What Causes Numbness in One Leg?
Numbness in one leg can be an unsettling experience. It often begins with a tingling sensation, a feeling of pins and needles, or a complete loss of sensation. While occasional numbness may not be concerning, recurrent numbness in one leg might signal an underlying health condition.
At King’s Spine Centre, we specialize in identifying and treating what causes numbness in one leg only from the root using advanced diagnostic tools and result-oriented approaches.
Understanding Numbness in One Leg
What Is Numbness in One Leg?
Numbness in one leg refers to a temporary or chronic loss of sensation in the leg. Based on the root cause, it can be accompanied by tingling, weakness, or pain. This symptom often results from issues affecting the nervous or circulatory systems and certain lifestyle factors.
What Causes Numbness in One Leg?
The cause of numbness in one leg vary and may range from temporary conditions to serious medical issues. Below are some of the most common culprits:
- Nerve Compression
Nerve compression is one of the main causes of numbness in one leg. Conditions such as sciatica or a herniated disc can exert pressure on nerves, resulting in a tingling or numbing sensation.
- Sciatica: The sciatic nerve runs through each leg from the lower back down. Compression or irritation of this nerve often causes numbness in only one leg. Other symptoms include shooting pain and muscle weakness.
- Herniated Disc: A bulging (slipped) disc in the spine can put pressure on the nerves, leading to numbness in the affected leg. This condition is often accompanied by lower back pain.
- Circulatory Problems
Restricted blood flow can also lead to numbness in one leg. Poor circulation deprives the tissues and nerves of oxygen, causing temporary or prolonged numbness.
- Peripheral Artery Disease (PAD): This condition can be caused due to narrowed arteries, reducing blood flow to the legs and causing numbness, cramping, or weakness.
- Deep Vein Thrombosis (DVT): A blood clot in a vein can obstruct circulation, resulting in leg numbness and swelling.
- Injury or Trauma
Physical injuries, such as fractures, dislocations and sprains can damage nerves or restrict blood flow to the leg ,leading to localized numbness.
- Medical Conditions
Several medical conditions are associated with numbness in one leg:
- Diabetes: Diabetic neuropathy damages the peripheral nerves, often starting in the feet or one leg.
- Multiple Sclerosis (MS): This neurological condition disrupts nerve signaling, causing numbness in one leg or other body areas.
- Lifestyle Factors
Certain habits or postures can contribute to temporary numbness:
- Prolonged Sitting or Standing: Staying in one position for too long can compress nerves or restrict blood flow.
- Vitamin Deficiencies: Low levels of essential vitamins, such as B12, can weaken nerves and cause numbness in one leg.
Symptoms Associated with Numbness in One Leg
Numbness in one leg is often accompanied by additional symptoms, including:
- Tingling or “pins and needles” sensations.
- Weakness or muscle fatigue in the leg.
- Constant pain or discomfort in the lower back, hip, or leg.
- Difficulty moving the leg or maintaining balance.
If you notice any of these symptoms, it’s critical to seek medical advice to prevent the condition from worsening.
How Is Numbness in One Leg Diagnosed?
At King’s Spine Centre, we use advanced diagnostic methods to determine the cause of numbness in one leg. Our process includes:
- Physical Examination: Testing reflexes, strength, and sensation to evaluate nerve function.
- Imaging Tests: MRIs, X-rays and CT scans help identify structural issues like herniated discs or compressed nerves.
- Electromyography (EMG): This test helps to measure the electrical activity in muscles, helping detect nerve damage.

Treatment Options for Numbness in One Leg
The treatment for numbness in one leg depends on the underlying cause. At King’s Spine Centre, we provide tailored solutions, including:
- Physical Therapy
- Targeted exercises to improve strength, flexibility, and nerve function.
- Medications
- Anti-inflammatory drugs, pain relievers, or medications for diabetes or MS.
- Minimally Invasive Procedures
- In cases of severe nerve compression, minimally invasive surgeries, such as microdiscectomy, can provide relief.
- Lifestyle Modifications
- Recommendations on posture, ergonomic adjustments, and dietary changes to prevent recurrence.
When Should You Seek Medical Attention?
While occasional numbness may not be serious, certain signs exhibit the need for immediate medical attention:
- Persistent numbness lasting more than a few days.
- Sudden onset of symptoms, particularly with pain or swelling.
- Weakness or difficulty walking.
Ignoring these symptoms could lead to worsening conditions or permanent nerve damage.

Visit King’s Spine Centre for Accurate Diagnosis - Know What Causes Numbness in One Leg
At King’s Spine Centre, our team of experts is dedicated to providing personalized, evidence-based care to help you regain sensation and mobility. Don’t let numbness in one leg disrupt your life.
Book your appointment today and experience the trusted care that makes us Dubai’s most trusted spine hospital!