Pityriasis Alba

Share this subject

Everything You Need to Know About Pityriasis Alba.

What is Pityriasis Alba?

Pityriasis alba is a skin condition characterized by dry, white patches. It is considered a type of eczema and most commonly affects children and adolescents.

What Are the Symptoms of Pityriasis Alba?

The symptoms of pityriasis alba include:

  • A red, scaly patch with an oval or circular shape, usually appearing on the face, upper arms, or trunk; afterward, the patch turns white due to reduced melanin pigmentation.

What Causes Pityriasis Alba?

The exact cause of pityriasis alba is unknown, but it may be associated with mild eczema-related inflammation.

How Is It Diagnosed?

The doctor will take a medical history and perform a physical examination, and may request additional tests if necessary, such as:

  • Fungal testing.
  • Skin biopsy.

How Is Pityriasis Alba Treated?

Treatment is usually supportive and may include:

  • Moisturizers for the skin.
  • Corticosteroid creams or ointments.
  • Topical anti-inflammatory medications.
  • Phototherapy
  • Laser therapy.

How Can Pityriasis Alba Be Prevented?

There is no known method to prevent pityriasis alba. However, for those affected, it is recommended to:

  • Apply sunscreen when going outdoors to prevent sunburn.
  • Keep the skin well-moisturized to avoid dryness.

What Are the Complications of Pityriasis Alba?

  • Sunburn or discoloration of the white patches when exposed to sunlight

When Should You See a Doctor?

You should consult a doctor if you notice white patches on the skin.

Frequently Asked Questions:

My child has a white patch. Does this mean they have pityriasis alba?
Not necessarily. White patches do not always indicate pityriasis alba. Other causes include fungal infections, vitiligo, and more. Therefore, it is important to see a doctor for proper diagnosis and treatment.

Related Subjects

Warts

On this page, you will find everything you need to know about warts What Are Warts? Warts are small, benign

Venous Thromboembolism (VTE)

On this page, you will find everything you are looking for, concerning venous thromboembolism. What Is Venous Thromboembolism? Venous thromboembolism

Sun-Induced Dermatitis

(Diseases) On this page, you will find everything you need to know about sun-induced dermatitis (sun allergy). What is Sun-Induced