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.
- Loss of sensation.
- 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.
- 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 ).
- Multiple sclerosis ( a less common cause of numbness ).