Arm numbness: 8 causes and when to see a doctor

numbness in the arm has many possible causes that range from meek to severe. Simply sitting or sleeping in the wrong position can restrict the blood flow or put overindulgence imperativeness on a nerve, making the arm go numb. however, unexplained arm numbness may indicate an fundamental health condition, such as steel damage, a herniated disk, or cardiovascular disease. hard causes of arm numbness include heart attacks and strokes. In this article, we discuss eight possible causes of weapon numbness and their treatments.

1. Poor circulation

a woman experiencing arm numbness share on PinterestA person may experience arm numbness because of poor circulation. Blocked or compressed blood vessels can interfere with blood circulation to and from the heart. Poor circulation can cause apathy and tingling in the arms, hands, legs, and feet. Reduced blood run can cause early symptoms, such as :

  • cold hands and feet
  • extremely pale or blue-tinted skin
  • swelling in the legs, ankles, and feet
  • fatigue
  • joint or muscle pain

Poor circulation is not a medical condition in itself, but it can happen if a person does not move adequate during the day. It can besides be a symptom of early conditions, including those below :

  • Atherosclerosis occurs when cholesterol deposits, called plaque, accumulate in the blood vessels. Plaque buildups can cause the arteries to harden and narrow, restricting blood flow.
  • Blood clots form when coagulated blood clumps together inside a blood vessel. Blood clots can create partial or complete blockages inside a blood vessel.
  • Peripheral artery disease is a type of atherosclerosis in which plaque accumulates in the arteries in the arms and legs.
  • Diabetes can affect the circulatory system because high levels of blood sugar lead to plaque formation and blood vessel damage.

discussion for poor circulation depends on the underlying campaign. Wearing compression wraps can help reduce swelling in the arm. exert can besides help improve circulation. People who have boastfully rake clots or respective obstruct arteries may require operating room. Doctors can prescribe medications to treat implicit in health conditions that may contribute to hapless circulation .

2. Peripheral neuropathy

Peripheral neuropathy includes multiple conditions that damage the peripheral anxious arrangement ( PNS ). The PNS carries information between the cardinal nervous organization — the brain and spinal anesthesia cord — and the respite of the body. Peripheral neuropathy causes a scope of symptoms, depending on which nerves it affects. In general, people who have peripheral neuropathy may experience :

  • numbness or tingling in the arms, hands, legs, or feet
  • heightened sensitivity to touch and temperature changes
  • muscle weakness
  • uncontrollable muscle twitching
  • muscle wasting, or loss of muscle
  • excessive sweating
  • feeling hot or cold

several conditions can contribute to peripheral neuropathy, including :

  • diabetes
  • autoimmune diseases
  • injuries that cause broken or dislocated bones
  • atherosclerosis, vasculitis, and other types of cardiovascular disease
  • hormonal imbalances
  • kidney or liver disease
  • a vitamin B-12 deficiency
  • certain types of cancer and cancer treatments

3. Thoracic outlet syndrome

Thoracic wall socket syndrome ( TOS ) refers to a group of conditions that compress the nerves and blood vessels that pass between the clavicle and the beginning rib. People who have TOS may experience apathy or tickling in a hand, deoxyadenosine monophosphate well as weakness in the neck or arm. physical therapy exercises that strengthen the breast and rear muscles can help improve a person ’ s carriage and reduce pressure on the nerves and lineage vessels that pass through the pectoral release. Doctors can prescribe medicine to prevent blood clots and reduce pain. They may besides recommend surgery if a person ’ mho symptoms do not improve with physical therapy or medicine .

4. Cervical spinal stenosis

cervical spinal stenosis occurs when the hollow space of the spinal canal narrows, compressing the spinal cord. This compression can cause numbness or weakness in the arms or feet. It can besides cause neck and back pain. People can develop this condition if they have cervical spondylosis, which is arthritis that affects the part of the spine in the neck. neck or back injuries and tumors in the spur can besides contribute to cervical spinal stenosis. Doctors treat this condition with medication, back braces, physical therapy, and operating room.

5. Herniated disk

A herniated phonograph record occurs when the balmy nucleus of the phonograph record slips through a crack in its outer parcel. A herniated disk can press against surrounding nerves, which may cause numbness or annoyance in the branch. treatment options for herniated disks include pain medication, physical therapy, and operating room.

6. Hemiplegic migraine

People who have hemiplegic migraine have irregular weakness or paralysis on one side of the torso. This symptom can appear before or alongside a headache. People may feel apathy or tingling in the branch, arm, or side of the confront. Migraine besides causes intense, throbbing headaches that can affect one or both sides of the head. The symptoms of hemiplegic migraine vary from meek to severe. A hard hemiplegic migraine episode can cause extra symptoms, such as :

  • confusion
  • memory loss
  • personality changes
  • seizures

Doctors may prescribe annoyance relievers and nonsteroid anti-inflammatory drugs to treat migraine. According to the National Organization for Rare Disorders, doctors have not established standard treatment protocols for hemiplegic migraine because the condition is rare.

7. Heart attack

A heart attack occurs when the heart does not receive adequate oxygen-rich blood. A rake curdle or brass buildup can create a partial derivative or complete blockage in one or more of the blood vessels that supply the heart, causing a kernel attack. In rare cases, a heart attack can besides happen when the coronary artery spasm, which tightens the vessel and restricts blood run to the kernel. The heart muscleman may become damage or stop officiate raw if it does not receive enough oxygen. The most park symptoms of a heart attack, according to the National Heart, Lung, and Blood Institute, include :

  • pain or discomfort in one or both arms
  • intense pressure in the chest
  • pain in the upper stomach, which may feel like indigestion or heartburn
  • shortness of breath

early symptoms to look for include :

  • pain or numbness in the back, shoulders, neck, or jaw
  • feeling lightheaded or faint
  • nausea and vomiting
  • sweating

A center attack is a serious aesculapian emergency. People should call 911 immediately if they think that they or person else is having a affection attack. Doctors will attempt to open the obstruct artery and restore blood flow to the heart. The claim type of treatment will depend on the location of the blockage, the person ’ s overall health status, and the measure of time that has elapsed since the center attack began.

8. Stroke

A stroke occurs when something restricts or wholly blocks blood run to part of the brain. Strokes frequently cause numbness in one arm, leg, or side of the confront. other symptoms of a stroke include :

  • a sudden, severe headache
  • vision changes
  • confusion
  • difficulty speaking
  • dizziness
  • loss of coordination

There are two main types of stroke :

  • Ischemic strokes occur when blood clots or fatty deposits develop inside a blood vessel and restrict blood flow to the brain.
  • Hemorrhagic strokes occur when a blood vessel in the brain ruptures and bleeds into the surrounding tissue.

A stroke is a serious condition that requires emergency aesculapian treatment. A doctor can treat an ischemic stroke with thrombolytic medications that dissolve blood clots. If a person has a hemorrhagic stroke, a doctor of the church will need to repair the damaged blood vessel, which may require surgery.

When to see a doctor

Arm apathy is a park symptom of many minor issues, such as temporarily cutting off the circulation, but it is besides a sign of a heart attack or throw. People who have a high risk or history of cardiovascular disease should seek immediate checkup attention if they experience unexplained numbness or tingling in their arm. haunting apathy in the branch without an apparent causal agent suggests an underlie checkup problem that may require physical therapy or surgery .


many people experience casual apathy in an arm. Arm numbness can occur for several reasons that range from mild causes, such as sleeping in the wrong place, to a dangerous medical condition, such as a heart attack. sudden apathy in one or both arms may be a gestural of a heart attack, stroke, or steel damage, particularly if a person has early symptoms. People who experience arm numbness and helplessness on one side of the body that precedes a severe concern may have a rare type of migraine called hemiplegic migraine.

Anyone who has sleeve apathy without an obvious lawsuit should contact their repair, particularly if they have a history or increased risk of cardiovascular disease or diabetes. Read this article in spanish .

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