What is a small red knot on the neck?

Neck long red lumps, may be folliculitis, eczema, dermatitis and other false disease caused. Most of the symptoms are due to exposure to allergens, or virus bacteria caused by the disease, it is recommended that patients should immediately go to the local hospital for examination, doctors will clearly judge the severity of the disease according to the results of the examination, timely treatment with drugs, control the development of the disease. If the symptoms are caused by allergens, it is recommended that patients do not contact such allergens to prevent re-allergy. Moreover, daily diet should be light, do not eat spicy and greasy food, eat more fresh fruits and vegetables, and pay attention to local hygiene and cleanliness.