iPsychology

Paresthesias are abnormal sensations, often described as numbness, prickling, or tingling, usually felt along the extremities. Feelings of tingling or numbness.

• .Lack of sensation.
• Sensory loss.
• Paresthesias.
• Tingling.
• Loss of sensation.

Common Causes:

• Local injury to the nerves under the skin.
• Lack of blood supply to the area.
• Pressure on the nerves, caused by a herniated disk, tumors, abscesses or arthritic bones.
• Toxic action on nerves ( lead, alcohol, tobacco ).
• Diabetes and other chemical abnormalities.
• Vitamin B-12 deficiency.
• Hypothyroidism.
• Carpal tunnel syndrome.
• Drugs such as chemotherapeutic agents, chloroquine, D-penicillamine, isoniazid, nitrofurantoin, parenteral gold therapy and phenytoin.
• Long-term radiation.
• Transient ischemic attack ( TIA ).
• Stroke.
• Multiple sclerosis ( a less common cause of numbness ).
• Seizures.
• Migraine.