Below are the main rubriks (i.e strongest indications or symptoms) of Oxalicum Acidum in traditional homeopathic usage, not approved by the FDA.
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Sharp, shooting pain in l. lung and hepatic region.
Congestion localised base of l. lung.
Dull, heavy, sore pain in chest.
Pain in the middle of chest, extending through to back.
Stitches in l. breast; agg. during walking.
Beats of heart intermit when thinking of it.
Pulse more rapid in morning; slower, irregular, weak.
When breathing, stitches in chest and pain above the hip.
Sudden lancinating pain in l. lung, depriving him of breath.
Hoarseness; larynx feels swollen, contracted, raw, with tickling in it (sensation of mucus during talking).
Voice completely altered from a deep bass to a very low key, like one talking in an undertone; later, though improved, still "a complete old man's voice.".
Constant dry cough on violent exertion.
Mucous secretion in throat increased.
Mucus in small lumps, or hard or thick, yellowish-white phlegm, with black lumps in centre of it.
Difficulty of breathing, with oppression of chest (r. side) when moving about in evening.
Difficulty of breathing, with constrictive pain in the larynx and wheezing (angina pectoris).
Paroxysms of short, hurried breathing, with intervals of ease.
Heart and pulse
Pain in heart; soreness, stitches from behind forward or from above downwards.
Sharp darting in heart and l. lung, extending to epigastrium.
Pain commencing in praecordial region, extending up sternum and darting out across chest, esp. towards l. side; must keep perfectly quiet (angina pectoris).
Palpitation of heart after lying, down at night; heart in a continual fluttering palpitation.
Pulse increased in frequency, almost imperceptible; with coldness, clammy sweat, &c.≡ more ...