What does "prickly heat" mean?

Written by Zhu Zhu

Dermatology

Updated on September 25, 2024

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Prickly heat is the name of a disease, often characterized by the appearance of white spots, blisters, papules, or vesicular rashes on the skin, and it is usually accompanied by itchiness. The causes are generally related to the weather being too hot, high temperatures, and the inability of sweat to escape from the skin, accumulating on the epidermis and eventually leading to the occurrence of prickly heat. Overall, this disease is very common. Due to its skin symptoms and severe itching, it is advisable to treat it promptly. Moreover, paying attention to daily habits and ensuring good indoor ventilation can help prevent the occurrence of prickly heat.

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Written by Liu Li

Pediatrics

51sec

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What should I do if the baby sweats and gets prickly heat?

If a baby sweats a lot, they are likely to develop prickly heat rash. If the condition is not severe, simply clean the baby's skin with water and then apply prickly heat powder or prickly heat solution. If the condition is severe, it is necessary to take the baby to the hospital and follow the guidance and treatment of a professional doctor. Additionally, it’s crucial to maintain good ventilation in the room, ensure a healthy living environment, and adjust the baby's clothing timely according to weather changes. Avoid over-wrapping the baby. Bathe and wash the baby’s hair frequently to keep their skin clean. Regularly change the baby’s clothes, as well as the bed sheets and quilt covers, and expose them to sunlight often, as sunlight helps to disinfect.

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Written by Zeng Hai Jiang

Pediatrics

49sec

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Can children eat eggs when they have prickly heat?

When children develop prickly heat, it is best not to feed them eggs. Prickly heat in children primarily occurs because the sweat glands in the skin become blocked, leading to a type of skin disease. When children develop prickly heat, we need to cool and dry their skin, which will improve and relieve the condition. In terms of diet, we should also avoid spicy and irritating foods, greasy foods, and foods that are likely to cause allergies. Eggs, being rich in proteins, can easily trigger allergies. Therefore, when a child has prickly heat, it is best to avoid giving them eggs. If the child's prickly heat is severe, we can also apply topical medications to the affected area. The principle for using medications should be based on cooling, astringent, and anti-itch properties.

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Written by Huang Ling Juan

Dermatology

1min 4sec

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How to deal with heat rash that doesn't itch?

If prickle heat appears without itching, you can apply some Calamine Lotion locally. If the symptoms are not severe, you may not need any special treatment. Wear loose and breathable clothing, avoid excessive sweating, keep indoor air circulating, avoid direct sunlight, refrain from intense physical activities, drink plenty of water, and using foods that clear heat, cool the blood, and detoxify can also lead to significant improvement. Prickle heat usually occurs due to high temperatures, high humidity, and excessive sweating. Whether prickle heat causes itching varies from person to person; some people feel very itchy, whereas others do not show any symptoms, such as when white heat rash occurs, usually there are no noticeable symptoms. If prickle heat is accompanied by itching, treatment under the guidance of a doctor with antihistamine drugs may be necessary.

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Written by Zhu Zhu

Dermatology

36sec

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Can prickly heat heal by itself?

Prickly heat, the disease, can heal on its own since it primarily results from excessive heat or blocked sweat, leading to the condition. Therefore, prickly heat can gradually heal itself if the temperature decreases, cooler weather prevails, or if one sweats less commonly. However, it is crucial to prevent infection, as if infection occurs, it is necessary to use some topical anti-inflammatory medications. Thus, prickly heat can heal on its own, but it is essential to prevent infection during this time.

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Written by Quan Xiang Mei

Pediatrics

45sec

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Will children develop prickly heat on their limbs?

Children sometimes get heat rash, including on their limbs, but it's usually not severe. If the rash appears on the limbs, it's often because the skin on the limbs has been in contact with the skin on the trunk or from lying on that part of the body, such as the back. During the period when a child has heat rash, it's essential to ensure that sweaty clothes are changed promptly to keep the skin dry and clean. Regular bathing is necessary, and using prickly heat powder or, depending on the child's specific situation, treating with creams under a doctor's guidance, are all acceptable approaches. Additionally, parents should avoid giving their child food that could aggravate the condition.