What should you know about bursitis hip swelling?

A bursa is a thin, fluid-containing cushion between tissues that move against one another. When a bursa near the outer hip is irritated, pain with pressure or side-lying is often clearer than visible swelling because the structure lies beneath thicker tissue. A noticeable lump, broad puffiness, bruising, or swelling extending into the thigh can come from other sources, including a soft-tissue injury, a collection of fluid, or inflammation in nearby structures. A clinician may compare both sides and examine the skin, hip movement, tenderness, strength, and circulation before deciding whether imaging or another test is useful.

Note when the swelling appeared, whether it is changing, and whether a fall, injection, new exercise, or prolonged pressure preceded it. Reduce direct compression and movements that clearly worsen pain, but keep comfortable movement in the hip and knee unless an injury makes weight-bearing difficult. A cloth-wrapped cold pack can be used for short periods for soreness; do not place ice directly on the skin. Avoid pressing, puncturing, or trying to drain a swollen area yourself. If medicine is being considered, a pharmacist or clinician can check for interactions and health conditions that make anti-inflammatory treatment unsuitable.

Get same-day medical advice for swelling that is hot, red, rapidly enlarging, draining fluid, or accompanied by fever or feeling markedly unwell. Urgent evaluation is also appropriate after a significant injury, when the leg cannot take weight, or when severe pain is escalating. Call emergency services for sudden swelling of the leg with chest pain, faintness, or difficulty breathing. New swelling without these warning signs should still be examined if it persists, grows, becomes firm, or interferes with walking, because treatment depends on identifying what is swollen rather than assuming the bursa is responsible.

You could ask whether the swelling appears to involve a bursa, skin, muscle, tendon, or the hip joint; whether infection or injury has been excluded; and what changes should trigger reassessment. If aspiration is proposed, ask what fluid will be tested for and how the result could alter treatment. If rehabilitation is recommended, clarify which positions compress the sore area and how activity should be increased.