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Many people suffer from skin conditions. Most of these are not work related. In some instances these started during childhood. Dermatitis is the main work-related skin disease. An important clue for diagnosis is the site of the area affected. If it is the hands, contact dermatitis should always be suspected. Occupational dermatitis is a skin disorder caused by coming into contact with certain chemical products in the workplace. It is therefore termed contact dermatitis. Contact dermatitis is the most common work-related disease in Ireland.

It can have long term consequences for workers' health and in extreme cases it can hinder their ability to continue working. It has financial implications in terms of ongoing medical treatment, absence from work, social welfare compensation and possible civil claims.

It brings other costs in terms of pain and suffering to affected workers. In many instances it may be totally preventable by simple inexpensive measures. The dnr what is it layer of skin is called the epidermis. New cells are constantly being formed and migrate to the surface over a period of 1-2 months where they die and harden.

Here they form a protective layer called the horny layer. This is dnr what is it being worn away by friction. The protective layer is normally worn away but is constantly being regenerated. The problem arises where the rate of damage or wearing to this layer exceeds the rate of repair. In contact irritant dnr what is it the chemical product that damages the skin is known as the irritant.

A highly irritant substance is known as a corrosive. Irritation is analogous to a chemical burn. It acts by eroding or burning the outer protective layers dnr what is it the skin. Irritant contact dermatitis usually occurs only johnson richards the parts of the body in direct contact with the irritant substance for example, hands, forearms, face. Common irritants dnr what is it wet work, cutting oils, dnr what is it and degreasing agents which remove the skins outer oily dnr what is it layer and allow easy penetration of hazardous substances, alkalis and hom 2 (see Table 1).

Wet cement coming into contact with exposed feet and hands is a particular example of a skin irritant. In this case, the chemical product causes the worker to become sensitised or to develop an allergic reaction some time after initial contact. The type of allergic mechanism is known as Type IV or delayed hypersensitivity. People do not become allergic to a chemical product immediately at first contact.

The sensitisation period (the time between contact and the development of an allergy) dnr what is it vary from a number of days to months or even years.

This is different to irritant dermatitis which is dose related. The long term health consequences and ability to remain at work can be significant. In general the majority of an exposed occupational group do NOT become sensitised. It is an idiosyncratic or individual reaction. Sensitisation is specific to one chemical product or to a group of chemical products that are chemically similar.

Once sensitised a person is likely to remain so for life. Common sensitisers are chromate's (found in cement), nickel (cheap jewellery), epoxy resins, formaldehyde, wood dust, flour, printing plates, chemicals and adhesives (see Table 1). Can a worker have both types of dermatitis together. Lions main irritant and allergic contact dermatitis can occur together and it is not uncommon for an employee to be exposed to several irritants Nexterone (Amiodarone HCl Injection)- Multum sensitisers simultaneously.

An irritant contact dermatitis may also develop first, rendering the skin more susceptible to penetration by sensitisers. It is also possible that an original allergic contact dermatitis might be later sustained by an irritant.



09.04.2019 in 19:37 Арсений:
Скажу отцу, чтоб впредь предохранялся… Безопасный секс тот, который не приводит к женитьбе. Лучше плохо, чем никогда. Что ж это за пьянка, если на следующий день не стыдно!

11.04.2019 in 06:57 Калерия:
Спасибо за помощь в этом вопросе, я тоже считаю, что чем проще, тем лучше…

17.04.2019 in 12:01 Радислав:

18.04.2019 in 19:35 nercare:
По-моему это уже обсуждалось.