Causes of Left Hand Numbness
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Peripheral Neuropathy
People with diabetes may develop nerve damage known as peripheral neuropathy, which may cause left-hand numbness. Symptoms may start in the legs and feet, with the hands and arms becoming involved later.
A person with peripheral neuropathy may experience numbness, tingling or burning and sharp pains or cramps in their hands, arms, legs and feet. They may notice reduced sensitivity to pain or changes in temperature. Serious foot problems may develop, such as ulcers, infections and pain in the bones and joints.6‘Diabetic Neuropathy.’ Mayo Clinic, Mayo Foundation for Medical Education and Research, 3 Mar. 2020, www.mayoclinic.org/diseases-conditions/diabetic-neuropathy/symptoms-causes/syc-20371580
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