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Contact eczema Author: Dr. Majid Jafari Category:

Contact eczema

In contact eczema, skin due to contact with substances Various will experience redness, swelling and blisters. Blisters may rupture and leave scabs and crusts. after For some time, the affected skin may become darker Take on a leather-like and wrinkled state. There are two types of contact eczema:

1- Allergic 2- Irritating

In Allergic type of person becomes sensitive to some substances over time. in case In the irritating type, the person's skin is immediately in contact with acids, solvents, alkalis and soaps Strong detergents called irritants are irritating. some materials Chemicals can cause both irritant and allergic contact eczema.

Finding the cause of eczema Contact

Usually allergists and patients about substances which is in contact with the person's skin at home or at work, discuss to identify the cause of allergy to be Sometimes it may be necessary to perform patch skin tests for identification Test). This test is an easy and safe way to Diagnosing contact sensitivities. Common allergenic substances include nickel, latex, cement, leather, some topical drugs, Preservatives in creams and cosmetics, paints, perfumes, poison ivy, oak Sami pointed out.

Allergy to nickel

Nickel is present in a large number of metallic materials. In metals with chrome coating, nickel in the necessary amount It exists to create a reaction. But the nickel in steel containers is due to the existence of bonds It is very strong with other metals, the possibility of contact eczema reaction in people who are exposed to Nickel is sensitive, it reduces a lot. Earrings containing nickel materials can also cause cause a skin problem in the ear. Fasteners made of nickel in clothes such as buckles, zippers Buttons and clips can also cause irritation.

allergy to latex

Rubber materials often cause contact eczema they become These situations are especially in people who wear tight rubber gloves (such as gloves It is created by wearing medical latex. In such cases, gloves should be worn Made of vinyl or other synthetic materials.

Latex in gloves can also It can cause immediate allergic reactions such as burning, itching and hives at the point of contact with latex. It is even possible after contact with latex, itching and watery eyes and rarely shortness of breath to occur The presence of rubber in women's underwear also causes skin allergies A call is made at the place of contact.

Often contact eczema caused by shoes The rubber ingredients used in the structure of the shoe are created. But the adhesives to Used in shoes can also cause problems.

Sensitivity to hair color

Most people can have hair without any problems paint yourself However, some people are allergic to paraphenylenediamine (PPD). This substance is used in permanent hair color along with other substances There are chemicals (such as peroxides).

Those who have PPD They are allergic and should never use permanent hair color to use About 1.4 people are sensitive to PPD Compared to the materials available in semi-permanent color are sensitive Before using any hair dye, follow the instructions on the box Follow a skin sensitivity test. Many of those have PPD They can be sensitive to temporary hair color use hair dye.

Though PPD colors They are rarely used in clothes, but from Other dyes that cross-react with PPD are abundant for dyeing clothing is used As a result, some people are sensitive to PPD They cannot wear dark clothes and must Use bright colors of clothes.

Allergy to the products Cosmetics-sanitary

Perfumes and cosmetics can cause Contact allergy reactions. In some people this sensitivity to their chemicals It is perfumes. While in some others to chemical preservatives that order To prevent spoilage, these types of products are used sensitively. These people should from Use fragrance-free products.

Sensitivity to chromates

Chromate in cement, leather, matches, paints and materials There is stainless steel. Contact eczema to chrome in jobs related to cars, Welding, casting, concreting, railway industries and building restoration industries are common. Chromates are also used to dye leather in the shoe and clothing industry. Induced eczema From shoes, it is possible after wearing shoes made of leather containing chromate. to appear These people should use shoes that are dyed in their leather Instead of chromate, plant materials have been used. Some matches also contain chromate. Extinguished matches, smoke Caused by a lighted match and burnt match head can also cause allergy.

Allergy to poison ivy and Plants related to it

In this type of contact sensitivity, a plant like ivy Poison and poison oak are responsible for eczema. The resulting reaction is similar to other types of this species It is reactions. Usually a line of small blisters at the site of contact with the plants on the skin A patient is created. Patients sensitive to these poisonous plants are usually more sensitive to the products The oils of these plants are also sensitive.