Seborrheic dermatitis, also known as seborrheic eczema, is a chronic papulosquamous inflammatory skin disease that occurs in areas rich in sebaceous glands. The disease is most commonly seen in adults and newborns, and occurs in sebaceous gland-rich areas such as the head, face, and trunk.
Clinical manifestations.
1, the age of prevalence: common in the sebaceous glands secretion is more vigorous in young people and adults.
2. Location: It occurs in areas with rich sebaceous gland distribution, most commonly on the head and face, and in severe cases it can involve the chest and back.
3, lesions: greasy scaly yellow-red patches, clear borders, symmetrical distribution, varying degrees of itching, chronic, prone to recurrence.
Note the identification of.
1, sometimes seborrheic dermatitis of the scalp and psoriasis (commonly known as “psoriasis”) are not easy to distinguish and can be easily misdiagnosed.
2. Seborrheic dermatitis on the face and chest and back can be easily misdiagnosed as erythrodermic aspergillosis, which requires vigilance. In order to avoid delaying treatment and causing serious consequences.
3. Attention should also be paid to differentiating it from rosacea (rosacea).
Etiology.
Current research suggests that seborrheic dermatitis is based on seborrhea, the normal flora of the skin surface dysbiosis causing inflammation, especially the scalp may be related to the bacterium Sphaerococcus furfur. Other factors such as genetics, mental stress, dietary structure, chemical stimulation, excessive hair washing, irregular life, B vitamin deficiency, alcoholism, etc. are all related to the occurrence and development of this disease.
Note: Currently, seborrheic dermatitis is not considered to be related to androgens.
Treatment and prevention.
The principles of treatment are depigmentation, antipruritic, dandruff and anti-inflammatory.
1, the light can take oral Menopin granules, Indane granules, external use of JingShiPing solution, ShuShiTuo solution and face prick cream.
2, heavy oral retinoid drugs to inhibit sebum secretion, but there are certain side effects, not as the first choice.
3, scalp seborrheic dermatitis can use drugs containing hormones topically, such as compound trimethoprim acetate solution, but the face is best not to use drugs containing hormones, easy to rebound, and the side effects are large.
4, because scalp seborrheic dermatitis and furfur spores related, can use shampoo products containing antifungal ingredients (such as Caile, Kang Wang, etc.), there is a certain auxiliary effect.
5, facial inflammation is serious can be used topically 0.03% tacrolimus ointment, control inflammation after gradually reduce the amount, good effect, little side effects.
The seborrheic dermatitis is prone to recurrence, so special attention should be paid to the prevention of.
1, life should be regular, sleep enough, not too nervous.
2, to eat more vegetables, less greasy food and sweet food, avoid drinking alcohol, prohibit spicy food, keep the bowels open.
3, less hot water, irritating soap to wash hair, avoid all kinds of mechanical stimulation.
4.Once seborrheic dermatitis occurs, it should be treated promptly.