Poison ivy treatments usually involve self-care methods at home. And the rash typically goes away on its own in two to three weeks.

Why is my poison ivy still itchy after a week?

A run-in with poison ivy can quickly devolve into a painful, scratchy cycle that can last for weeks and, in some cases, cause skin infections that require antibiotics. Minuscule proteins are triggering that immune response — and, it turns out, one of them is driving the sensation to itch, too.

Does poison ivy itch more at night?

Contact your healthcare provider if: You have pus, soft yellow scabs, or tenderness on the rash. The itching gets worse or keeps you awake at night. The rash covers more than 1/4 of your skin or spreads to your eyes, mouth, or genital area.