Psalm 38:5
My wounds stink and are corrupt because of my foolishness.
Cross-reference
Psalm 38:7
Parallel
Psalm 38:7 continues the physical decay: 'sides filled with burning' and 'no soundness' — extending the festering wounds of verse 5.
Psalm 32:3
Related theme
Psalm 32:3 describes bones wasting away from unconfessed sin — same link between sin and physical decay as the festering wounds here.
Isaiah 1:6
Parallel
Isaiah 1:6 details 'bruises and sores and raw wounds' — an even fuller description of the same festering condition caused by sin.
Job 7:5
Parallel
Job 7:5 describes flesh clothed with worms and dirt, skin breaking out — a graphic parallel to the stinking, festering wounds here.
Jeremiah 8:22
Related theme
Jeremiah 8:22 asks about balm and physician for unhealed wounds — complements the festering wounds here by highlighting the need for healing.