harmful effects of deet
DEET is especially dangerous for small children. Seizures may occur in small children who regularly have DEET on their skin for long periods of time. Care should be taken to use only products that have smaller amounts of DEET. These products should be used only for short periods of time.
1 These symptoms are usually mild and will go away when the product is washed off the skin.  More severe skin reactions that include blistering, burning, and permanent scars of the skin. These symptoms may occur when someone uses products that contain a large amount of DEET over a long period of time.