Mature animals most subject: Causes in horse, mechanical, chemical,
microbian irritants—alkalies, acids, caustics, hot mashes, ferments,
fungi, rank grasses, excess of chlorophyll, clover, alfalfa, acrid
vegetables, bacterial infection secondary, acrid insects in food;
symptomatic of gastritis, pharyngitis, diseased teeth, specific
fevers. Symptoms: Congestion and tumefaction of buccal mucosa, lips
and salivary glands; Epithelial desquamation; fœtor; salivation;
froth; papules; vesicles. Prognosis. Treatment: Cool soft food;
antiseptics; wet applications to skin; derivatives.
This is much more common in the adult than in suckling domestic animals.
None of the domestic mammals or birds can be considered immune from it,
but as its causes and manifestations differ somewhat it seems well to
consider it separately in the different genera.