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Cellulitis and the Infection Beneath the Skin
Cellulitis is a bacterial infection beneath the skin that causes redness, warmth, and swelling. Learn how to recognize it, who is at risk, and when it requires hospital treatment.
When a Cough Turns Into Pneumonia
Pneumonia is a lung infection that fills the air sacs with inflammatory fluid, making breathing harder. Learn how it presents, how it is treated, and when hospitalization is necessary.
When a Skin Infection Becomes an Abscess
An abscess is a pocket of infection trapped beneath the skin. Unlike simple cellulitis, most abscesses require incision and drainage because antibiotics alone often cannot reach the contained pus.
When a Fever and Stiff Neck Signal Meningitis
Meningitis is an infection of the protective covering around the brain and spinal cord. Learn how fever, stiff neck, and severe headache signal a condition that requires urgent treatment.
Pulmonary Embolism Symptoms, Causes, and Treatment
Pulmonary embolism occurs when a blood clot travels from the legs to the lungs and blocks blood flow. Learn the symptoms, risk factors, diagnostic tests, and how anticoagulation prevents dangerous complications.