The rash may look like straight lines if the plant rubs against the skin that way. After a few days, the oozing blisters become crusts and begin to peel off. Poison ivy rash may begin within hours of contact or up to 5 days after contact. It can take 2 to 3 weeks to heal.
Most poison ivy cases go away on their own within 1 to 3 weeks. After about a week, the blisters should begin to dry out and the rash will begin to disappear. Severe cases can last longer, have worse symptoms, and cover more of the body. Poison ivy rash often appears in a straight line because of the way the plant rubs against the skin.
However, if a rash occurs after touching an item of clothing or a pet's hair that contains urushiol, the rash may be more widespread. You can also transfer the oil to other parts of the body with your fingers. The reaction usually develops 12 to 48 hours after exposure and lasts for two to three weeks. Over-the-counter options can help treat poison oak, ivy, or sumac rashes if you know what to buy.
If your rash is festering, you should apply aluminum acetate, aluminum sulfate, or calcium acetate. The allergic reaction to poison ivy, poison oak, or poison sumac is usually contact dermatitis. This can occur 24 to 72 hours after exposure. Dermatitis is characterized by itchy bumps and blisters.
Sometimes swelling occurs in the contact area. Eventually, the blisters rupture, exude, and then crusts form. It has a rash and itching. This is a delayed reaction to the oils of the poison ivy plant.
It's likely that you've been in contact with her for the 3 days prior to the onset of symptoms. Your skin will turn red and itch. These can rupture and allow a clear yellow liquid to escape. The reaction usually starts to go away after 1 to 2 weeks.
However, it may take 4 to 6 weeks for it to completely disappear. Even though the rash may go away on its own in 1 to 3 weeks, your skin will feel better if you take some steps at home. A rash occurs only where vegetable oil has been in contact with the skin, so a person with poison ivy cannot spread it through the body by scratching. If you scratch a poison ivy rash, bacteria under your nails can cause the skin to become infected.
However, poison ivy rash is possible if you touch plant resin that is still on the person or contaminated clothing.