Small white blisters on arms during hot weather
Jun 01, 2023
Source: Cainiu Health
Dr. Liu Wan
Introduction
Small white blisters on the arms during hot weather may be caused by factors such as burns, contact dermatitis, or prickly heat. Prompt medical attention is necessary. Additionally, conditions like eczema, chickenpox, or solar dermatitis should also be considered. It's important to cooperate with your doctor to complete appropriate examinations, identify the underlying cause, and then proceed with treatment. During treatment, maintain cleanliness and dryness of the affected area, avoid scratching, and refrain from consuming spicy or irritating foods.
Small white blisters on the arms during hot weather may be caused by factors such as burns, contact dermatitis, or prickly heat (miliaria), and prompt medical attention is recommended. Specific analyses are as follows:
1. Burns
During hot weather, exposure of the arms to high temperatures may cause burns, leading to acute damage of the epidermis and excessive subcutaneous fluid exudation, resulting in the formation of white blisters. This condition may also be accompanied by pain. Immediate treatment includes rinsing the area with cool water, followed by topical medications prescribed by a doctor, such as fusidic acid cream, erythromycin ointment, or zicao burn ointment.
2. Contact Dermatitis
Hot weather can lead to excessive sweating, and sweat may irritate the skin on the arms, triggering an inflammatory reaction that results in blisters, which may appear white. It is recommended to use medications as directed by a physician, such as triamcinolone acetonide/econazole cream, halometasone cream, or compound acetic acid dexamethasone cream.
3. Prickly Heat (Miliaria)
When the arms are exposed to hot and humid conditions, excessive sweat production and poor evaporation can lead to prickly heat, manifesting as tiny, pinhead-sized white blisters. Treatment may include miliaria relief products, calamine lotion, or zinc oxide ointment, used according to medical advice.
In addition, other possible causes include eczema, chickenpox, or solar dermatitis. It is important to cooperate with a doctor to complete appropriate examinations, identify the underlying cause, and then proceed with targeted treatment. During treatment, maintain cleanliness and dryness of the affected area, avoid scratching, and refrain from consuming spicy or irritating foods.
