Symptom Guide
Numbness and Tingling in the Hands
It usually wakes you at night, and shaking the hand helps. Most causes are treatable and not dangerous. A few involve the nerves in your neck, and one of those should not be left.
Get assessed promptly if any of this is happening
These features suggest the problem may involve the spinal cord in the neck rather than a nerve in the arm, and that changes the urgency:
- Weakness in the hand, or muscle that looks wasted or thinner than the other side
- Dropping things, or new difficulty with buttons, zips, keys or handwriting
- Feeling unsteady on your feet, or a change in the way you walk
- Numbness or tingling in both hands, particularly with symptoms in the legs too
- Any change in bladder or bowel control
If symptoms came on suddenly, or affect one whole side of the body, or arrive with facial droop or difficulty speaking, call 911. That pattern needs emergency assessment, not an appointment.
Which fingers, and what that suggests
Nerves supply predictable territories, so the pattern of numbness is genuinely informative. This is a guide to what a clinician will be thinking, not a way to diagnose yourself.
| Pattern | Often points towards | Typical features |
|---|---|---|
| Thumb, index, middle, half the ring finger | Median nerve at the wrist, carpal tunnel syndrome | Worse at night, wakes you, shaking the hand helps, often both hands, worse gripping or driving |
| Little finger and half the ring finger | Ulnar nerve at the elbow, cubital tunnel | Worse leaning on the elbow or with the elbow bent for long periods, sometimes weakness of grip |
| A band from the neck or shoulder down the arm into particular fingers | A nerve root pinched in the neck, cervical radiculopathy | Often neck or shoulder pain too, changes with neck position, may come with arm weakness |
| Both hands and both feet, spreading gradually | Peripheral neuropathy | Often described as gloves and socks, many possible underlying causes, usually needs medical rather than surgical work-up |
| Both hands, plus clumsiness and walking trouble | Pressure on the spinal cord in the neck, cervical myelopathy | The pattern in the red box above. Needs prompt assessment |
The cause a neurosurgeon is there to rule out
Age-related change in the cervical spine can narrow the space around the spinal cord. When that happens the symptoms are not only pain. Hands become clumsy, fine tasks get harder, walking feels less certain, and both sides are often involved. It tends to develop gradually, which is exactly why it gets put down to getting older.
This is worth identifying, because the aim of treatment is to protect the function you still have. That is a different conversation from treating carpal tunnel syndrome, and it is the reason the walking and clumsiness questions get asked.
Cervical spondylosis
Age-related wear in the neck, and how it can affect the nerves and the spinal cord.
Degenerative disc disease
How discs change over time and what that means for the nerves nearby.
When it is worth a specialist opinion
- There is weakness, not just numbness. Numbness is uncomfortable. Weakness is a different signal.
- It is not settling. Symptoms that have not improved with splinting, activity changes or physical therapy deserve a look at why.
- There is neck pain with it. Particularly if the arm symptoms change when you move your neck.
- Something showed up on a scan. If an MRI mentions narrowing, a disc, or change in the cord, it is reasonable to have a surgeon explain what it means for you.
- You were told it is carpal tunnel but treatment has not helped. That is worth revisiting rather than repeating.
You do not need a referral to ask. Most patients can request an appointment directly.
Common questions
Why are my hands numb at night but fine during the day?
Night-time numbness that wakes you and eases when you shake the hand is a classic pattern for carpal tunnel syndrome, where the median nerve is compressed at the wrist. Many people sleep with the wrist bent, which increases the pressure.
What does the pattern of affected fingers tell you?
Broadly: the thumb, index, middle and half the ring finger point towards the median nerve at the wrist. The little finger and the other half of the ring finger point towards the ulnar nerve at the elbow. A band of numbness running from the neck down the arm into particular fingers points towards a nerve root in the neck.
When does hand numbness mean something serious?
When it comes with weakness or visible wasting of the hand muscles, when you are dropping things or struggling with buttons and keys, when your walking has changed or you feel unsteady, or when both hands and the legs are involved. Those features can indicate pressure on the spinal cord in the neck and need prompt assessment.
Do I need surgery for numb hands?
Often not. Many people improve with splinting, activity changes, physical therapy or treatment of an underlying cause. Surgery is considered when there is nerve compression that is not settling, or when there is weakness or a risk to function.
Do I need a referral to have this assessed?
Not usually. Most patients can request an appointment directly. Whether a referral is required depends on your insurance plan, and if one is required in your case we will let you know and guide you through it.
This page is general information written by a neurosurgical practice to help you decide whether to seek assessment. It is not a diagnosis and it is not a substitute for being examined. If you are worried about your symptoms, speak to a clinician.
Get the numbness explained
Bring any imaging and nerve studies you have had. Dr. Khan will examine you, review the scans directly, and tell you what is causing it and whether anything needs doing.
You do not need a referral to ask. Do I need a referral? · Institute of General and Endovascular Neurosurgery, 1187 W Bristol Rd, Suite 1, Flint, Michigan 48507. Monday to Friday, 8:00am to 6:00pm.