Occasional itching may be caused by non-pathological factors such as allergies, mosquito bites, etc. However, it may also be caused by pathological causes, such as eczema, urticaria, etc.

1. Physiological factors

1. Allergies: If the patient is prone to allergies, the above symptoms may occur after exposure to allergens such as pollen and dust mites. It is recommended that patients pay attention to staying away from allergens in their daily life and take drugs such as loratadine tablets and cetirizine hydrochloride capsules as prescribed by the doctor.

2. Mosquito bites: If the patient is in the hot summer, the exposed skin of the body will also cause itching symptoms after being bitten by mosquitoes. At this time, you can use soapy water to wash the affected area to relieve the discomfort symptoms, and you can also apply wind oil essence, cool oil and other itching relief.

2. Pathological factors

1. Eczema: eczema is inflammation of the superficial dermis and epidermis caused by a variety of internal and external factors, and the skin lesions in the acute phase are mainly papules and herpes in the acute stage, with a tendency to exude, and the chronic stage is mainly lichenoid and prone to recurrence. Patients can follow the doctor's instructions to apply topical calamine lotion, mometasone furoate cream and other drugs to improve their condition, and at the same time, they should also do a good job of skin cleaning and avoid scratching the affected area with their hands.

2. Urticaria: Urticaria is a common skin disease, which is mainly manifested as clumpy bumps of different sizes, bright red or pale, with obvious itching. Patients can be treated with oral antihistamines such as ebastine tablets and imidazolastine extended-release tablets under the guidance of a doctor.

In addition, it may be related to scabies, and it is recommended to seek medical attention in time to identify the cause and treat it.