Body Heat-Induced Skin Tingling: Causes and Solutions

The body experiences a prickling sensation due to heat?

Hello, doctor.
During the fall, winter, and spring seasons, my body suddenly heats up, causing a level of tingling that drives me crazy.
It feels like my body is undergoing some changes.
For example, in winter, when I drink hot soup during meals, the heat causes a tingling sensation that makes me want to take off my clothes.
A few days ago, I went to a hot spring with a personal pool, and the water temperature was about 40 degrees Celsius.
After a few minutes in the water, my whole body became hot, and I started to feel a tingling sensation from my scalp down to my calves, which was unbearable and maddening.
This situation has persisted for about 6 to 7 years.
The only way to alleviate it is to cool my body down, which makes the tingling sensation disappear.
For instance, when I drink hot soup and feel the tingling, stepping outside into the cool air alleviates it.

I would like to know, doctor, what kind of condition I might have? Today, while driving, the air conditioning wasn't cold, and I started to feel hot.
I endured the tingling and continued driving.
After a while, I suddenly noticed small skin rashes on my hand that was gripping the steering wheel.
They were flesh-colored and did not turn red.
When I was no longer hot, the rashes disappeared.
Previously, when I experienced the tingling and took off my shirt, I could see that both of my arms had a skin reaction due to the heat, resembling goosebumps with small bumps all over.
What is happening to my body?

Tòngkǔ de rén, 20~29 year old female. Ask Date: 2005/02/22

Dr. Huang Ruiyun reply Dermatology

Based on your symptom description, it is typical of cholinergic urticaria, which is an allergy to heat.
You can visit a dermatologist for medication management to improve your quality of life.

Reply Date: 2005/02/22

More Info

The symptoms you are experiencing, particularly the intense tingling and itching of the skin when your body temperature rises, could be indicative of a condition known as cholinergic urticaria. This is a type of physical urticaria that is triggered by an increase in body temperature, which can occur due to various factors such as exercise, hot showers, spicy foods, or even emotional stress. In your case, it seems that the change in temperature from consuming hot soup or soaking in a hot spring is causing your symptoms to flare up.

Cholinergic urticaria is characterized by the appearance of small, itchy hives or welts on the skin, often accompanied by a burning sensation. These hives can appear on any part of the body, but they are most commonly found on the upper body, arms, and neck. The condition can be quite distressing, especially since it can lead to significant discomfort and affect your daily activities.

The fact that your symptoms have persisted for several years suggests that this is a chronic condition. It is important to note that while cholinergic urticaria is not life-threatening, it can significantly impact your quality of life. The good news is that there are management strategies available to help alleviate your symptoms.

1. Antihistamines: Over-the-counter antihistamines, such as cetirizine or loratadine, can be effective in reducing the itching and hives associated with cholinergic urticaria. These medications work by blocking the action of histamine, a substance in the body that causes allergic symptoms.

2. Avoiding Triggers: Identifying and avoiding triggers that cause your body temperature to rise can help manage your symptoms. This may include avoiding hot foods and drinks, taking cooler showers, and minimizing exposure to hot environments.

3. Cooling Measures: When you start to feel the tingling or itching sensation, applying a cool compress to the affected areas or using fans to circulate air can provide immediate relief. Additionally, wearing loose-fitting, breathable clothing can help keep your body temperature down.

4. Lifestyle Modifications: Incorporating stress-reduction techniques such as mindfulness, yoga, or deep-breathing exercises can help manage the stress that may contribute to your symptoms. Regular physical activity, while it may initially trigger symptoms, can also help regulate your body's response to heat over time.

5. Consultation with a Dermatologist: Since your symptoms have been persistent and bothersome, it would be beneficial to consult with a dermatologist or an allergist. They can conduct a thorough evaluation, possibly including skin tests or other diagnostic measures, to confirm the diagnosis and rule out other potential conditions.

6. Medications: In some cases, a healthcare provider may prescribe stronger antihistamines or other medications to help manage more severe symptoms.
In conclusion, while the tingling and itching sensations you are experiencing are likely related to cholinergic urticaria, it is essential to seek professional medical advice for a definitive diagnosis and tailored treatment plan. Managing this condition involves a combination of avoiding triggers, using antihistamines, and implementing cooling strategies to alleviate symptoms. With the right approach, you can significantly improve your quality of life and reduce the frequency and severity of your symptoms.

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