Just thinking about poison ivy can make you itch. Blistering rashes on your arms and ankles, oozing bumps between your fingers and eyelid-swelling exposures are all-too-familiar summer hazards. Poison ...

While symptoms generally differ from one individual to another, common signs of a poison ivy rash show up at the point of contact and include: Intense and persistent itchiness that can wake you up ...

blistering rash. Poison ivy is an allergic reaction, while shingles is a viral infection. Shingles also causes additional symptoms that can differentiate the conditions. The varicella-zoster virus ...

Poison sumac rash symptoms Poison sumac works the same way as poison ivy and poison oak — all three plants contain an oil called urushiol that causes an allergic reaction in most people.

If you've never received a rash from poison oak, ivy or sumac, the rash could last 21 days or longer. If you have had the rash previously, it will last one to 14 days.

There are a number of plants to avoid in Delaware. Here's how to identify the big three – poison ivy, oak and sumac.