Ichthammol 20% Ointment, 1 oz, QC99739 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. For treating insect bites and stings from mosquitos, spiders and bees. Removing splinters and slivers. Treat plant irritations, such as nettles or poison ivy along with minor skin infections such as ingrown toenails. Soothing skin relief.