Allergic Dermatitis

Allergic dermatitis is just what it sounds like, allergic reactions that cause the skin to swell, become red and itchy. There are several different things that can cause allergic dermatitis and it can vary greatly in how bad it is from person to person depending on just how sensitive their immune system is to the allergen that they come into contact with and whether or not they get treatment for it.


A dermatologist or doctor can help to find out what the cause is and treat it if the reaction is bad enough.
The most common cause of allergic dermatitis is animals. Animals, especially dogs, cause a reaction on the skin that can cause you to break out in a rash, or just make your skin red, itchy, and sometimes cause it to peel.



For the most part, unless you have a really bad reaction, this goes away quickly when you avoid the allergen and treat it. Allergies, even those that cause allergic dermatitis, are hard to control though partially because they are chronic in nature.


If you know the cause of you allergies though you can undergo treatments that will help to reduce or eliminate you allergic dermatitis sometimes without having to get rid of your pet.


Once your immune system comes across an allergen that it sees as dangerous then it releases antibodies against that allergen. It is for this reason that you do not have a reaction the first time you come across something that you are allergic to, your body doesn’t produce the antibodies until it has come across it and can immediately recognize it.


The antibodies that are produced because of allergies are different from those that are made to fight illness though, and it is this difference that causes the reaction that you get. The antibodies used to fight allergens are stored in mast cells which are the cells that cause inflammation which you can see as redness and swelling. It is caused because when the antibodies come across the allergen it releases chemicals like histamine that causes the swelling and rashes that you get with allergic dermatitis.

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