
How Are Lumbar Puncture Headaches Prevented and Treated?
Quick Summary What Is a Lumbar Puncture Headache? A lumbar puncture headache—commonly referred to as a spinal headache or post–lumbar puncture headache—is a positional headache
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Quick Summary What Is a Lumbar Puncture Headache? A lumbar puncture headache—commonly referred to as a spinal headache or post–lumbar puncture headache—is a positional headache

Overview Appendicitis is a medical condition in which the appendix becomes inflamed and infected. In children, it is a medical emergency that requires prompt evaluation

Overview Knee buckling—often described as the knee “giving way”—is a symptom of knee instability in which the knee suddenly feels weak and may fail to

Overview A foot bruise occurs when small blood vessels are damaged and leak blood into surrounding tissue, leading to visible discoloration. Foot bruises are often

Quick Summary Introduction Rib pain that appears or worsens when coughing is commonly related to problems in the chest wall, particularly the muscles between the

Key Points What Is Strep Throat? Strep throat (streptococcal pharyngitis) is an infection that affects the throat and tonsils. The bacteria cause inflammation, leading to

Introduction Headaches include several different conditions with distinct causes, symptoms, and levels of severity. Some headaches are primary disorders—such as migraine, tension headache, or cluster

Appendicitis is the most common non-obstetric surgical condition encountered during pregnancy. Diagnosis can be challenging because normal anatomical and physiological changes of pregnancy may alter

Key Points at a Glance Introduction An allergic reaction rash is a skin change that occurs when the immune system reacts to a substance it

Overview Arm weakness is a reduction in muscle strength that makes it harder to lift, hold, or control one or both arms. It is distinct