Thanks for the query,
You might have developed a re infection.
It is important to use insectiside spray in house,
You might have been given prednisone
, which is a steroid
to control itch.
The clothes and bedding should be washed in boiling water.
Please meet a dermatologist
for final diagnosis and treatment
Let me know if you have any other doubt.
you can ask a direct question to me on this forum, following the below link.
Wishing you a good health.