Causes of Paresthesias

General Nerve Causes of Paresthesias: A number of disorders of the nerves in general may cause paresthesias in different locations.

Brain and Head Disorders: Various brain disorders can affect the nervous system and give various unusual sensations.

Spine and Spinal Cord Disorders: Impacts to the spinal cord (directly or via the spinal bones) can cause sensory changes and paresthesias in areas depending on what part of the spinal cord is affected.

Metabolic Causes: A number of metabolic disorders can affect the nerves and cause sensory changes.

Infectious Causes: Some infectious diseases can affect the nerves in general, causing sensations.

Toxic Causes of Paresthesias: Various poisons, substances and toxins can cause a systemic effect on the nerves:

Other Causes: Additional causes of sensations and paresthesias include:

Other Causes of Arm and Hand Paresthesias: In addition to the general causes of paresthesia, there are additional causes:

Other Causes of Leg and Foot Paresthesias: Various disorders can affect the legs and feet nerves, in addition to the items on the general causal list:

Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.