Vira Simhavaloka · Chapter 99
विष — ज्योतिःशास्त्रम्
This Visha astrology chapter links danger from snakes and similar harm to the periods of Mars and the Sun. It says to do the whole rite to please the planet whose period is running.
Classical view, not medical advice.
The English below is our translation from the Sanskrit.
Next, the text gives the cause of trouble from poison, and its remedy.
Visha (poisoning) - the stars
यथोक्तंजातके।व्यालविषशस्त्रबंधनसुतीक्ष्णकूटंच धननाशम् ।भौमदशायां लभते नृपाग्निचौराहवादिरिपुमर्दान् ॥
As a jataka (birth chart reading) text says: In Mars's dasha (planet period), one may suffer from snakes, poison, weapons and bonds. One may suffer from sharp tricks and loss of wealth. One may face harm from kings, fire, thieves, battles and enemies.
Visha (poisoning) - the stars
अन्यच्च —भानुदशायां लभते नखौषधाध्वविषकाननैर्निधनम् ।गिरिदंतचर्मवह्निक्रौर्यनरेंद्राहवाद्यैश्च ॥
Also: In the Sun's dasha (planet period), danger to life may come through claws, drugs, a journey, poison or a forest. It may also come through hills, tusks, leather, fire, cruelty, kings and battles.
Visha (poisoning) - the stars
अथ मंगलदशाजनितविषाद्युपशमाय मंगलप्रीतये सकलमपि विधानं विधिवत्कुर्यात् । तथा चादित्यदशायामपि विषाद्युपद्रवे आदित्यप्रीतये पूर्वोक्तमेव सकलं कुर्यात् । तदुपद्रवोपशांतिर्भवति ।
Next, Mars's dasha (planet period) may cause poison and the like. To ease it, one should do the whole rite as laid down, to please Mars. In the same way, poison or like trouble may come in the Sun's dasha. Then all that was said before should be done to please the Sun. The trouble then eases.
Unit 99.2 names Mars's period, and Unit 99.3 names the Sun's period.