We don't have synonyms for valetudinaria yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are valetudinarian, valetudinary and valetudinaries.
"The valetudinarian habit of discussing his health had grown on Rose... -- Florence Anne Sellar MacCunn, Sir Walter Scott's Friends, 1910, p. 234"
°A person in poor health or sickly, especially one who is constantly obsessed with their state of health.
"The most uninformed mind, with a healthy body, is happier than the wisest valetudinarian. -- Thomas Jefferson, The Writings of Thomas Jefferson (1904), p. 168."
"The valetudinarian habit of discussing his health had grown on Rose... -- Florence Anne Sellar MacCunn, Sir Walter Scott's Friends, 1910, p. 234"
°A person in poor health or sickly, especially one who is constantly obsessed with their state of health.
"The most uninformed mind, with a healthy body, is happier than the wisest valetudinarian. -- Thomas Jefferson, The Writings of Thomas Jefferson (1904), p. 168."