Thanks for the query.
The presentation could point towards an infection like scabies which is caused by an itch mite. Meet a Dermatologist for better understanding of your current scenario and appropriate treatment approach. You can consider having OTC anti-allergic medications for symptom relief. Many a times other members of the family also need treatment to prevent relapses and can be best decide by your dermatologist.
Next Steps
Scabies should be ruled out.
Health Tips
Your dermatologist will decide a treatment plan for you after a consultation.