Vesicular herpes zoster eruption following chronic obstructive pulmonary disease treatment in the emergency department: lessons learnt from immunosuppression.

Background: Herpes zoster (HZ) is a reactivation of the varicella-zoster virus (VZV) that can occur in people with weakened immune systems. Chronic obstructive pulmonary disease (COPD) is a chronic lung disease that can also impair the immune system.6-8.