See a doctor to confirm the lump is a ganglion cyst
Avoid squeezing, puncturing, or hitting it
Rest the affected joint and limit repetitive motion
Use a splint if recommended by a clinician
Apply ice for short periods to reduce discomfort
Take over-the-counter pain relief if appropriate and safe for you
Ask a clinician about aspiration, where fluid is drained with a needle
Ask a clinician about steroid injection if advised
Consider surgical removal if the cyst is painful, recurrent, or limits movement
Follow all aftercare instructions after any procedure
Seek medical care promptly if the area becomes red, warm, very painful, or infected