Omalizumab as a treatment option for antihistamine-refractory aquagenic urticaria.

A teenage girl presented with symptoms of itching and hives on contact with water for 3 years. On specific provocative testing and ruling out underlying systemic conditions, she was diagnosed with aquagenic urticaria. Following failed attempts to control her symptoms with second-generation antihistamines, she was started on monthly subcutaneous injections of the monoclonal antibody, omalizumab.

Urticarial vasculitis: A Complication of SMZ-TMP therapy.

Recognize that delayed hypersensitivity reactions to sulfonamides may present as urticated plaques with hyperpigmentation and purpura for which a diagnosis of urticarial vasculitis should be considered.

Mycobacterium abscessus Prosthetic Joint Infections of the Knee.

complex prosthetic joint infections (PJI) of the knee are rare. We present a patient with , a nontuberculous mycobacterium (NTM), peri-prosthetic knee infection who presented with wound drainage followed by sepsis. The published peer-reviewed literature on knee PJIs due to this organism is reviewed to highlight its clinical presentation,symptomatology, microbiology, surgical interventions, antimicrobial regimens, and outcomes.

Utilization and timeliness of an inpatient penicillin allergy evaluation.

Background: A history of penicillin allergy is associated with an increased risk of nosocomial infections because patients are exposed to non-beta lactam antibiotics. Ruling out inaccurate penicillin allergy during hospitalization decreases prescription of beta lactam antibiotics. However, the utilization of penicillin allergy testing and timeliness in relation to initiation of antibiotics is not known.