Herpes zoster in patients with HIV infection.

Five hundred twenty seven HIV seropositive male cases were observed for herpes zoster for a period of five years. Overall incidence of herpes zoster in HIV infection was found to be 11.8%. Herpes zoster was presenting symptom in 50% cases. It developed in first year of follow up in 38.8% cases, in second and third year of follow up in 4.8% cases each and in fourth year in 1.6% case. Majority of cases (89%) were in age group of 20 - 40 years. Thoracic dermatome (68%) was commonest to get involved followed by cervical (14.5%), trigeminal (9.7%) and lumbosacral (8%). Among other associations of HIV seropositive herpes zoster cases 24.2% cases had tuberculosis and 4.8% cases had hepatitis B virus infection. The skin lesions of herpes zoster in majority of cases were bullous, haemorrhagic and necrotic.