Sweat allergic dermatitis

Sweat allergies are allergic reactions that cause skin rashes which many believe is caused by sweating. Actually, what is the cause? And how to treat Including prevention methods that patients should be aware of so as not to cause severe symptoms that affect everyday life.

Sweat allergies are a type of heat caused by urticaria . The heat will stimulate the sweat glands. Causing sweat to be released together with the occurrence of a rash Or some patients may develop an allergic reaction to sweat due to the body creating an antidote or immunity, such as Immunoglobulin on one’s own sweat, resulting in urticaria.

How are you allergic to sweat?

Sweat allergies tend to occur quite suddenly. And can occur throughout the body But the most common are the chest, face, upper back, and arms. Initially, the urticaria develops shortly after starting to sweat. The rash looks like a red blotch. Or thick, convex, circular Itching or itching may appear . If you touch the rash, it will feel warm, sometimes similar to swollen skin. If the rash occurs near other areas.

The sweat allergy lasts from 30 minutes to 1 hour each time from the onset of the symptoms until the hives collapse. However, in some patients, severe allergic reactions may be dangerous. Therefore, if there are other symptoms such as diarrhea, headache, dizziness, shallow breathing or whistling Saliva in the mouth more than usual Low blood pressure And the pain is squeezing the stomach Should see a doctor as soon as possible.


The main cause of sweat allergies is heat when the patient is in an area with high heat. Doing activities that cause body heat, such as exercising, taking a warm shower or entering a sauna, wearing fever-tight clothing, or not ventilating.  Eating foods that are spicy. These activities cause sweat glands to produce sweating for cooling and when the skin reacts to sweat and heat. Will stimulate the development of hives In some cases, allergic reactions to sweat may relapse from stress. And anxiety as well.

In most cases, people with sweat allergies tend to rarely experience symptoms of other types of urticaria due to external factors such as scratched urticaria. Urticaria caused by cold Or hives caused by pressure As for patients with other diseases such as rash, dermatitis, asthma or other allergies, such as air allergy, food allergies or pollen allergies. There is a risk of becoming allergic to sweat more easily as well.

Who is at risk of sweat allergies?

Although sweat allergies can occur with all ages. But most often it occurs in men more than women. And will begin to show symptoms for the first time in the age of 10 years and 30 years, with people who are at risk of this symptoms include people with chronic urticaria. And patients with diseases related to allergies such as asthma, rhinitis Or skin rash, inflammation, etc.

How to treat allergic sweat?

Initially, the treatment of sweat allergies focuses on ways to reduce allergies. And control to prevent relapse Which can take care of yourself as follows.

Avoiding allergic reactions such as exercise If possible, exercise in an area that is not too hot. Or avoid warm baths and sauna Able to control stress and anxiety

Choose the right food If you find yourself allergic to sweat from the heat Should avoid eating spicy foods Reduce the amount of hot food or drink and should control the amount of alcohol. It will help reduce the frequency of symptoms occurring.

However, if the allergic reaction to sweat relapses. Doctors often prescribe medication, such as leukotrine inhibitors. Or immunosuppressants and other drugs.

Antihistamines  such as Steiner’s seven scenes that active compounds to inhibit histamine, which cause allergy. Causing the allergic reactions to gradually decrease effectively.

Ketoprofen is a drug that helps alleviate sweat allergies as well. Which can help reduce the amount of rash And itching However, it is a drug that may cause side effects on the respiratory system as well. Therefore should be used under the guidance of a doctor carefully.

Beta-blockers, such as propranolol, are often used to treat high blood pressure. And causes the factors to stimulate sweating allergies to decrease.

In addition, patients may have to take care of themselves while using medication. Which, in addition to helping to reduce allergic reactions It may also reduce the frequency of symptoms.

How to prevent allergic sweat?

Hypersensitivity to sweat can not be 100% prevented, but can reduce the frequency of Occurrence If found to be allergic to sweat Should avoid various risky behaviors such as if stress factors Should avoid situations that cause stress And should find a way to manage stress. In addition, allergic reactions can be prevented with these methods.

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