revulsion

Short definition from Wiktionary

Noun

1. 1
   Abhorrence, a sense of loathing, intense aversion, repugnance, repulsion, horror.
2. 2
   A sudden violent feeling of disgust.
3. 3
   The treatment of one diseased area by acting elsewhere; counterirritation.
4. 4
   A strong pulling or drawing back; withdrawal.
5. 5
   A sudden reaction; a sudden and complete change of the feelings.