First reported case of afatinib-associated toxic megacolon
Wang Chun Kwok1, Terence Chi Chun Tam1, David Chi Leung Lam1
1Department of Medicine Queen Mary Hospital Hong Kong China.
Abstract:
We report the first case of toxic megacolon associated with afatinib use, which is a potentially fatal complication, with risks of colonic perforation. In this case, the condition improved on stopping afatnib. Clinicians need to be alert of this rare but fatal adverse effect and to avoid anti-diarrhoeal agents, which can worsen toxic megacolon. Anti-diarrhoeal agents are routinely given if diarrhoea occurs on afatinib. These should be stopped and avoided if toxic megacolon occurs.
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