BD GuardIVa Antimicrobial Hemostatic IV Dressing, 1" / 4mm, Sterile.The GuardIVa Antimicrobial Hemostatic IV Dressing is ahydrophilic wound dressingdesigned to absorb exudate, cover and protect catheter sites. It contains chlorhexidine gluconate(CHG), a well-known antiseptic agent that offers broad spectrum antimicrobial and antifungal activity. It also provideshemostasis, using the proprietary m-doc compound, to control surface bleeding.