Stridor is a high-pitched squeaking or whistling sound, usually due to an obstruction in an airway. Stridor is a sign of an underlying health issue rather than a diagnosis or disease in itself. This ...

Anaphylaxis is a serious, potentially life-threatening allergic reaction that can affect several organ systems in the body and may threaten breathing and blood circulation. The most common causes of ...

Anaphylaxis is a serious, potentially fatal allergic reaction. It can happen within seconds to minutes of exposure to an allergen, like an insect sting, medications, and food. When the immune system ...