Charak Samhita
येन चोपहतो रक्तं रक्तपित्तेन मानवः। पश्येद्दृश्यं वियच्चापि तच्चासाध्यं न संशयः ॥२६॥
A patient, if sees things around him and the sky red, is certainly suffering from an incurable variant of the disease.
english translation
yena copahato raktaM raktapittena mAnavaH। pazyeddRzyaM viyaccApi taccAsAdhyaM na saMzayaH ॥26॥
hk transliteration by Sanscript