noun

exaggerated or uncontrollable emotion or excitement.

the anti-Semitic hysteria of the 1890s

frenzy,wildness,feverishness,irrationality,hysterics,loss of control,panic,panic attack,alarm,outburst/fit of agitation,loss of reason,fit of madness,neurosis,delirium,derangement,mania,distress,mental distress,the screaming abdabs/habdabs