erethism

/ˈɛrɪθɪzəm/
noun
  1. A state of abnormal or excessive excitement, sensitivity, or irritation of a body part or organ.
    • The doctor diagnosed erethism of the skin due to an allergic reaction.
    • Erethism in the nervous system may result in uncontrollable twitching.
    • Mercury poisoning can cause erethism, leading to anxiety and mood swings.
Antonyms
What does "erethism" mean? | whatsthatwordmean | whatsthatwordmean