When infected with scabies, symptoms such as itchy skin, rashes, and scabies nodules can occur. 1. Itchy skin: After being infected with scabies, the skin will have a tingling sensation, which is milder during the day and more severe at night. Patients are advised not to scratch to avoid scratch-like injuries. 2. Rash: The rash is mainly small red papules, papules and tunnels. Papules are mostly light red, papules will appear small blisters at the top of the papules, tunnels are commonly found in the finger cracks, showing grayish-white or light black lines, bending and bulging. 3. Scabies nodules: it is the skin foreign body reaction formed after the death of scabies mites, often appearing in men’s scrotum and other parts of the dark red nodules. When the patient is infected with scabies, it is recommended to go to the dermatology department of the regular hospital in time to improve the relevant examination to prevent the condition from worsening.