### Clue: Feverish convulsion stopped by shock treatment (6)
### Answer: HECTIC 
 ### Explanation: Definition: Feverish
 HIC(representation of the sound of a hiccup, caused by a spasm;a convulsion of the diaphragm) **containing**(stopped by;plugged by) ECT(abbrev. for "electroconvulsive therapy";electric shock treatment).