Below are the main rubriks (i.e strongest indications or symptoms) of Natrum Sulphuricum in traditional homeopathic usage, not approved by the FDA.
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Dyspnoea, during damp weather
Must hold chest when coughing
Humid asthma; rattling in chest, at 4 and 5 a.m
COUGH, with thick, ropy, greenish expectoration; chest feels all gone
Constant desire to take deep, long breath
Asthma in children, as a constitutional remedy
Delayed resolution in pneumonia
Springs up in the bed the cough hurts so; holds painful side ( Bryonia Bry.) Pain through Lower left chest
Every fresh cold brings on attack of asthma.≡ more ...