eMedicineHealth notes that shingles cannot be transmitted to others, but it can cause chicken pox in susceptible individuals. Individuals with shingles are contagious until the blisters all crust over. More »

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According to Mayo Clinic, the varicella-zoster virus causes shingles. This is the same virus that is responsible for causing chicken pox. Shingles occurs when the chicken pox virus becomes reactivated. More »

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Shingles occurs when the same virus that causes chicken pox reactivates due to a weakened immune system or certain types of medication, according to WebMD. Only people who had chicken pox in the past can get shingles, an... More »

The virus that causes shingles can be spread from a person with active shingles to someone else who has never had chicken pox, the CDC reports. Shingles does not spread directly from one person to another. More »

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According for the Centers for Disease Control and Prevention, shingles is not contagious, but the virus that causes shingles can be spread through skin-to-skin contact if a rash is present. An individual may develop chic... More »

Common rashes that may cause blisters include chicken pox, shingles, poison ivy and herpes, according to About.com. Other rashes that may be associated with blisters include scabies, impetigo and an id reaction. More »

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Also called cold sores, fever blisters are caused by herpes simplex virus, which makes them highly contagious. The blisters usually affect the gums, the lips or other parts in the mouth. More »

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