Stramonium: sometimes very useful. May be made into cigarettes, or 20 grn. of dried leaves may be mixed with nitrate of potassium, and the fumes inhaled. A little powdered ipecacuanha may often be added.
Strontium Iodide.
Strophanthus Tincture.
Strychnine: in weakness of the respiratory center.
Sulfonal.
Sulphurated Potassa.
Sulphur fumes: in bronchitic asthma.
Tobacco: smoking is sometimes beneficial.
Turkish Baths: in bronchial asthma.
Zinc Oxide.