“…Aureomycin is produced by a mould called " streptomyces aureofaciens " ; when given by mouth or by other routes, aureomycin readily passes into the blood stream, from whence there is a wide diffusion through all the body tissues. The toxicity of aureomycin is believed to be low, but nausea, vomiting or diarrhoea have been noted by other observers, and Bedford (1951) records a rather alarming case of idiosyncrasy to aureomycin.…”