Causes of red bumps on the head

Head long red lumps, this situation may be the most common scalp seborrheic dermatitis, seborrheic dermatitis occurs, due to local inflammatory reaction, red inflammatory lumps. It may also be the scalp showed folliculitis, folliculitis occurs mostly due to infection bacteria, the formation of local inflammatory reaction, will also show this symptom. It may also be caused by fungal infection, such as tinea capitis, which may form local inflammatory papules and exudative reactions. In addition, it may also be caused by allergic factors. The most common may be local contact dermatitis or eczematoid dermatitis, forming local papules, mounds, etc. It may also be caused by viral infection, such as blisters on the basis of local erythema due to infection with varicella zoster virus.