A medical article, such as a catheter hub or extension set, is stabilized on a patient with a retainer and a dressing integrally attached to an anchor pad supporting the retainer. The catheter hub or extension set may be integrally formed with the retainer. The retainer may comprise a channel and an integral strap. The channel may include an abutment. One or more of the anchor pad, dressing, and catheter may comprise an antibacterial or antimicrobial agent.