“…3,4 A variety of infectious agents have been implicated, including tuberculosis, Borrelia, varicella, EBV, hepatitis B and C and HIV. 4,5 Sun exposure and phototherapy with psoralen combined with ultraviolet A are also reported to precipitate GA. 4,6 Reported drug causes of GA included amlodipine, gold, allopurinol, diclofenac, quinidine, intra-nasal calcitonin and anti-tumour necrosis factor (TNF) agents. 6,7 In one study 15% of patients attributed onset of GA to psychological stress.…”