C2 noun /ˌvælɪˌtjuːdɪˈnɛəriən/
valetudinarian
personne hypocondriaque
Meaning
A person who is unduly anxious about their health or constantly concerned with minor ailments.
Example
He was regarded as a valetudinarian, always worrying about his health.
Il était considéré comme un hypocondriaque, toujours préoccupé par sa santé.