See a doctor to confirm it is a ganglion cyst
Rest the affected joint
Avoid repeated pressure or strain on the area
Use a wrist brace or splint if recommended
Apply ice for short periods to reduce discomfort
Take over-the-counter pain relievers if safe for you
Do not try to pop, puncture, or drain it yourself
Have a clinician aspirate the cyst if appropriate
Consider surgical removal if it is painful, persistent, or limits movement
Follow post-treatment instructions to reduce recurrence