Trigger Finger: Injection or Surgery?
By Mr Gavin Schaller FRCS(Tr&Orth) | Consultant Hand & Wrist Surgeon | Reviewed August 2026
In short: A corticosteroid injection is usually the first treatment for trigger finger and settles symptoms in roughly 60 to 90 percent of people, though the problem can return over the following year. Surgery — trigger finger release — divides the tight pulley through a small incision and gives the most durable result, with recurrence uncommon. Injection suits recent or mild cases and those who prefer to avoid an operation. Surgery suits fingers that lock persistently, that have failed one or two injections or that will not straighten.
What is trigger finger?
Trigger finger is a condition in which a finger or thumb catches, clicks or locks as it bends and straightens. The tendons that bend the fingers run through a series of tunnels called pulleys. When the first of these pulleys, the A1 pulley, thickens, or a nodule forms on the tendon, the tendon no longer glides smoothly and snags as it passes through — producing the catching or locking that gives the condition its name.
Trigger finger most often affects the thumb, ring finger and middle finger. It is more common in people over 40, in women, and in those with diabetes. The NHS describes it as a common and treatable hand condition. The choice for most patients is between a corticosteroid injection and a short operation.
How does a steroid injection for trigger finger work?
A corticosteroid injection treats trigger finger by reducing the inflammation and swelling around the tendon and pulley, allowing the tendon to glide freely again. The injection is placed around the tendon sheath at the base of the affected finger, takes a few minutes and is done in clinic without any need for theatre.
Success rate. A single injection settles symptoms in the region of 60 to 90 percent of people, with higher success in fingers that have triggered only recently and lower success in long-standing cases or in patients with diabetes.
How quickly it works. The effect usually builds over one to two weeks. If a first injection helps but the triggering returns, a second injection is reasonable.
The main limitation. The benefit can be temporary. A proportion of fingers begin to trigger again within a year, and repeated injections into the same finger become less effective over time and are generally limited to two or three.
What does trigger finger surgery involve?
Trigger finger surgery, called trigger finger release, divides the tight A1 pulley so the tendon can move freely, and it is the most durable treatment. The operation is a short day-case procedure carried out through a small incision in the palm at the base of the finger, usually under local anaesthetic so you are awake and comfortable.
Once the pulley is divided the finger stops catching immediately. The wound is closed with a stitch or two, and the hand is bandaged. Most people use the hand for light activities within a few days, and the stitches are removed at around two weeks. Recurrence after surgery is uncommon, which is the main advantage over injection.
Because trigger finger can occur alongside other hand conditions such as Dupuytren's contracture and carpal tunnel syndrome, the hand is assessed as a whole rather than the single triggering finger in isolation.
Injection or surgery — how is the choice made?
The choice between injection and surgery for trigger finger depends on how severe and long-standing the triggering is, whether previous injections have worked and what matters most to the patient. Neither is simply better; each suits different situations.
An injection is usually preferred when:
the finger has started triggering recently,
the triggering is mild or intermittent rather than constant locking,
the patient would like to avoid an operation if possible,
no previous injection has been tried in that finger.
Surgery is usually preferred when:
the finger locks frequently or will not straighten without help from the other hand,
one or two injections have already been tried and the triggering has returned,
symptoms have been present for a long time,
the patient wants the most durable, one-off solution.
For many people the sensible path is to try an injection first and to consider surgery if the problem persists or recurs. For a finger that is already locking firmly, moving to surgery earlier is often the more practical choice.
My approach to treating trigger finger
In my clinic I treat most new trigger fingers with a corticosteroid injection first, because it is quick, avoids an operation and works well for a large proportion of people. I explain at the outset that the injection may need repeating and that its effect may not be permanent, so that the plan is clear from the start.
When a finger has failed one or two injections, locks persistently or cannot be straightened, I recommend trigger finger release, because at that stage surgery offers a reliable and lasting result for a small procedure. Patients with diabetes are told that injections tend to work less predictably for them, which sometimes shifts the balance towards surgery sooner. The decision is always made together, matched to the individual finger and the individual patient.
From October 2026 I consult at London Sports Orthopaedics, 31 Old Broad Street and operate at London Bridge Hospital, as well as Spire Bushey and Pinehill Hospital in Hertfordshire. To discuss which option fits your hand, you are welcome to book a consultation.
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Frequently asked questions about trigger finger treatment
Is injection or surgery better for trigger finger? Neither is simply better — they suit different situations. A corticosteroid injection is quick, avoids an operation and settles most recent or mild trigger fingers, but the problem can return. Surgery divides the tight pulley and gives the most durable result, with recurrence uncommon. Injection is a sensible first step; surgery suits fingers that lock persistently or that have failed one or two injections.
How successful is a steroid injection for trigger finger? A single corticosteroid injection settles trigger finger in roughly 60 to 90 percent of people, with the best results in fingers that have triggered only recently. Success is lower in long-standing cases and in people with diabetes. If a first injection helps but the triggering returns, a second injection is reasonable, though repeated injections in the same finger become less effective.
How many injections can you have for trigger finger? Most hand surgeons limit corticosteroid injections to around two or three in a single finger. Each injection tends to be less effective than the last, and repeated injections carry a small risk to the tendon and surrounding tissues. If a finger continues to trigger after one or two injections, surgery is usually the more reliable next step rather than further injections.
Does trigger finger surgery cure it permanently? Trigger finger surgery is usually a permanent cure for the treated finger, because dividing the A1 pulley removes the cause of the catching. Recurrence in the same finger is uncommon. Other fingers can develop trigger finger separately over time, particularly in people prone to the condition, but each is treated on its own merits.
Is trigger finger release surgery painful? Trigger finger release is carried out under local anaesthetic, so no pain is felt during the short procedure. Afterwards there is usually mild soreness in the palm for a few days, controlled with simple pain relief. The finger stops catching straight away. Full comfort in the palm, particularly with gripping, returns over two to three weeks as the small wound heals.
How long is the recovery after trigger finger surgery? Recovery after trigger finger release is quick. The finger moves freely immediately, light use of the hand is possible within a few days and the stitches come out at around two weeks. Some tenderness in the palm when gripping is normal for a few weeks. Desk-based work is often possible within days, while heavier manual work may need two to three weeks.
Will trigger finger go away without any treatment? A mild, recent trigger finger occasionally settles on its own, particularly if the hand is rested from the aggravating activity. Once a finger is catching or locking regularly, however, it rarely resolves without treatment, and a finger that locks and will not straighten needs assessment. Leaving a persistently locked finger can make it stiffer, so it is worth being seen.
Mr Gavin Schaller FRCS(Tr&Orth), Consultant Hand & Wrist Surgeon The Schaller Hand & Wrist Clinic About Mr Schaller
This article is for general information only and is not a substitute for a consultation with a qualified clinician. If you have concerns about your hand or wrist, please seek medical advice.
