Urticaria (Hives)

Overview

Urticaria is transient wheals due to mast cell degranulation, acute (<6w) or chronic (>6w).

Symptoms

• •Wheals
• •Itch
• •Angioedema (30%)
• •Resolves <24h

Stages

Diagnosis

• ✓Clinical
• ✓CBC, CRP (chronic)
• ✓Allergy testing (if triggered)

Treatments

• →Non-sedating antihistamines
• →Omalizumab (chronic)
• →Avoid triggers

Risk Factors