Vascular Access Health Solution Medline Hi I'm still new to my picc line, my nurse changed my dressing today and ever since it's been burning and you can see some white stuff around the bio patch it's Jessie explains why they have a biopatch!! : r illnessfakers This is my weekly PICC line dressing change. I am not a licensed RN and these are purely my experiences in the hospital. If youd like to follow my story, PleaSE! LiKE! fOllOw! and ShArE! at Clean Dry and Intact Guide DEFINITIONS CLEAN BIOPATCH GAUZE Dear Colleague,