WordNet sense 1 (producing or covered with lathery sweat or saliva from exhaustion or disease):

foamy, foaming

WordNet sense 2 (not in or exhibiting good health in body or mind):

unhealthy

WordNet sense 3 (covered with or resembling small bubbles as from being agitated by beating or heating):

spumy, sudsy, bubbling, spumous

WordNet sense 4 (physically disturbed or set in motion):

agitated