Family, personal, and social factors associated with the non-use of contraceptive methods during the first sexual experience in adolescent women.

Unplanned pregnancy and sexually transmitted infections (STIs) in adolescents continue to be major health problems around the world. They are associated with sex that occurs without contraceptive protection. We determined the relationship of family, personal, and social factors with the non-use of any contraceptive method during the first sexual experience in 1409 adolescent women.

[Clinical experience with omalizumab in patients with severe asthma. Real-world data].

Background: Omalizumab is a monoclonal antibody that is prescribed in a stepwise addition regimen for the treatment of severe asthma.

Objective: To report the experience of patients with severe asthma who were given omalizumab in accordance with international guides, in a context of real-world data.

Methods: Open, analytical, cross-sectional, retrospective, observational clinical study with real-world data.

[Antihistamines for the treatment of urticaria in Mexico].

There are four types of histamine receptors. Allergic symptoms, especially those in rhinoconjunctivitis and urticaria, are mainly caused by activation of histamine receptor 1 (H1). Consequently, oral H1-antihistamines form and integral part of the treatment of these diseases.

[Mexican guidelines on the diagnosis and treatment of urticaria].

Background: Urticaria is a disease that a fifth of the population shallsuffer once in a lifetime. Recent clinical guidelines have proposed some fundamental changes in the diagnosis and treatment of urticaria, making the development of a national, multidisciplinary guideline, with wide acceptability among different professional groups -both specialists and primary health care workers-, necessary in Mexico.

Material And Method: Internationally recognized tools for guidelinedevelopment were used.

[Pidotimod in recurring respiratory infection in children with allergic rhinitis, asthma, or both conditions].

Objective: To demonstrate a decrease in the number of recurrent breathing infections in patients with allergic rhinitis and asthma, by means of the use of Pidotimod (a immunomodulator).

Material And Methods: Patients of both sexes, 2 to 16 years old, that had at least four episodes of acute respiratory infection, during the previous six months, administering a dose of 400 mg of pidotimod later, twice a day.

Results: It was identified a correlation between the number of cases of asthma and those of acute respiratory infection of r = 0.