Will Heat Rash Heal on Its Own? Symptoms and Treatment

Will heat rash resolve on its own?

Will dyshidrotic eczema heal on its own? I have developed dyshidrotic eczema on my hand, and the blisters have already burst on their own.
The redness and number of blisters have decreased slightly (but only a little), and the itching has also reduced.
However, my entire hand is still red, and there is a slight pain where the blisters have burst.
I still experience itching every night while sleeping.
Will this condition improve naturally, or should I see a doctor for medication to help it heal? (Currently, I am applying Vaseline to moisturize my peeling skin.)

X, 20~29 year old female. Ask Date: 2021/08/24

Dr. Wu Yuxin reply Dermatology

Yes, but it will recur.

Reply Date: 2021/08/24

More Info

Heat rash, also known as prickly heat or miliaria, is a common skin condition that occurs when sweat gets trapped in the skin's pores. It typically manifests as small, red bumps or blisters, which can be itchy and uncomfortable. In most cases, heat rash will heal on its own, especially if the underlying cause—excessive heat and sweating—is addressed. However, there are several factors to consider regarding your specific situation.

From your description, it sounds like you are experiencing a mild case of heat rash. The fact that the blisters have already burst and the redness is slightly decreasing is a positive sign. The reduction in itching and the overall improvement in symptoms suggest that your body is beginning to heal. However, the persistence of redness and mild pain indicates that the skin may still be irritated or inflamed.

Here are some key points to consider for managing heat rash effectively:
1. Avoid Heat and Humidity: The primary cause of heat rash is excessive sweating due to heat and humidity. Try to stay in a cool, dry environment as much as possible. Wearing loose-fitting, breathable clothing can also help reduce sweating and irritation.

2. Keep the Affected Area Dry: Moisture can exacerbate heat rash. After bathing or sweating, gently pat the area dry with a clean towel. Avoid rubbing the skin, as this can cause further irritation.

3. Use Soothing Creams: While you are currently using Vaseline to moisturize, consider applying a soothing lotion or cream that contains ingredients like aloe vera or calamine. These can help alleviate itching and promote healing. Avoid heavy ointments that may trap heat and moisture.

4. Avoid Scratching: It can be tempting to scratch the itchy areas, but doing so can lead to further irritation or even infection. If the itching is bothersome, consider using an over-the-counter antihistamine to help reduce the urge to scratch.

5. Monitor for Infection: Since you mentioned that the blisters have burst, keep an eye on the affected area for any signs of infection, such as increased redness, swelling, warmth, or pus. If you notice any of these symptoms, it is important to seek medical attention.

6. Consult a Healthcare Professional: If your symptoms do not improve within a few days, or if they worsen, it may be wise to consult a healthcare provider. They can assess the severity of your heat rash and may prescribe topical corticosteroids or other treatments to help reduce inflammation and promote healing.

In summary, while heat rash often resolves on its own, proper care and attention to the affected area can facilitate healing and prevent complications. If you continue to experience discomfort or if the rash does not improve, do not hesitate to seek medical advice. Your skin's health is important, and a healthcare professional can provide tailored recommendations based on your specific condition.

Similar Q&A

Understanding Heat Rash: Causes, Symptoms, and Management Tips

Dear Doctor: My skin becomes very itchy and develops small bumps similar to mosquito bites whenever my body temperature rises or the weather is hot. When my body temperature decreases, it returns to normal. I have seen a dermatologist who diagnosed it as heat allergy and advised ...

Dr. Zheng Lizhen reply Dermatology
Based on your description, it may be urticaria. Temperature fluctuations are one of the triggers for urticaria. You should consult a dermatologist nearby for diagnosis and treatment.

Managing Blisters After Heat Burns: When to Seek Medical Attention

Hello doctor, as shown in the picture, the blister on the second day is about the height of a coin. There is no pain when touched. Should I pop it myself or go to a clinic? Can the blister heal on its own without breaking? Or do I need to apply any medication? Thank you.

Dr. Wu Yuxin reply Dermatology
The Medical Act stipulates that "a physician must personally examine a patient before administering treatment or prescribing medication..." Therefore, online diagnosis is also not permitted. If you are experiencing significant distress, it is advisable to seek medical a...

Understanding Heat Rash: Causes, Symptoms, and Treatment Options

There are numerous red spots on the arm that become more pronounced with heat; they are not itchy but are unsightly. There are small bumps under the eyes that some say are warts. How can these be treated?

Dr. Jiang Zheen reply Dermatology
The lump under the eyelid may be a sweat gland tumor, so it is best to have it evaluated by a dermatologist. The lesion on the arm could be keratosis pilaris, which has medical treatment options. Wishing you peace and joy.

Burn Recovery Questions: When to Follow Up and Relieve Itching

Hello, doctor: A few days ago, I burned my arm with boiling water, and the doctor diagnosed it as a second-degree burn, prescribing anti-inflammatory medication and pain relievers. I have finished the medication and have been cleaning the wound myself. Do I need to return for a f...

Dr. Wu Yuxin reply Dermatology
Whether a follow-up appointment is necessary depends on the subsequent changes in the wound. It is advisable to maintain communication with your treating physician. If you experience itching, you can ask your doctor to prescribe a few days' worth of oral antihistamines to al...