As summer arrives and the weather gets warmer, babies are prone to heat rash. For many new parents, it is not yet possible to correctly distinguish between prickly heat and eczema. What is the difference between prickly heat and eczema? There is a big difference between prickly heat and eczema, from the causes, time of year, location and symptoms of prickly heat and eczema to distinguish them. 1, the cause is different prickly heat is caused by sweat hole obstruction, while the causes of eczema are many, often unstable. Common causes of eczema are: eating some such as fish, shrimp, eggs, beef, mutton, etc.; inhalation of certain pollen, such as dust mites, wool, etc.; focal infections such as tonsils, etc.; sunlight, heat, dryness, etc. in the living environment; chemical substances such as cosmetics, soap, etc.; indigestion, gastric dysfunction, metabolic disorders of new production, etc. It can be seen that prickly heat is a temporary disease, eczema is a chronic course. 2, the occurrence of seasonal differences prickly heat occurs in the summer, mostly seen in children. Eczema is not seasonal, and can occur throughout the year, regardless of gender and age. But often in the winter recurrence or intensification, there is a tendency to exude, chronic course, easy to recur. 3, the occurrence of different parts of the prickly heat more in the neck, chest and back, elbow fossa, popliteal fossa and other parts, children can occur in the head, forehead and other sweaty parts. Eczema can occur in any part of the body, mostly in the cheeks, forehead, arch of the eyebrows, behind the ears and other parts. 4, the symptoms are different prickly heat is actually a mild inflammation of the sweat glands, the skin is initially red, and then there are pinhead-sized red papules or papules, dense patches, some of which are purulent. Prickly heat is followed by severe itching, pain, and sometimes a hot burning pain, among other manifestations. Eczema is an inflammatory skin disease of the epidermis and superficial dermis that begins with red skin with pinhead-sized red papules. The manifestations are symmetrical, exudative, pruritic, polymorphic, and recurrent. Eczema is characterized by a diverse rash, symmetrical distribution, recurrent episodes of intense itching, and a tendency to become chronic.