Causes of itching on the lower legs in summer

Written by Liu Jing
Dermatology
Updated on March 10, 2025
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The causes of itchy skin on the lower legs during summer are usually related to various factors such as sun exposure and sweating.

Diagnosed as summer dermatitis, it is necessary to apply sunscreen and provide symptomatic treatment with anti-allergy, anti-inflammatory, and anti-itch measures. Avoid irritating factors such as scalding washes and scratching, as well as excessive use of soaps.

Furthermore, after bathing, it is timely to use medical skincare products, such as soft moisturizing cream or anti-itch moisturizing lotion, to maintain hydrated skin.

Oral administration of drugs like levocetirizine tablets, moisturizing and anti-itch capsules, and vitamins is recommended. Topical applications in the itchy areas of the skin can include moisture-removing anti-itch cream or compound heparin sodium cream.

Avoid the use of hormone-based medications as much as possible to prevent side effects such as hairiness and skin atrophy.

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Written by Huang Ling Juan
Dermatology
1min 5sec home-news-image

What should I do if I have itchy skin?

If you experience itchy skin, it is advisable to visit a hospital to determine the cause. Some cases of skin itchiness are caused by internal diseases such as thyroid disorders, renal insufficiency, diabetes, and cholestasis. Other cases may be due to conditions like eczema, urticaria, or papular urticaria. If the skin itchiness is not accompanied by other unusual symptoms, it may be considered pruritus. Treatment should be under the guidance of a doctor, using antiallergic medications such as loratadine tablets, chlorpheniramine maleate tablets, and mizolastine tablets. For conditions like eczema and papular urticaria, as well as drug-related dermatitis, topical antipruritic medications like mometasone furoate gel and Lushengshi wash can be applied. These should be used in conjunction with oral antiallergic drugs. (Medication should be used under the guidance of a doctor.)

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Written by Liu Jing
Dermatology
58sec home-news-image

How to treat dry and itchy skin?

For dry skin accompanied by itching, which is diagnosed as dry eczema, it is necessary to enhance skin moisturizing care, drink more water, and timely use medical skin care products such as soft moisturizing cream after bathing with warm water. It is encouraged to drink Ophiopogon japonicus, eat more fresh fruits and vegetables and a moderate amount of nuts, avoid spicy, stimulating, and fried foods, and take oral medications such as cetirizine tablets, moisturizing and anti-itch capsules, vitamin B1 tablets, and vitamin E. For itchy areas of the skin, topical application of dampness-removing and itch-relieving cream, heparin sodium cream, and other medications can be used. The key is to strengthen the daily repair of the skin barrier and reduce the use of alkaline substances. (Medication should be used under the guidance of a physician.)

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Written by Liu Gang
Dermatology
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Is itching a precursor to cancer?

Most cases of skin itching are not directly related to cancer. Itchy skin is mainly associated with allergies or dry skin, and a reduction in the secretion of sebaceous glands. Some patients experience itching due to long-term diabetes, and it is most commonly seen in the elderly. Some elderly people also develop chronic itching due to frequently bathing in hot water. Once itchy skin occurs, treatment at the dermatology department of a formal hospital with anti-allergy medication is generally sufficient. Avoid bathing in overly hot water, spicy and irritant foods, and staying up late. After bathing, it is advisable to use a moisturizer extensively. While this condition generally has no correlation with cancer, some patients diagnosed with cancer may also experience itching, though it is not related to the simple presence of itchy skin.

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Written by Zhu Zhu
Dermatology
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Foods to avoid for itchy skin

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.

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Written by Li Xiao Lin
Emergency Department
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What should I do if I have itchy skin due to a seafood allergy?

Seafood allergies can cause symptoms such as itchy skin and rash. You can take oral antihistamines, such as cetirizine or loratadine, to alleviate the symptoms. If the itching is severe, you can have intravenous treatments with dexamethasone, a large amount of vitamin C, and calcium gluconate, among other antiallergic treatments, to ease the symptoms. It is also advisable to drink plenty of water and eat fresh vegetables and fruits to supplement vitamins, which can be beneficial for recovery. Avoid spicy, stimulating foods and yeast-containing products, and be cautious with your diet to avoid allergenic foods. If necessary, go to the hospital to identify the specific allergens to clearly understand what you are allergic to, which will help in avoiding allergic reactions in the future. If the itching is severe and accompanied by obvious rashes, topical calamine lotion can be applied to the affected area for its anti-inflammatory, itch-relief, and astringent properties, promoting recovery. If the condition is severe, further medical examinations and treatments in a hospital are essential to prevent a serious condition from developing. (Use of medication should be under the guidance of a physician)