A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Why does touching poison ivy give you blisters?

Best Answers

First comes the itching, then a red rash, and then blisters. ... The rash will occur only where the plant oil has touched the skin, so a person with poison ivy can't spread it on the body by scratching. It may ... Most pets are not sensitive to poison ivy, but the oil can stick to their fur and cause a reaction in someone who pets them. read more

Many people get a rash from poison ivy, poison oak, and poison sumac. This rash is caused by an oil found in the plants. This oil is called urushiol. The itchy, blistering rash often does not start until 12 to 72 hours after you come into contact with the oil. The rash is not contagious and does not spread. read more

Related Facts

Image Answers

Further Research