Scabies is treated for both on and off. That is treatment for patient with 5% permethrin cream from below neck to whole body for at least 7 hours. And wash all clothes in house in contact with you with NaHco3

It is likely that you had a relapse of the scabies infection, I would advise you to meet a dermatologist and get evaluated and undergo further evaluation to find the cause of relapse. The following steps may be of help: - Cool and soak your skin. Soaking in cool water or applying a cool, wet washcloth to irritated areas of your skin may minimize itching. - Apply soothing lotion. Calamine lotion, available without a prescription, can effectively relieve the pain and itching of minor skin irritations. - Do not wear clothes while having scabies again as it is a contagious disease and dispose of them after getting cured.