Please provide your email address to receive an email when new articles are posted on . A 10-year-old male presents to your clinic with a 3-day history of an asymptomatic expanding erythematous patch ... A 28-year-old woman presented with a pruritic, erythematous and serpiginous eruption on her lower back that appeared 1 week after returning from travel in Thailand (Figure 1).

Understanding the Context

The results of ... Erythema (Ancient Greek: ἐρύθημα, from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. [1] Erythema is skin redness or discoloration caused by dilated blood vessels near the skin's surface. Erythema can be due to infections, medications, or other underlying health conditions.

Key Insights

Erythema is seen in almost every skin rash. Erythema multiforme can cause symptoms that make you uncomfortable, especially when lesions form on your skin and become itchy. Your provider will recommend treatment to alleviate or lessen your symptoms, and they should go away within a few weeks. There are various types of erythema, of which erythema multiforme is the most common. Each type of erythema has a different cause, and therefore needs different treatments.

Final Thoughts

erythema, any abnormal redness of the skin. Erythema is caused by dilation and irritation of the superficial capillaries; the augmented flow of blood through them imparts a reddish hue to the skin. Skin redness, or erythema, is abnormal redness or flushing of the skin. It can occur alongside other symptoms like swelling and itchiness.