| Autor: |
González-Díaz SN; Center of Allergy and Clinical Immunology, University Hospital Dr. José Eleuterio González, Monterrey, Nuevo León, Mexico. sgonzalezdiaz@yahoo.com., Fuentes-Lara EI; Center of Allergy and Clinical Immunology, University Hospital Dr. José Eleuterio González, Monterrey, Nuevo León, Mexico. draelmafuentes@gmail.com., De Lira-Quezada CE; Center of Allergy and Clinical Immunology, University Hospital Dr. José Eleuterio González, Monterrey, Nuevo León, Mexico. ce.dlira@gmail.com., Villarreal-González RV; Center of Allergy and Clinical Immunology, University Hospital Dr. José Eleuterio González, Monterrey, Nuevo León, Mexico. rosalauravillarrealg@gmail.com., De la Cruz-Cruz RA; Center of Allergy and Clinical Immunology, University Hospital Dr. José Eleuterio González, Monterrey, Nuevo León, Mexico. rodrigo.delacruz.cruz@gmail.com. |
| Abstrakt: |
Cold-induced urticaria is considered as a subtype of physical urticaria and also the second most common type of chronic inducible urticaria. Contact with cold surfaces or the environment may cause systemic reactions, especially during aquatic activities. A 22-year-old female patient with a history of sulfa drug allergy began her condition 2 years before the presence of generalized pruritic erythema with hives as well as 2 episodes that had been characterized by facial angioedema and syncope 3-5 minutes after being in contact with cold air or surfaces. On both events, she had just been outdoors on a cold, winter day. She was suspected to have cold-induced urticaria; thereby she had a positive reaction to the ice cube test. Due to the previous episodes of anaphylaxis, the patient was trained to administer intramuscular epinephrine. After 4 weeks of starting the treatment with antihistamines, no new events or injuries had occurred. Cold-induced urticaria may cause life-threatening reactions. The rate of anaphylaxis in these patients is low however, this case is presented to inform the importance of identifying this type of systemic reaction and preventing strategies. |
