Incurable signs of snakebite (place, time and patient)

Bites received at anthills, temples, cremation grounds, under milky trees, at twilight, at crossroads, at the rise of kulika or under dreadful asterisms such as Bharani and Magha, bites with black and very red swelling or four bloody fang marks, and bitten persons who are hungry, thirsty, very old, emaciated, children, full of pitta and heat or with indigestion, or whose nose sinks, face twists, joints loosen, speech halts and jaw stiffens, are to be left as incurable.