Ague

As "Doctor Von Wer", the Second Doctor offered Colonel Attwood a remedy for, among other things, "the ague". (TV: The Highlanders)

Count Federico had Captain Rossini say on his behalf that he had been stricken by an ague to avoid greeting the Doge of Venice, who he described as a "fox-faced old blowhard". (TV: The Masque of Mandragora)