Allergy & Immunology

Angioedema is a painless, non-pitting, localized edema that occurs within the deep layers of the skin. There are known genetic differences that influence angioedema, and the attacks have been linked to sex...

A 63-year-old man with a medical history significant for Bell palsy, non-ST-elevation myocardial infarction, coronary artery disease, hypertension, hyperlipidemia, type 2 diabetes, and hepatitis C virus...

A 28-year-old man was referred to the allergy/immunology clinic by his primary care physician for recent episodes of wheezing and an elevated blood count.

A 37-year-old woman presented to a dermatology clinic for evaluation of recurrent, pruritic, inflamed plaques on her neck, thigh, back, and shoulder. The lesions had flared at irregular sporadic intervals...

Allergic conditions are the most common life-altering, and sometimes life-threatening, disorders affecting millions of individuals worldwide. Oftentimes, people with allergies and their health care...

A 10-year-old boy presented with his parents with progressive swelling and erythema of his right eye after using a virtual reality headset. Within 30 to 45 minutes of taking off his new virtual reality...

A woman in her late 50s was seen at a dermatology practice for consultation and patch testing. She reported that a rash had been present for more than 2 years. It had initially started on her face and then...

A woman in her 50s presented with a rash that had been present for 10 years. The rash had begun on her toes and then had spread to involve both feet and both hands.

A 20-year-old woman presented with a recurrent pruritic rash on her buttocks and upper posterior thighs. The rash had appeared on 5 occasions, all in association with attendance at collegiate American...