Itching after shingles scabbing suggests improvement and can be treated by using antihistamines and other medications. Herpes zoster is a skin lesion caused by infection with the varicella zoster virus and is characterized by painful blisters. When herpes zoster scabs, it suggests that its condition is improving. Itching after scabbing can be relieved by oral antihistamines, such as cetirizine and loratadine, etc. Do not scratch to avoid infection. The use of drugs should be under the guidance of medical professionals to avoid adverse reactions.