Signs and symptoms of APD can present as urticaria, angioedema, erythema multiforme ... and extend to the outer part of the lips. What is the critical thinking and differential diagnosis that ...

Angioedema: Swelling that occurs in the deeper layers of the skin, often around the eyes and lips, and sometimes in the throat. Mast cells: A type of immune cell that plays a key role in allergic ...

Positive skin-prick test and/or in vitro radioallergosorbent test. Symptoms: itching of lips, angioedema, vomiting and abdominal cramps with or without symptoms in other targets (urticaria ...

This can be a strong indicator of poor health. Swollen lips are sometimes caused by Crohn's disease, which normally causes swelling in the bowel but can inflame the lymph ducts at any point in the ...