Hives (Urticaria): Identifying Allergic Welts
Learn how to identify hives and when they signal a more serious allergic reaction.
For Informational Purposes Only
This content is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for any medical concerns.
Guide Overview & Important Ranges
Hives are red, itchy welts that result from a skin reaction. They can vary in size and appear and fade repeatedly as the reaction runs its course.
Under 24 Hours
Duration
Itch/Sting
Sensation
Raised Welts
Visual
If Swelling
Emergency?
Medical Deep Dive
Acute vs. Chronic Hives
Acute Hives: Last less than six weeks and are often caused by food, medication, or infection.
Chronic Hives: Last more than six weeks. The cause is often difficult to identify and may be autoimmune.
Angioedema: If hives occur with deep swelling around the eyes or lips, seek medical help immediately.
Rash Analysis
Let AI analyze the pattern of your welts.
Scientific References
This information is based on established clinical guidelines from authoritative sources.
Medically Reviewed for Accuracy
This content is aligned with established clinical guidelines from authoritative medical institutions, including MedlinePlus, the CDC, and the NHS.
BodyWellness AI uses a structured clinical logic framework to present this information clearly and safely.