What should you know about wrist arthrocentesis?

A clinician cleans the skin, identifies the joint space, and guides a needle into it. Fluid may be sent for analysis, including checks for infection, blood, or crystals that can help explain inflammation. Removing fluid can reduce pressure when a joint is visibly full, but it does not by itself treat every cause of wrist pain.

The wrist is different from larger joints, so the approach depends on the exact joint and the amount of fluid present. Tell the clinician about blood-thinning medicines, allergies, skin infection, and any immune problems before the procedure.

Follow the clinic’s instructions about medicines and eating or drinking. Keep the puncture site clean and follow advice about activity. Mild soreness can occur, but increasing pain, warmth, redness, drainage, or fever needs medical advice. Do not assume that aspiration replaces treatment for the underlying condition.

Learn more about [Joint Aspiration](/treatments/non-surgical-orthopedics/joint-aspiration/) and conditions where fluid analysis may help, including [Gout](/conditions/gout/), [Pseudogout](/conditions/pseudogout/), or [Knee Bursitis](/conditions/knee-bursitis/).

Contact the treating service promptly if the wrist becomes increasingly red, hot, swollen, or painful, or if you develop fever or feel unwell after aspiration. Seek urgent help for severe pain with rapidly worsening swelling, new weakness, or loss of feeling. A swollen joint with fever requires timely assessment because infection must be considered.

Why do you recommend aspiration for my wrist? Will the fluid be tested, and when will results be available? Which medicines should I pause or continue? How should I protect the puncture site? What symptoms after the procedure require immediate contact?