Acute Idiopathic Urticaria C0578869
Sudden onset of hives without an identifiable trigger. Can affect anyone and often resolves within weeks. Antihistamines and other medications help control symptoms.
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
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Second-generation antihistamines
First-line treatment using non-sedating antihistamines to reduce histamine-mediated inflammation and itching. These are preferred over first-generation antihistamines due to fewer side effects.
Trigger avoidance
Identification and avoidance of known triggers such as temperature extremes, pressure on skin, certain foods, medications, and stress factors that may precipitate urticarial episodes.
Additional treatment options
First-generation antihistamines
Sedating antihistamines may be used for nighttime symptom relief when sleep is disrupted, though caution is advised due to anticholinergic effects and daytime drowsiness.
medicationCool compresses and topical care
Application of cool, moist compresses to affected areas to soothe itching and reduce inflammation. Use of fragrance-free, hypoallergenic moisturizers may provide additional relief.
complementarySymptom diary and follow-up
Regular documentation of outbreak frequency, severity, and potential triggers to guide management decisions and assess treatment efficacy over time.
monitoringWhen 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 Acute Idiopathic Urticaria C0578869?
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, Bernstein JA, Godse N. The EAACI/GA²LEN/EDF/WAO Guideline for the definition, classification, and management of urticaria. Allergy. 2022.
Sanchez-Borges M, Asero R, Ansotegui IJ. Diagnosis and treatment of urticaria and angioedema: a worldwide perspective. World Allergy Organ J. 2020.
Staubach P, Maurer M, Zuberbier T. A randomized, double-blind, placebo-controlled trial of omalizumab in chronic idiopathic urticaria. J Allergy Clin Immunol. 2019.
Liu X, Li L, Chen Q. Efficacy and safety of antihistamines for chronic urticaria: a systematic review and meta-analysis. Br J Dermatol. 2021.
Medication Comparisons
Compare medications used to treat Acute Idiopathic Urticaria C0578869. 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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy