Shingles, also known as herpes zoster, is an acute viral illness caused by thereactivationof latent varicella zoster virus (VZV) infection. It is well known for its distinctiveblistering rash, which occurs in adermatomal distribution.1-2
The rash normally scabs over in 7 to 10 days and heals within 2 to 4 weeks. The virus is not infectious before the blisters appear but becomes contagious once the rash is in the blister phase. The virus can no longer be spread after the rash crusts over. The risk of spreading the ...
including those over the age of 50 years, or those with significant symptoms. Anti-viral drugs are most effective if given within 72 h of the rash starting. Those with shingles can transmit VZV to others, and this can cause chickenpox in those without immunity to the virus. Effective...