It sounds like it could be red bugs or jiggers. They are not bug bites but the bug itself in the skin. I had them and they are hard to get rid of. It took me nearly a year. The medicine the doctor treated me with did not work. Try scrubbing them and taking a bleach bath (bout a cap full.). Bedadine also kills bacteria. I also used lice shampoo to treat my whole body. Make sure you wash sheets and stuff as much as possible. If it is any kind of bug these things will work. Be consistent.