Bromides: only available in true spasmodic asthma; soon lose their efficacy.
Caffeine: 1 to 5 grn.
Camphor: 2 grn. combined with 1 grn. of opium, in spasmodic asthma.
Cannabis Indica: sometimes useful in chronic cases.
Chamois-Leather Waistcoat: reaching low down the body and arms, in bronchial asthma.
Chloral Hydrate: during paroxysm.
Chloralamide.
Chloroform: relieves when inhaled from tumbler or with warm water.
Cocaine.
Coffee: very strong, during paroxysm.