Treatment for crusting depends on the underlying cause:
Impetigo: Usually treated with topical or oral antibiotics. Eczema: Managed with moisturizers, topical steroids, and avoiding triggers. Chickenpox: Mainly supportive care with antihistamines for itching and antiviral medication if necessary. Scabies: Requires prescription medication to eliminate the mites. Insect bites: Typically treated with antihistamines and topical steroids to reduce itching and inflammation.
