Bite and sting relief
Here is a general purpose sting relief for yellow flies. It is also helpful for mosquito, chigger and jellyfish bites.
1 tsp. baking soda
1/3 cup ammonia (Windex is mostly ammonia)
1/3 tsp. papain (meat tenderizer)
1 crushed aspirin
Mix thoroughly and store in refrigerator (be sure to label container). When needed, shake well and apply with cotton swab, and rub briskly.