Psoriasis and dermatitis affect the skin but have different causes and symptoms. Dermatitis is usually caused by external factors and can be treated with antihistamines, while psoriasis is caused by the immune system and is treated with topical products containing tar and corticosteroids. Both can be treated with sun exposure and hydrating creams.
Two health conditions called psoriasis and dermatitis both affect the skin, but are different in many ways. The two conditions are usually caused by different problems, as dermatitis is usually caused by a factor external to the body while psoriasis is due to an internal problem. Also, psoriasis and dermatitis tend to look different on the skin, as the former usually causes silvery scales on top of the red rash that is more characteristic of dermatitis. Also, while both can be difficult to get rid of and can even be considered for life, treatment is usually different for each.
Dermatitis, which usually takes the form of eczema, is most often caused by external factors, such as contact with an irritant. Once there is no more contact with the irritant, the condition should resolve for the most part with treatment, although susceptibility to dermatitis is hereditary and lifelong. On the other hand, psoriasis is caused by the immune system attacking the body from within, although it is usually triggered from time to time by stress, certain medications and infections. Therefore, psoriasis and dermatitis tend to have different causes.
Both conditions usually involve the skin turning red in the affected area, but psoriasis also causes silvery scales to form on top of the red rash. The scales flake off over time, sometimes causing bleeding underneath, while the biggest complaint of a rash caused by dermatitis is that it itches and becomes inflamed. Scratching too much of either type of rash can result in thick, hard skin that is prone to infection, especially when dermatitis occurs near the eye, as pink eye and other complications can occur.
Unsurprisingly, there are several different treatments available for psoriasis and dermatitis, although they have some commonalities in helping to heal the skin. Psoriasis is best treated with topical products that contain tar and corticosteroids, which are also a common treatment for severe cases of dermatitis. Both conditions can also be treated with sun exposure, so this is one of the few times doctors actually recommend exposure to ultraviolet light in controlled amounts. Severe cases of dermatitis usually clear up over time using antihistamines to combat the allergens, once contact with the irritant is stopped, of course. Additionally, some creams have been developed that work to keep the skin hydrated, and some even contain a steroid to help the skin heal from dermatitis quickly.
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