of patients, mostly after several courses of therapy. We recently observed a quite different presentation of hypersensitivity to oxaliplatin, consisting of severe respiratory symptoms about 24 h after the ...