Hello,
You need to share your pictures and other details for better clarity as it can be even urticaria or allergic dermatitis but clinical photographs are necessary.
Next Steps
Consult me via practo pro so I can help you better to deal with generalized itching
Health Tips
- Do take a note on your eatables as at times some food allergens can be cause of such rash. Consult again to know about food allergen