Below are the main rubriks (i.e strongest indications or symptoms) of Acid Phos in traditional homeopathic usage, not approved by the FDA.
Heart; Palpitation in children, who grow too fast; after grief, self-abuse
Pulse irregular, intermittent.
Chest troubles develop after brain-fag
Dry cough from tickling in chest
Weak feeling in chest from talking ( Stannum Metallicum Stann.) Pressure behind the sternum, rendering breathing difficult.≡ more ...