Numbness in The Sole of The Foot Symptom, Causes & Questions

Understand your numbness in the sole of the foot symptoms, including 7 causes & common questions.

Numbness In The Sole Of The Foot Symptom Checker

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Contents

  1. 7 Possible Causes
  2. Real-Life Stories
  3. Questions Your Doctor May Ask
  4. Statistics
  5. Related Articles

7 Possible Numbness In The Sole Of The Foot Causes

The list below shows results from the use of our quiz by Buoy users who experienced numbness in the sole of the foot. This list does not constitute medical advice and may not accurately represent what you have.

Morton neuroma

Morton neuroma, also called by the older name Morton's neuroma, is a thickening of fibrous tissue in the ball of the foot. This tissue encapsulates the nerve leading to the third and fourth toes. It is not actually a tumor of the nerve, as the name suggests.

The thickening is caused by years of trauma, irritation, and/or compression to the feet. High-heeled shoes, especially if narrow or tight, are a common cause. The condition is most often seen in women over age 45.

Symptoms include burning pain in the ball of the foot, especially with walking or running. The condition will not heal on its own and can lead to chronic foot pain.

Diagnosis is made through physical examination of the foot with simple range of motion exercises, and sometimes x-ray.

Treatment includes changing to better-fitting shoes that do not compress the nerve; using orthotics in the shoes to take more pressure off of the nerve; and in some cases the use of corticosteroid injections.

Rarity: Rare

Top Symptoms: foot numbness, pain in the sole of the foot, pain when touching the foot, pain in both feet, foot injury

Urgency: Self-treatment

Sciatica

Sciatica is a general term describing any shooting pain that begins at the spine and travels down the leg.

The most common cause is a herniated or "slipped" disc in the lower spine. This means some of the cushioning material inside the disc has been forced outward, pressing on a nerve root. Bony irregularities...

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Chronic idiopathic peripheral neuropathy

Peripheral neuropathy refers to the feeling of numbness, tingling, and pins-and-needles sensation in the feet. Idiopathic means the cause is not known, and chronic means the condition is ongoing without getting better or worse.

The condition is most often found in people over age 60. Idiopathic neuropathy has no known cause.

Symptoms include uncomfortable numbness and tingling in the feet; difficulty standing or walking due to pain and lack of normal sensitivity; and weakness and cramping in the muscles of the feet and ankles.

Peripheral neuropathy can greatly interfere with quality of life, so a medical provider should be seen in order to treat the symptoms and reduce the discomfort.

Diagnosis is made through physical examination; blood tests to rule out other conditions; and neurologic and muscle studies such as electromyography.

Treatment involves over-the-counter pain relievers; prescription pain relievers to manage more severe pain; physical therapy and safety measures to compensate for loss of sensation in the feet; and therapeutic footwear to help with balance and walking.

Rarity: Rare

Top Symptoms: distal numbness, muscle aches, joint stiffness, numbness on both sides of body, loss of muscle mass

Urgency: Primary care doctor

Numbness In The Sole Of The Foot Symptom Checker

Take a quiz to find out what might be causing your numbness in the sole of the foot

Folate (vitamin) deficiency

Folate is also called folic acid or vitamin B9. It is needed to create red blood cells, which carry oxygen throughout the body. A shortage of folate leads to a shortage of healthy red blood cells, which is also called anemia.

Folate deficiency can be caused by poor diet; alcohol use; some medications; diseases of the large intestine; and pregnancy, since the growing baby requires folate in larger amounts.

Symptoms include severe fatigue; loss of appetite; diarrhea; paleness; sore tongue; and irritability. The same symptoms can appear in other conditions, especially blood disorders.

Folate deficiency is also a cause of abnormal brain and spine development in a fetus. For these reasons, it is very important to see a medical provider if these symptoms occur.

Diagnosis is made through patient history, physical examination, blood tests, and sometimes digestive tract studies.

Treatment involves immediate supplementation of folate with injections, followed by folate and other vitamin and mineral tablets; improvement in diet; and treating any underlying digestive or blood disorder.

Rarity: Rare

Top Symptoms: fatigue, depressed mood, irritability, nausea or vomiting, diarrhea

Symptoms that never occur with folate (vitamin) deficiency: abdominal swelling

Urgency: Phone call or in-person visit

Low calcium level

Hypocalcemia is a condition where there is not enough calcium in the blood. Calcium is a mineral contained in the blood, which helps the heart and other muscles function properly, and is needed to maintain strong teeth and bones.

Rarity: Rare

Top Symptoms: fatigue, shortness of breath, irritability, general numbness, tingling foot

Urgency: Primary care doctor

Diabetic neuropathy

Diabetic neuropathy is nerve damage caused by longstanding or poorly controlled diabetes mellitus (DM). Other risk factors for developing diabetic neuropathy include obesity, smoking, cardiovascular disease, and abnormal lipid levels.

Diabetic neuropathy can present as a number ...

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Chemotherapy-induced nerve damage

Chemotherapy has many effects on the body. Some types of chemotherapy can cause irritation of the nerves in ones hands and feet, resulting in symptoms like pain, numbness or tingling.

Rarity: Uncommon

Top Symptoms: muscle aches, distal numbness, pain in both hands, pain in both feet, numbness

Urgency: Primary care doctor

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Questions Your Doctor May Ask About Numbness In The Sole Of The Foot

To diagnose this condition, your doctor would likely ask the following questions:

  • Have you ever been diagnosed with diabetes?
  • While lying down on a firm surface, keep both legs straight. Have a friend slowly raise one leg at a time by lifting your ankle into the air. Do you have pain in that leg before fully raising it to a perpendicular position? (This is called the straight leg test.)
  • Have you ever been diagnosed with a psychiatric issue, such as depression, bipolar, schizophrenia, or anxiety disorder?
  • What is your body mass?

If you've answered yes to one or more of these questions

Please take a quiz to find out what might be causing your numbness in the sole of the foot. These questions are also covered.

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Numbness In The Sole Of The Foot Symptom Checker Statistics

People who have experienced numbness in the sole of the foot have also experienced:

  • 6% Lower Back Pain
  • 5% Foot Pain
  • 5% Toe Numbness

People who have experienced numbness in the sole of the foot were most often matched with:

  • 66% Chronic Idiopathic Peripheral Neuropathy
  • 16% Morton Neuroma
  • 16% Sciatica

People who have experienced numbness in the sole of the foot had symptoms persist for:

  • 37% Less than a day
  • 27% Over a month
  • 19% Less than a week

Source: Aggregated and anonymized results from Buoy Assistant (a.k.a. the quiz).

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