Chickenpox and shingles are caused by the varicella-zoster virus (another member of the herpesvirus family, herpesvirus type 3):. To prevent bacterial infections from developing, people with shingles should keep the affected skin clean and dry and should not scratch the blisters. What’s the difference between a bacterial and viral infection? WebMD explains, and provides information on the causes and treatments for both. The shingles (herpes zoster) vaccine (Zostavax) is now approved for adults age 50 years and older with healthy immune systems. The infection is usually caused by the bacteria Staphylococcus aureus or Streptococcus pyogenes.
Bacterial infections of the skin and soft tissues in children, including Group A streptococcal infections. Reactivation of varicella-zoster virus (VZV) that has remained dormant within dorsal root ganglia, often for decades after the patient s initial exposure to the virus in the form of varicella (chickenpox), results in herpes zoster (shingles). Significant facial bacterial superinfection. Chickenpox is caused by the varicella-zoster virus, a member of the herpes virus family. If the skin around the scab becomes red, swollen, or warm, this may be a sign of a secondary bacterial infection.
Herpes zoster is the medical name for shingles. It is caused by reactivation in the adult years of the chicken pox virus that occurred during childhood (the varicalla-zoster virus). The scratches on the cornea may increase the risk of bacterial infection in the eye. Shingles may also cause inflammation inside the eye, known as iritis or uveitis.