Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/5/2025

Treatment of Hives After Stopping Quetiapine

Initial Assessment and Management

  • The British Journal of Dermatology recommends evaluating the severity of the hives, which can be classified as mild, moderate, or severe, to determine the appropriate treatment approach 1
  • The severity of hives can be evaluated based on the number of hives, with mild being less than 3 hives, moderate being 3-10 hives, and severe being generalized involvement 2

First-Line Treatment

  • The British Journal of Dermatology suggests beginning treatment with a non-sedating H1 antihistamine, such as cetirizine, desloratadine, fexofenadine, levocetirizine, or loratadine, to alleviate symptoms 1
  • Cooling antipruritic lotions, such as calamine or 1% menthol in aqueous cream, can provide symptomatic relief for patients with hives 1
  • Avoiding potential aggravating factors, such as overheating, stress, and alcohol, is recommended to prevent exacerbation of symptoms 1

For Inadequate Response

  • Increasing the dose of the non-sedating H1 antihistamine above the licensed recommendation may be considered when benefits outweigh risks, according to the British Journal of Dermatology 1
  • Adding a sedating antihistamine at night, such as chlorphenamine 4-12 mg or hydroxyzine 10-50 mg, may help with sleep disruption in patients with hives 1
  • The addition of an H2 antihistamine may sometimes provide better control than an H1 antihistamine alone, as suggested by the British Journal of Dermatology 1

For Severe or Refractory Cases

  • Short courses of oral corticosteroids, such as prednisolone, may be necessary for severe cases of hives, according to Praxis Medical Insights 2
  • Adding montelukast, an antileukotriene, may be considered for refractory cases of hives, as recommended by Praxis Medical Insights 2

Prognosis and Follow-up

  • Schedule follow-up visits to assess treatment response, as recommended by Praxis Medical Insights 2
  • Patients should be advised that recurrent urticaria may occur over 1-2 days following the initial episode, according to Praxis Medical Insights 2

REFERENCES

2

Urticaria Management and Treatment [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025