Thank you that will help me greatly until December when I can get back to Wisconsin and visit my doctor.
Hello,
The earlier bite cause an antien antibody reaction. The immune system of the body woke up to this antigen and regarded it as foreign in nature or not belonging to the body. Now the effect is coming as delayed hypersensitivity reaction of the body to this antigen caused by your immune cells and hence the bites started itching and swelling again when there is another bite.
You should take plenty of water and take antiallergic drugs like Montekulast or levocetrizine after consulting your family physician as these are prescriptions drugs.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.