When Is Numbness or Tingling Serious?

Persistent numbness, tingling or weakness in the hand can sometimes be a sign of nerve compression and should be properly assessed.

Almost everyone has experienced pins and needles.

You sleep awkwardly on your arm, sit with your legs crossed for too long or lean on your elbow, and suddenly your hand feels numb.

Usually, the feeling disappears within a few minutes.

But what happens when it doesn't?

Persistent numbness, tingling or weakness in your hand shouldn't simply be dismissed as "poor circulation" or "getting older." In many cases, these symptoms are caused by pressure on a nerve, and the longer that pressure continues, the greater the risk of permanent damage.

According to Joint Vision orthopaedic surgeon Dr Jasan Dannaway, recognising when symptoms have moved beyond temporary pins and needles is one of the most important steps in protecting long-term hand function.

What Causes Numbness and Tingling?

Your nerves act like electrical cables, carrying messages between your brain and your muscles and skin.

When one of these nerves becomes compressed, those signals become disrupted.

That can lead to symptoms such as:

• Pins and needles
• Numbness
• Burning pain
• Weakness
• Loss of grip strength
• Clumsiness with your fingers

The most common example is carpal tunnel syndrome, where the median nerve is compressed as it passes through the wrist.

Other nerves around the elbow, forearm and hand can also become trapped, producing similar symptoms.

Temporary Pins and Needles vs Something More Serious

Occasional tingling after sleeping awkwardly or leaning on your elbow is completely normal.

The nerve has simply been compressed for a short period and recovers quickly.

The concern is when symptoms become persistent.

If numbness occurs every night…

If your fingers are constantly tingling…

If you're dropping objects…

Or if your hand is becoming weaker…

It's time to seek medical assessment.

One Symptom Should Never Be Ignored

For Dr Dannaway, one warning sign stands above the others.

Weakness.

"If someone develops weakness because of a nerve problem, they should be referred," he says. "Persistent sensory symptoms should also be assessed, but weakness tells us the nerve may be under significant pressure."

Weakness might show up as:

• Difficulty opening jars
• Frequently dropping objects
• Trouble gripping a steering wheel
• Struggling with buttons or zips
• Loss of thumb strength

These symptoms suggest the nerve isn't just irritated, it's beginning to lose function.

Why Waiting Can Be Risky

One of the biggest misconceptions is that nerve problems will always settle on their own.

Sometimes they do.

But prolonged compression can eventually damage the nerve itself.

"The longer severe nerve compression continues, the greater the risk that recovery won't be complete," Dr Dannaway explains.

That's why early assessment is important.

It doesn't necessarily mean surgery.

It means understanding exactly what's causing the problem before permanent damage occurs.

How Is Nerve Compression Diagnosed?

Diagnosis begins with a careful history and examination.

Often, the pattern of numbness and weakness provides important clues about which nerve is involved.

Additional investigations may include:

• Nerve conduction studies
• Ultrasound
• X-rays
• MRI in selected cases

These tests help confirm the diagnosis and determine how severe the compression has become.

Does Everyone Need Surgery?

No.

Many nerve compression problems improve with conservative treatment.

Depending on the condition, this may include:

• Activity modification
• Splinting
• Physiotherapy
• Anti-inflammatory treatment
• Cortisone injections

However, when symptoms are severe, or nerve testing shows significant compression, surgery may provide the best chance of preventing further damage.

Modern Surgery Is Often Simpler Than People Expect

For conditions such as carpal tunnel syndrome, surgery is typically a relatively straightforward procedure.

The operation involves releasing the pressure on the nerve so it can recover.

For many patients, the relief is remarkably quick.

"People who haven't slept properly for months because of burning pain in their hand often sleep through the night immediately after surgery," Dr Dannaway says. "Those are some of the most rewarding operations because patients notice the difference so quickly."

Recovery varies depending on how long the nerve has been compressed.

If treatment occurs before permanent damage develops, many patients experience excellent improvement.

Don't Ignore the Warning Signs

Numbness and tingling are easy symptoms to dismiss.

But persistent symptoms are your body's way of telling you something isn't right.

If you're experiencing ongoing numbness, burning, weakness or loss of hand function, it's worth having the problem properly assessed.

The earlier nerve compression is diagnosed, the more treatment options are available, and the better the chance of protecting long-term hand function.

Meet Dr Jasan Dannaway

About Dr Jasan Dannaway

Dr Jasan Dannaway is an orthopaedic surgeon specialising in disorders of the shoulder, elbow, wrist and hand. With a unique background as both a physiotherapist and surgeon, he provides comprehensive assessment and treatment for nerve compression disorders, arthritis, tendon injuries and other upper limb conditions. He consults at Joint Vision Orthopaedic Group in Wollongong.

Explore shoulder, elbow, wrist and hand care, or request a specialist appointment. A current GP referral is generally required.