General:
* Frenzied
* Desperately
* Wildly
* Raving
* Hysterical
* Panicked
* Agitated
* Distressed
More specific:
* Frenetic (suggests rapid, chaotic movement)
* Feverish (suggests intense, almost feverish activity)
* Maniacal (suggests a wild, uncontrolled state)
* Harried (suggests a feeling of being overwhelmed)
* Beside oneself (suggests a state of extreme emotional distress)
The best synonym will depend on the specific context of your writing.