Skin itching is a common symptom in dermatological diseases. There are many diseases that can cause skin itching, such as eczema, allergic dermatitis, skin allergies, tinea diseases, etc. These diseases require the avoidance of many foods. It is advised not to eat hair-producing and spicy irritating foods, such as onions, ginger, garlic, sea fish, kelp, etc., and also to avoid alcohol and smoking, which are all very important.