Below are the main rubriks (i.e strongest indications or symptoms) of Causticum in traditional homeopathic usage, not approved by the FDA.
Mirthfulness sometimes, and soon after, ill-humour.
Melancholy and vexatious thoughts, day and night, with tears.
Restlessness, apprehension, and great anguish.
Anxiety of heart.
Fearfulness, esp. at night.
Afraid at night (in the dark room; the child does not want to go to bed alone).
Mistrust of the future.
Irascibility and passion, with great sensitiveness of disposition.
Quarrelsome and wrangling spirit.
Indisposition to labour.
Disposition to be frightened.
Weakness of memory.
Absence of mind.
Tendency to make mistakes when speaking.≡ more ...