Urticaria pigmentosa is a rash, most common in children and young adults, characterized by reddish-brown, gray, or purple lesions. Learn about its causes, symptoms, diagnosis, treatment, and more.

A child with itchy maculopapular lesions across her body was subsequently diagnosed with cutaneous mastocytosis after systemic mastocytosis (SM) was ruled out. This case report was published in the IP ...

Diagnosing Measles Diagnosis of measles has historically been clinical and most likely to occur at the time of rash onset 9 because of the nonspecific prodromal symptoms.Differential diagnoses include ...

The patient's informed consent was obtained, and all procedures were conducted in accordance with the ethical principles of the Declaration of Helsinki. MSF may be a possible diagnosis in patients ...

Chemo rash is one of the most common side effects of cancer treatment. These rashes usually aren’t serious, but they can cause pain, itching, and other uncomfortable symptoms.

The first confirmed measles case of 2025 was reported in Illinois. Find out more about symptoms, treatment and prevention.

Presentation & Diagnosis The term morbilliform describes a rash that resembles measles, with erythematous, maculopapular lesions that may coalesce. 9 These lesions may be urticarial and appear ...

A maculopapular rash causes both flat and raised lesions on the skin. It can be an allergy, an infection, or a response to medication. Learn more.

The differential diagnosis of acanthosis nigricans on oral mucosa holds particular importance for patient prognosis. Similar oral changes may occur in inflammatory papillary hyperplasia and HPV ...

The risks, appearance, and consequences for drug-induced rashes often differ in patients with skin of color, further complicating an already challenging diagnosis.

A maculopapular rash causes areas of discolored skin (macules) with raised bumps (papules). Learn how to recognize it and common causes.