In the outpatient clinic, a patient mistakenly thought that his psoriasis was seborrheic dermatitis and applied topical drugs on his own, which caused the skin lesions to worsen. Therefore, it is very important to understand the differences between these two diseases for proper diagnosis and **. Today,Du Rongchang, a doctor at Shanghai Huashan HospitalThe difference between psoriasis and seborrheic dermatitis will be described in detail.
First, ** is different
Psoriasis is more complex and is currently thought to be related toLegacytransmission, immunity, infection, environmentand other factors. And the ** of seborrheic dermatitis is mainly related toExcessive sebum production, Malassezia infection, immune factorsand so on.
Second, the symptoms are different
The symptoms of psoriasis are mainly manifested as:**Red patches appear on the surface, with silvery-white scales on the surface, and thin film and punctate hemorrhages can be seen after the scales are scraped off。The main symptoms of seborrheic dermatitis are:**Erythema, greasy scales, oozing and crusting may occur in severe cases, often accompanied by varying degrees of itching.
Third, the most common parts are different
Psoriasis can appear anywhere on the body, but it is more common inElbows, knee extensions, and headWait. Seborrheic dermatitis is more likely to occur in:Scalp, face, armpits, upper chest and backand other areas where sebum secretion is vigorous.
Fourth, the course of the disease is different
The course of psoriasis is relatively long, easy to reverse, and requires long-term management and management. Seborrheic dermatitis, on the other hand, has a relatively short course and can generally be cured after a few weeks.
Fifth, the method is different.
** Methods of psoriasis include:Medications**, phototherapyIt is necessary to develop a personalized plan according to the specific situation of the patient. The best methods of seborrheic dermatitis are mainly external drugs, such as:Antimicrobials, hormonal drugs, etc, while taking care to keep it clean and dry.
Therefore, although psoriasis and seborrheic dermatitis are both common diseases, there are obvious differences between them in terms of symptoms, common locations, course and diseases. If you experience similar symptoms, you shouldSeek medical attention in a timely manner and consult a professional doctor, and do not self-diagnose diseases and medications** to avoid deterioration of the condition