A single large pin oak tree can rain down up to 400,000 oak leaf itch mites per day. Oak mites can live through the winter in protected areas or within leaves/leaf litter on the ground.

Home Remedies for Poison Ivy, Oak, or Sumac. Even though your rash can go away on its own in 1 to 3 weeks, your skin will feel better if you take some steps at home.

A poison oak rash typically starts with itchiness. You may then develop a rash, which can blister. The blisters may ooze liquid, and it can take around 2 to 3 weeks for them to heal.

Most people are sensitive to the oil in poison oak. Usually, an itchy, red rash will appear that can take weeks to clear up. Learn more about how to identify a poison oak rash and how to treat it.