Noninfective drug-related pneumonitis (DRP) is a well-known adverse effect of several drugs: clinical manifestations have mostly an acute/subacute onset and vary from mild to life-threatening. Several DRP cases have been described in patients receiving anti-tumor necrosis factor α, rituximab, and tocilizumab.1,2 To date, only 4 reports of vedolizumab-related pneumonitis have been presented.3-5.
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