Acute eosinophilic pneumonia induced by minocycline: prominent Kerley B lines as a feature of positive re-challenge test.

We report herein a case of acute eosinophilic pneumonia induced by minocycline, confirmed by TBLB and re-challenge test. Re-challenge test suggested that Arthus-type reaction was pathognomonic, and prominent Kerley B lines represented a local hypersensitivity reaction in this patient.