en_tn_condensed/psa/038/007.md

I am filled with burning

The writer's is so sick with fever that it is as if he is burning inside. Alternate translation: "My body is burning with fever" (See: rc://en/ta/man/translate/figs-metaphor)

there is no health in my flesh

Here "my flesh" refers to the writer. Alternate translation: "I am completely sick" (See: rc://en/ta/man/translate/figs-synecdoche)