Below are the main rubriks (i.e strongest indications or symptoms) of Mercurius Corrosivus in traditional homeopathic usage, not approved by the FDA.
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Stitches in chest, through the thorax (right, lower side).
Respiration slow; interrupted, sighing.
Excessive dyspnoea; palpitation.
Heart and pulse
Palpitation of the heart in sleep.
Pain in the precordial region.
Pulse small, weak, intermitting, sometimes trembling.≡ more ...