Several studies have shown that physical trauma is strongly associated with herpes zoster. For example, an age-matched, case-control study from 2014 had shown that patients with herpes zoster were 3.4 times as likely as controls to have experienced trauma in the week before herpes zoster onset. Patients with cranial herpes zoster were more than 25 times as likely as controls to have had cranial trauma in the week before disease onset, although the magnitude of the association lessened over time.
Smoking has not been identified to significantly increase the risk for herpes zoster.
Mood disorders have been associated with an increased risk for herpes zoster. For example, registry-based studies from Europe, the United States, and East Asia have reported 11%-52% increases in relative risk for herpes zoster among individuals with depression.
Learn more about herpes zoster.
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Cite this: Ranjani Somayaji. Fast Five Quiz: Herpes Zoster Risk Factors and Prevention - Medscape - Feb 04, 2022.