Numbness in both hands, both feet, and the face?
About a week ago, I suddenly experienced numbness in the backs of both hands, the upper and lower arms, the backs of my feet and toes, the calves, the inner thigh of my left leg, and a tingling sensation in my lips and face.
What could be the possible causes? Which specialist should I see? Thank you very much.
Xiao Yi, 30~39 year old female. Ask Date: 2020/12/02
Dr. Jiang Junyi reply Neurology
Hello: Your symptoms may suggest hyperventilation syndrome.
This condition is characterized by a decrease in carbon dioxide levels in the blood, leading to an increase in pH, medically referred to as "respiratory alkalosis." This can trigger systemic reactions and symptoms, with common manifestations including vasoconstriction and decreased calcium levels in the blood.
The reduction in blood flow to the brain due to vasoconstriction can result in dizziness, numbness (particularly around the lips and in the upper limbs), and weakness.
Low carbon dioxide levels in the blood often lead patients to feel short of breath, and excessive breathing can cause chest pain.
Hyperventilation can also lead to dry mouth, and sometimes air may enter the gastrointestinal tract, causing bloating and belching.
"Hyperventilation syndrome" can be classified into acute and chronic forms, and the exact etiology is not well understood.
It is most commonly seen in young individuals (ages 15-55), with a significantly higher prevalence in females compared to males (7:1).
During acute episodes, patients typically exhibit pronounced rapid and deep breathing, and other related symptoms are more typical and severe, often prompting patients to seek care in the emergency department, making diagnosis relatively straightforward.
The diagnosis of "chronic hyperventilation syndrome" requires the exclusion of physiological diseases; therefore, basic examinations such as pulmonary function tests, electrocardiograms, chest X-rays, and blood tests are necessary to avoid delaying the identification of potential underlying conditions.
A definitive diagnosis can be made through arterial blood gas analysis, which confirms the presence of low carbon dioxide levels in the patient.
I recommend that you consult a neurologist to discuss further evaluation and treatment.
Wishing you good health, safety, and happiness.
Dr.
Jiang, Department of Neurology, Taoyuan Hospital, cares about you.
Reply Date: 2020/12/02
More Info
Sudden numbness in the hands, feet, and face can be alarming and may indicate a variety of underlying medical conditions. The symptoms you describe, including numbness in the arms, legs, and facial areas, could be related to several potential causes, ranging from benign to serious. It is crucial to understand these possibilities and when to seek medical attention.
One common cause of sudden numbness is a transient ischemic attack (TIA), often referred to as a "mini-stroke." A TIA occurs when there is a temporary decrease in blood flow to the brain, leading to symptoms similar to those of a stroke, including numbness, weakness, or difficulty speaking. Although the symptoms may resolve quickly, a TIA is a warning sign of a potential future stroke, and immediate medical evaluation is essential.
Another possibility is peripheral neuropathy, which can result from various factors, including diabetes, vitamin deficiencies (such as B12), alcohol use, or exposure to toxins. Peripheral neuropathy typically presents as numbness, tingling, or pain in the extremities, and it can develop gradually or suddenly, depending on the underlying cause.
Multiple sclerosis (MS) is another condition that can cause sudden numbness or tingling sensations. MS is an autoimmune disorder that affects the central nervous system, leading to a wide range of neurological symptoms, including numbness, weakness, and coordination issues. If numbness is accompanied by other neurological symptoms, such as vision changes or difficulty walking, it is crucial to seek medical attention.
In some cases, anxiety or panic attacks can lead to hyperventilation, which may cause temporary numbness or tingling in the extremities and face. This is often accompanied by feelings of anxiety, shortness of breath, and a rapid heartbeat. While this is typically not dangerous, it can be distressing and may require management through relaxation techniques or therapy.
Given the range of potential causes, it is advisable to see a healthcare professional for a thorough evaluation. A primary care physician can conduct an initial assessment and may refer you to a neurologist if necessary. The neurologist can perform specific tests, including imaging studies (like an MRI or CT scan) and nerve conduction studies, to determine the underlying cause of your symptoms.
When you visit the doctor, be prepared to provide a detailed history of your symptoms, including when they started, how long they last, and any other accompanying symptoms. This information will help the healthcare provider make an accurate diagnosis.
In summary, sudden numbness in the hands, feet, and face can arise from various causes, including TIAs, peripheral neuropathy, multiple sclerosis, or anxiety-related issues. It is essential to seek medical attention promptly to rule out serious conditions and receive appropriate treatment. Early intervention can significantly impact outcomes, especially in cases related to stroke or neurological disorders.
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