Charak Samhita
ज्वरस्तृष्णा भ्रमो मूर्च्छा च्छर्दिश्चास्योपजायते । रक्तं कृष्णं स्रवेच्चापि नीलमाविललोहितम् ॥१७१॥
fever, excess thirst, giddiness, fainting, vomiting occurs. Reddish, blackish, bluish or voilet discharge occurs with intense burning sensation
english translation
jvarastRSNA bhramo mUrcchA cchardizcAsyopajAyate । raktaM kRSNaM sraveccApi nIlamAvilalohitam ॥171॥
hk transliteration by Sanscript