Recurrence of chronic urticaria caused by reinfection by Helicobacter pylori.

Objective: To describe a case of chronic urticaria in a female adolescent associated with Helicobacter pylori infection, confirmed in two different occasions, with improvement of urticaria after the antibacterial treatment.

Case Description: A 13-year-old female patient sought medical care with chronic urticaria and epigastric pain unresponsive to medical treatment. Laboratorial tests for further investigation were normal except for the upper gastrointestinal endoscopy with biopsy showing moderate chronic active gastritis associated with Helicobacter pylori.

Allergy to cow's milk proteins: what contribution does hypersensitivity in skin tests have to this diagnosis?

Food allergy is an immunologically mediated adverse reaction to food protein. Cow's milk protein allergy (CMPA) is the most frequent type and is the one that is most difficult to diagnose. This study had the objective of analyzing the accuracy of hypersensitivity and specific IgE skin tests among children with CMPA and predominantly gastrointestinal clinical manifestations.

[Prevalence of pathologic gastroesophageal reflux in regurgitant infants].

Objective: To determine the prevalence of pathologic gastroesophageal reflux in a group of regurgitant infants attended at Helena Moura Hospital, Recife, State of Pernambuco, Brazil. The clinical criteria employed were based on Rome II criteria.

Method: The study design was transversal.