How finger sprains happen
- A ball hitting the tip of the finger (jammed finger), common in basketball, volleyball and netball.
- Falling onto an outstretched hand.
- The finger catching in clothing, a bag strap or a door.
- Bending the finger backwards or sideways in contact sports.
- Skiing falls with the pole in the hand, injuring the thumb.
Symptoms of a sprained finger
- Pain and tenderness around one joint, most often the middle joint.
- Swelling and bruising.
- Stiffness and difficulty bending or straightening fully.
- Pain when gripping or pinching.
- In more severe sprains, the joint feels loose.
Sprain, fracture, dislocation or tendon injury?
- Fracture: severe pain, swelling, deformity, and pain on pressing the bone; needs an X-ray.
- Dislocation: the finger looks obviously out of place; do not pull it back yourself.
- Mallet finger: you cannot straighten the tip of the finger after a blow; needs a splint for 6 to 8 weeks.
- Volar plate injury: the middle joint bent backwards; may need a specific splint.
- Skier’s thumb: injury to the ligament on the inner side of the thumb, with weak pinch; needs assessment.
If in doubt, it is safer to have an X-ray, because untreated fractures and tendon injuries can leave permanent stiffness or deformity.
What to do straight away
- Remove rings before the finger swells.
- Apply ice wrapped in a cloth for 10 to 15 minutes several times a day.
- Keep the hand raised above the heart to reduce swelling.
- Rest the finger from gripping and sport.
- Take simple painkillers if appropriate.
Buddy taping
Buddy taping means taping the injured finger to the one next to it, with a small piece of padding between them to protect the skin. It supports the injured joint while still allowing movement. Tape above and below the injured joint, not over it, and replace the tape if it becomes wet or loose.
Buddy taping is usually used for 2 to 4 weeks, and during sport for a few weeks after that. People with diabetes or poor circulation should check the skin regularly.
Exercises to restore movement
- Gently bend and straighten the finger, 10 times, several times a day, once the first few days have passed.
- Make a soft fist, then a flat hand.
- Block the joints one at a time with the other hand and bend each joint separately.
- Squeeze a soft ball or putty as pain allows.
- Use warm water to ease stiffness before exercising.
Stiffness is the most common long-term problem after finger sprains, so early movement matters. See also hand tendonitis and thumb pain.
Healing time
- Mild sprain: 1 to 2 weeks.
- Moderate sprain: 3 to 6 weeks.
- Severe sprain or ligament tear: 6 weeks or more, sometimes needing a splint or surgery.
Some swelling and stiffness of the joint can persist for several months, particularly in the middle joint. This usually improves gradually with use.
When hand therapy helps
A hand physiotherapist or hand therapist can provide custom splints, manage swelling, restore movement and strength and plan a safe return to sport. Referral is helpful when the finger is still stiff after 2 to 3 weeks, after fractures and dislocations, and for tendon injuries.
Returning to sport and work
Most people can return to work and many sports within days to a few weeks, protecting the finger with buddy taping. Ball sports, climbing and martial arts load the finger joints heavily, so tape the finger for training and matches for 4 to 6 weeks after a moderate sprain.
Grip strength usually recovers gradually; a soft ball, putty or a towel wringing exercise helps. Pain that persists when gripping, or a joint that keeps giving way, should be reassessed because ligament tears sometimes need a splint for longer or, rarely, surgery.
When to get an X-ray or urgent care
- The finger is crooked, rotated or looks out of place.
- You cannot straighten the fingertip or bend the finger.
- Severe pain, swelling or pain directly over the bone.
- Numbness, coldness or a pale finger.
- A wound over the joint, or a bite.
- A thumb injury with weak pinch.
Key points to remember
- Most finger sprains heal with ice, buddy taping and early movement.
- Mild sprains take 1 to 2 weeks; moderate ones 3 to 6 weeks.
- Deformity, inability to straighten or severe pain need an X-ray.
- Stiffness is common, so keep the finger moving.
Questions about sprained fingers
These answers are general information and do not replace an examination or individual medical advice.
How do I know if my finger is sprained or broken?
A fracture is more likely with deformity, severe pain over the bone and marked swelling. Only an X-ray can confirm it.
Should I splint a sprained finger?
Buddy taping is usually enough. Some injuries, such as mallet finger, need a specific splint.
Why is my finger still swollen weeks later?
Swelling and stiffness can persist for months after a sprain and gradually improve.
Can I play sport with a sprained finger?
Often yes, with buddy taping, once pain allows and if there is no fracture.
What is a jammed finger?
An injury caused by a blow to the fingertip that compresses the joint, often a sprain.
Should I pull a jammed finger?
No. Pulling can make an injury worse.
How long should I buddy tape a sprained finger?
Usually 2 to 4 weeks, and during sport for a few weeks after that.
Sources
This guide is for general information and does not replace medical advice. How a problem is diagnosed and treated depends on your examination and medical history. If you think you have an emergency, contact your local emergency services.