Night splinting, nerve gliding exercises, and ergonomic changes are the most effective first-line treatments for carpal tunnel syndrome, with splinting alone improving symptoms like tingling and grip strength within 12 weeks. Most people can manage mild to moderate carpal tunnel without surgery, and when surgery is needed, it succeeds about 90% of the time.
Night Splinting: The Simplest Starting Point
A wrist splint worn at night keeps your wrist in a neutral position, preventing the flexed postures that compress the median nerve while you sleep. This is often the first thing recommended because it works, it’s cheap, and it carries zero risk. A 12-week course of night splinting significantly improves tingling and numbness even in people with advanced carpal tunnel syndrome, not just mild cases. Grip strength also tends to improve in people with milder symptoms.
You can find neutral-position wrist splints at most pharmacies for under $20. The key is wearing it consistently every night. Many people notice improvement within the first few weeks, but give it the full 12 weeks before deciding whether it’s enough on its own.
Nerve and Tendon Gliding Exercises
Nerve gliding exercises move the median nerve through a series of six positions, gently mobilizing it within the carpal tunnel to reduce friction and improve its ability to slide freely. The sequence starts with your elbow bent at 90 degrees, palm facing up. You begin with your wrist neutral and fingers curled into a fist, then progress through extending your fingers and thumb, extending your wrist, rotating your forearm palm-up, and finally using your other hand to gently stretch your thumb into extension.
The recommended routine is three times daily, 10 repetitions each session, holding each of the six positions for five seconds. These exercises should feel like a mild stretch, not pain. In clinical trials, this combination of nerve and tendon gliding significantly reduced symptoms in people with mild carpal tunnel syndrome. The exercises are most effective as part of a broader approach alongside splinting, not as a standalone treatment.
Workplace and Computer Ergonomics
If your symptoms flare during computer work, your hand position matters more than your equipment. Research measuring actual pressure inside the carpal tunnel found that different mouse designs produced essentially identical wrist pressures. What did change pressure significantly was the task itself: dragging and clicking generated about 12 mmHg more pressure on the median nerve compared to simply resting a hand on the mouse. Pointing tasks fell in between.
This means the most helpful ergonomic change is reducing repetitive gripping and clicking motions, not buying a new mouse. Practical adjustments include using keyboard shortcuts instead of dragging, switching to a trackpad or stylus periodically, keeping your wrists straight rather than bent upward, and taking short breaks every 20 to 30 minutes to shake out your hands. Position your keyboard and mouse at elbow height so your wrists stay neutral. If you work with tools that vibrate or require forceful gripping, padded gloves and frequent rest breaks help reduce cumulative pressure on the nerve.
Steroid Injections: Fast but Temporary
A corticosteroid injection into the carpal tunnel delivers a powerful anti-inflammatory directly to the compressed nerve. It can provide noticeable relief within days, but the benefit fades. A Cochrane review found injections provided greater symptom relief than placebo at one month, with some studies showing relief lasting up to three months or occasionally a year. Current orthopedic guidelines are clear, though: steroid injections do not provide long-term improvement.
In a five-year follow-up study, about 15% of people who received an injection needed surgery within the first year. By the five-year mark, that number rose to 33%. Injections work best as a bridge, either buying time while you try splinting and exercises, or confirming the diagnosis (if the injection helps, the problem is almost certainly carpal tunnel).
Anti-Inflammatory Foods and Vitamin B6
Because carpal tunnel involves inflammation around the median nerve, an anti-inflammatory diet can complement other treatments. Fatty fish like salmon and tuna provide omega-3 fatty acids that help reduce nerve pain and numbness. Colorful fruits and vegetables, particularly red bell peppers, tomatoes, and berries, are high in antioxidants that dampen systemic inflammation. Turmeric, walnuts, spinach, and pineapple (which contains bromelain, a natural anti-inflammatory enzyme) round out the list of foods most commonly recommended.
Vitamin B6 supplementation is more controversial. In a review of 14 supplementation trials, about half supported B6 for carpal tunnel and the other half were inconclusive. One large retrospective review of nearly 1,000 patients found that those who took 100 mg of B6 twice daily had a 68% rate of symptom improvement, compared to just 14% among those who didn’t take it. However, doses above 200 mg per day carry a risk of sensory nerve damage, which is the opposite of what you want. If you try B6, staying at or below 100 mg daily is the safer range. Getting B6 and B12 through foods like eggs, fish, and leafy greens avoids the dosing risk entirely.
When Surgery Makes Sense
If splinting, exercises, and injections haven’t provided lasting relief after several months, or if you’re experiencing constant numbness or muscle wasting at the base of your thumb, surgery becomes the next step. Carpal tunnel release is one of the most common and successful hand surgeries, with randomized trials reporting success rates up to 90%.
There are two approaches: open release (a small incision in the palm) and endoscopic release (one or two tiny incisions using a camera). Both cut the ligament pressing on the median nerve, and both produce equivalent long-term outcomes. The endoscopic approach does offer a measurably shorter recovery, with patients returning to work roughly one and a half weeks sooner. Scar pain is also significantly less common with the endoscopic technique. Complication rates are the same for both, and patient satisfaction is statistically identical regardless of method.
Recovery from either surgery typically involves some soreness and grip weakness for a few weeks. Most people can handle light tasks within days and return to full activity within a month or two, depending on how physically demanding their work is. The numbness and tingling that brought you to surgery usually improve quickly, though cases involving severe nerve compression before surgery may take longer to fully resolve.
Putting It All Together
The most effective approach layers several treatments at once. Start with a night splint and nerve gliding exercises three times daily. Adjust your workstation to keep wrists neutral and reduce repetitive clicking and gripping. Add anti-inflammatory foods to your diet. If symptoms persist after 8 to 12 weeks, a steroid injection can provide short-term relief while you decide on next steps. Surgery is highly effective when conservative measures aren’t enough, and choosing between open and endoscopic release comes down to preference and your surgeon’s experience, since long-term results are the same.