General synonyms:
* Ravage: (implies uncontrolled, destructive energy)
* Rampage: (suggests violent, uncontrolled movement)
* Mania: (a state of extreme excitement or enthusiasm)
* Fervor: (intense and passionate feeling)
* Excitement: (a state of intense feeling)
* Agitation: (a state of anxiety or nervousness)
* Tumult: (a state of great commotion or confusion)
More specific synonyms:
* Hysteria: (uncontrolled emotion or excitement, often with irrational behavior)
* Furor: (violent, uncontrolled anger)
* Delirium: (a state of confusion or disorientation)
* Paroxysm: (a sudden attack or outburst of emotion or activity)
The best synonym to use depends on the specific context and the nuance you want to convey.