Hello, from your history, it sounds like you have scabies. Good news it that it's treatable with a topical and oral medications. however , it's impossible to pin point a definite diagnosis without examining you in person, so, i suggest you see a Dermatologist soon.
Next Steps
see a Dermatologist to get rid of the problem permanently . you can take. tab. levocetirizine 5 mg once at night to alleviate itching till then.