Below are the main rubriks (i.e strongest indications or symptoms) of Causticum in traditional homeopathic usage, not reviewed by the FDA.
Soreness in the chest.
Burning soreness in a stripe down under the sternum, with cough, etc.
Stitches in the chest below the arms, extending to the pit of the stomach, with anxiety.
Rattling in the chest.
Tightness of chest, must frequently take a deep breath.
Painful compression of chest from both sides toward the sternum, with oppression of breath and weakness of voice.
Stitches in the sternum from deep breathing or lifting.
Arrest of breathing when talking or walking rapidly; must suddenly catch after (for) breath.
Shortness of breath.
Heart and pulse
Stitches about the heart.
Palpitation of the heart.
Oppression at the heart, with lowness of spirits.
Pulse excited towards evening, with orgasm of blood.
Sensation as if the clothing were too tight.≡ more ...