Below are the main rubriks (i.e strongest indications or symptoms) of Causticum in traditional homeopathic usage, not approved by the FDA.
Violent thirst, for many days (aft. 2 d.).
Several mornings, much thirst.
Severe thirst for cold drinks, from morning till afternoon.
Violent thirst for beer.
He eats too hastily.
Unusually early hunger.
A sort of ravenous hunger.
Enormous hunger, which gives him headache, removed by eating.
Little appetite, but he relishes food.
Continual sensation of satiety and lack of appetite, and an hour afterward hunger, and relish of the food eaten.
Little appetite, but much thirst, especially after eating.
Diminished taste in the food eaten.
Appetite is lacking; he has hunger, but does not relish his food, for three days.
She has an appetite, but it seems as if she did not dare to eat, but without any loathing for it.
Even if the started to eat with appetite, and began to eat, the appetite vanished at once.
He has appetite, but when eating, the at once loathes the food.
Even when the starts to eat there is loathing.
Repugnance to sweet things.
He can only eat smoked things; after eating fresh meat, he gets sick, as if he should vomit.
When she eats anything, while her hunger is lacking, she feels at once, as if sated and full, with the sensation that the stomach does not desire anything, and would feel better, if she had not eaten anything.