Aha.Pneumotox.com lists all of the biologics as causing potential harm.Especially RA with ILD.A patient of mine who failed Enbrel was placed on Actemra,S.C. After 4 weeks developed sob and was hospitalized..Resident looked on pneumotox.com and sure enough Actemra is mentioned as a potential cause.However a research of the literature showed 4 cases in Japan after many years of exposure.The Med was stopped.However,where does pneumotox.com gather their info from?Tough to practice in this environment.