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General Practice 2023

Skin allergy: main causes and how to treat

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Skin allergy: main causes and how to treat
Skin allergy: main causes and how to treat

Skin allergy is an inflammatory reaction that can manifest itself in different regions of the skin, such as hands, feet, face, arms, armpits, neck, legs, back or belly, causing symptoms such as redness, itching and white or red bumps on the skin. Also, in some cases skin allergy can lead to other problems such as allergic swelling, for example.

Skin allergy can have different causes, such as allergy to deodorant, medication, food, sun, insect bites or even allergy to sunscreen, and its treatment can be done with the use of of antihistamine drugs, such as desloratadine or ebastine, for example, indicated by the dermatologist or allergist.

Main symptoms

The main symptoms of skin allergy include:

  • Itching;
  • Redness;
  • Peeling;
  • Irritation;
  • Presence of spots or pimples (reddish or white balls).

These symptoms can appear a few minutes after contact with the allergen, but they can also take several hours and even days to fully develop. In this way, you should try to remember the objects or substances that were in contact with the region in the last 3 days, or the medicines or foods you ate, to try to find a cause.

In the most serious and less common cases, skin allergy can also lead to the appearance of serious symptoms, such as swelling in the eyes and mouth, difficulty breathing and throat discomfort, in these cases it is very important to go to the emergency room quickly help or call SAMU.

What to do when symptoms arise

As soon as the first symptoms of allergy appear, it is important that you take action quickly, washing with plenty of water and soap with neutral pH the areas of the skin where the allergy symptoms are appearing. After washing these areas well, it is important to apply hypoallergenic products with soothing agents, such as creams or lotions with a calming action such as chamomile or lavender, to relieve discomfort and soothe skin irritation, also helping to maintain hydration.

In addition, Thermal Water is also an excellent option to use in these situations, as it moisturizes the skin and reduces itching and irritation. Discover other home treatments to treat skin allergies by clicking here.

However, if after washing and moisturizing the skin, the symptoms do not disappear completely after approximately 2 hours or if they worsen in that period of time and become exuberant or bothersome, it is recommended that you consult a doctor so that he can prescribe medication for the treatment of allergy.

What can cause allergy

Skin allergy can have many causes, which include:

  • Insect bites;
  • Sweat;
  • Jewelry;
  • Food poisoning;
  • Medication or food;
  • Plants or animal hair;
  • Clothes, belts or certain types of fabric, such as wool or jeans;
  • Irritating substances or materials such as detergent, laundry soap, beauty and cosmetic products, makeup, shampoo, deodorant, shower gel, soap, wax or even depilatory cream.

Skin allergy can manifest itself causing several symptoms, and it is very important to be able to identify the cause of the allergy so that it can be avoided.

Skin allergy treatment

The recommended treatment for skin allergy should be indicated by a dermatologist or allergist and the type of treatment will depend on the cause and intensity of the symptoms.Treatment is usually with antihistamines such as desloratadine or ebastine, for example, or corticosteroids such as hydrocortisone or mometasone, in the form of creams, ointments, syrups or tablets, which serve to relieve and treat allergy symptoms.

Also, in cases where the itching is very intense, the doctor may also recommend the use of an allergy ointment, which will moisturize the skin and relieve itching and redness.

How to know if you have a Skin Allergy

The diagnosis of skin allergy can be made by the allergist or dermatologist, according to the causes, who assess the symptoms manifested in the skin. In some cases, the diagnosis can be confirmed through allergy tests, carried out through pricks on the arm and with a response after 15-20 minutes, or through another test that consists of applying (usually on the back) different substances known as cause skin allergies, letting them act between 48 to 72 hours, or even through a blood test.

After the indicated time, the doctor will then observe if the test was positive or negative, observing if redness, itching or if there have been pimples on the skin, also identifying the agent responsible for causing the allergy. Blood tests may also indicate a cause for the allergy. See how the allergy test is done by clicking here.

Is skin allergy more common in pregnancy?

Skin allergy during pregnancy can happen due to hormonal and immune system changes that occur naturally during this period, which can make the pregnant woman more sensitive to the appearance of an unwanted skin allergy.

In these cases, it is recommended that you try to soothe the skin with creams or lotions that help relieve discomfort and skin irritation, and it is recommended that you consult a dermatologist or allergist as soon as possible.

Usually, skin allergy in pregnancy does not harm the baby, but if the allergy symptoms are intense, it is recommended to go to the emergency room or hospital.

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