787. Demulcents
These are used to diminish irritation, and soften parts by protecting them with a viscid matter. They are tragacanth, linseed, marsh-mallow, mallow, liquorice, arrowroot, isinglass, suet, wax, and almonds.
788. Tragacanth
Tragacanth is used to allay tickling cough, and lubricate abraded parts. It is usually given in the form of mucilage.
Dose
, from ten grains to one drachm, or more.
789. Linseed