Poke salve is a topical herbal preparation traditionally used to:
Support the lymphatic system
Reduce swollen lymph nodes
Relieve breast congestion or mastitis
Ease inflammatory skin conditions, cysts, and boils
 
It was traditionally used by Appalachian, African American, and Indigenous herbalists with deep knowledge of its preparation and limits.
 
Always patch test before use and consult a clinical herbalist, especially during pregnancy or breastfeeding.