Rest the affected finger and avoid repetitive gripping or forceful hand use
Wear a finger splint, especially at night, to keep the finger straight
Apply ice for 10 to 15 minutes at a time to reduce pain and swelling
Use over-the-counter anti-inflammatory medicine if safe for you
Do gentle finger stretching and range-of-motion exercises
Modify activities to reduce strain on the tendon
Try hand therapy or occupational therapy
Get a corticosteroid injection from a healthcare professional
Consider surgery if symptoms are severe or do not improve with other treatments
See a doctor if the finger locks, pain worsens, or function is limited