scarlatinous

from The Collaborative International Dictionary of English v.0.48

Scarlatina \Scar`la*ti"na\, n. [NL.: cf. F. scarlatine. See
   {Scarlet}.] (Med.)
   Scarlet fever. -- {Scar`la*ti"nal}, a. -- {Scar*lat"i*nous}
   (# or #), a.
   [1913 Webster]