Patient Care Online compiles practical clinical guidance from experts in a wide range of specialties for ready access by primary care clinicians. From acne to zoster, we address the full range of common conditions seen in the primary care setting with a focus on how to make an accurate diagnosis, choose optimal treatment, and provide effective long-term management. Complementing this educational approach is daily coverage of topical medical news that has the potential to influence patient assessment and counseling as well as treatment selection. The perspective of clinical experts, principal investigators, and other leading authorities is routinely included.