Allergic Urticaria C0149526
Allergic urticaria causes itchy skin welts or hives due to allergic reactions to foods, medications, or other triggers. It can affect anyone and often appears suddenly. Antihistamines typically provide relief, and identifying triggers helps prevent future episodes.
Key facts at a glance
- ICD-10
- L98.9
- ICD-11
- EA00.0
- Body system
- dermatologic
- Severity
- mild
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(dermatologic)Mild symptoms that may not significantly impact daily life.
Frequency: Varies
Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Dietary counseling and physical activity plan
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Second-generation antihistamines
Oral antihistamines such as cetirizine, loratadine, or fexofenadine are first-line treatments that block histamine release and reduce urticaria symptoms. They are typically taken daily during symptomatic periods.
Trigger avoidance
Identification and elimination of known triggers such as specific foods, medications, temperature changes, or pressure on the skin. Maintaining a symptom diary can help identify patterns.
Additional treatment options
Topical corticosteroid preparations
Low to medium potency topical steroids applied to affected areas can reduce local inflammation and itching in more persistent lesions.
medicationStress management techniques
Stress can exacerbate urticaria; relaxation techniques, cognitive behavioral approaches, and adequate sleep may help reduce frequency and severity of outbreaks.
psychologicalNarrowband UVB phototherapy
For chronic urticaria unresponsive to standard treatments, controlled ultraviolet light exposure can modulate immune response and reduce symptom severity.
procedureWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Allergic Urticaria C0149526?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Zuberbier T, Aberer W, Asero R, et al. The EAACI/GA²LEN/EDF/WAO guideline for the definition, classification, diagnosis and management of urticaria. Allergy. 2022.
Sanchez-Borges M, Ansotegui IJ, Jimenez-Rodriguez TW. New horizons in the management of chronic urticaria. J Allergy Clin Immunol Pract. 2021.
Guillen-Aguilar A, Lopez-Gonzalez P, Garcia-Fernandez C. Efficacy of omalizumab in chronic spontaneous urticaria: A systematic review and meta-analysis. Ann Allergy Asthma Immunol. 2020.
Maurer M, Rosén K, Hsieh HJ, et al. Omalizumab for the treatment of chronic idiopathic or spontaneous urticaria. N Engl J Med. 2013.
Medication Comparisons
Compare medications used to treat Allergic Urticaria C0149526. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy