[Clinical profile of patients with chronic urticaria in a tertiary care hospital of the social security system in Costa Ricas].

Objective: To describe the medical and laboratory profile of the patients who have been diagnosed with chronic urticaria in the outpatient clinic of a tertiary care hospital of the social security system in Costa Rica.

Methods: All patients over 13 years of age who had been diagnosed with chronic urticaria between January 1st, 2014, and December 31st, 2018 were included. Variables of medical and laboratory data were statistically analyzed, and the treatment of the patients between their first and last medical consultation was compared.

Contact dermatitis: Clinical practice findings from a single tertiary referral hospital, a 4-Year retrospective study.

Background: It is estimated that 20% of the general population is sensitized to some kind of contact allergen. Contact dermatitis is one of the major occupational diseases worldwide. This disease has a higher prevalence in the female gender and is more frequently observed in the third or fourth decade of life.