Eczema is diagnosed clinically based on history and a thorough physical examination of the skin. There are no laboratory or blood tests which can diagnose eczema. Laboratory tests may be done to identify an allergen or diagnose the cause of infection.
Medical history and examination: The doctor may ask question such as:
On examination the doctor will note:
Inform your doctor if the skin condition is affecting your quality of life. For example, it disturbs sleep or limits your daily activities.
Your doctor will work with you to identify factors which make your eczema worse. This may include keeping a diary about your diet and lifestyle to see if any obvious factors may be contributing to your symptoms (such as if some soaps or shampoos make the eczema worse). A food diary involves noting down whatever you eat and also making a record of any eczema flare-ups that you have. This can help your doctor to establish if there are any patterns between your symptoms and what you eat.