Here are just a few more adjectives formed from diseases or medical conditions that gained figurative (and negative) meanings: pestiferous, cancerous, bilious, hysterical, choleric, melancholic, paranoid, frenzied, morbid, apoplectic, dyspeptic.
EXAMPLES OF SCROFULOUS
The leader’s scrofulous behavior was evident in her frequent abuses of power and disregard for ethical standards.
The play’s antagonist was portrayed as a scrofulous character, whose corrupt actions ultimately led to his downfall.