Table 1. Immunosuppressive agents associated with the development of Pneumocystis pneumonia.

Immunosuppressive agent
Corticosteroids	mTOR inhibitors
Alkylating agents	Everolimus
Cyclophosphamide	Sirolimus
Temozolomide	Temsirolimus
Antibiotics/Immunosuppressants	TNF-α inhibitors
Bleomycin	Adalimumab
Antimetabolites	Certolizumab pegol
Cytarabine	Etanercept
Fluorouracil	Golimumab
Methotrexate	Infliximab
Calcineurin inhibitors	IL-6 inhibitors
Cyclosporine	Sarilumab
Tacrolimus	Tocilizumab
Purine analogs	Monoclonal antibodies
Azathioprine	Alemtuzumab
Cladribine	Rituximab
Fludarabine	JAK inhibitor
Mycophenolate mofetil	Tofacitinib
	CTLA4-Ig*
	Belatacept

^*CTLA4-Ig: fusion protein composed of the extracellular domain of cytotoxic T-lymphocyte antigen 4 (CTLA-4).

mTOR: mammalian target of rapamycin; TNF-α: tumor necrosis factor α; IL-6: interleukin 6.