Importance Limited pharmaceutical options exist for preexposure prophylaxis of COVID-19 beyond vaccination. Azelastine, an antihistamine nasal spray used for decades to treat allergic rhinitis, has in vitro antiviral activity against respiratory viruses, including SARS-CoV-2. Objective To determine the efficacy and safety of…
Importance Heart failure with preserved ejection fraction (HFpEF) is a major cause of hospitalization, often occurring in patients with cardiometabolic comorbidities such as obesity and type 2 diabetes. Although early trials of semaglutide and tirzepatide have shown promising results in improving…
This JAMA Insights discusses the epidemiology, diagnosis, and treatment of recurrent Clostridioides difficile infections.
This case report describes a patient who presented with a 2-day history of dizziness, unsteady gait, and confusion. In the past month, he had experienced 2 cerebral infarctions and fungal infection in his left armpit.
This Clinical Insights describes updated pneumococcal conjugate vaccines and their recommended use in adults.
This Teachable Moment describes a 56-year-old woman with a concern for a food allergy and bilateral leg muscle spasms.
Importance Screening chest computed tomography (CT) scans reduce lung cancer mortality in high-risk individuals, but less than 20% of eligible individuals are screened in the US. Objective To determine whether a direct-to-patient digital health program increases lung cancer screening. Design, Setting, and…
Lung cancer in nonsmoking individuals (defined as people who have smoked fewer than 100 cigarettes in their lifetime) accounts for 15% to 20% of all lung cancer cases worldwide. In the US, the annual incidence of lung cancer in nonsmoking…
This JAMA Insights discusses risk factors for, assessment, and management of postpartum hemorrhage.
This case report describes a woman in her 40s with bilateral periorbital erythema, sharply demarcated pitted erosions, and dizziness and headache who was diagnosed with pemphigus foliaceus.
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