Good news for those who've already had chickenpox as a child, not so great for those who haven't. While it's inevitable that children will catch chickenpox at some point in their youth, the virus can be more severe in adults, with a higher risk of developing complications such as pneumonia. Advertising revenue supports our not-for-profit mission. Thankfully, after three to four days of itchiness, the spots will dry up. This article is for information only and should not be used for the diagnosis or treatment of medical conditions. Don't have a HealthSavvy account yet? Chickenpox early in pregnancy can result in a variety of problems in a newborn, including low birth weight and birth defects, such as limb abnormalities.