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   Numbness Fingers
 
Definition:
A sensation of pricking, tingling, or creeping on the skin having no objective cause and usually associated with injury or irritation of a sensory nerve or nerve root, neuropathy.
 
Medical terms related to numbness fingers :
Finger Numbness, Finger Tingling, Paresthesia, Fingers, Tingling Fingers
 
Common causes of numbness fingers: 
o Hand Trauma (e.g. Jack Hammer)
o Ulnar Nerve Entrapment
o Hyperventilation
o Radiculopathy of Neck
o Shingles (Called also Herpes zoster, Zona, Zoster)
o Frostbite
o Abnormal levels of calcium, potassium, or sodium in the body
o Migrain headache
o Transient ischemic attack (TIA) or stroke
o Carpal Tunnel Syndrome (CTS):
Compression of the median nerve in the carpal tunnel and marked by weakness, pain, and disturbances of sensation in the hand and fingers.
o Multiple Sclerosis (MS):
A demyelinating disease marked by patches of hardened tissue in the brain or the spinal cord and associated especially with partial or complete paralysis and jerking muscle tremor.
o Peripheral Vascular Disease:
Diseases affecting blood vessels outside of the heart and especially those vessels supplying the extremities( e.g. Raynaud's disease, Buerger's disease, atherosclerosis).

Other Causes of numbness fingers:
o Radiation therapy
o Vitamin B12 deficiency
o Toxic action on nerves (from lead, alcohol, or tobacco)
o Vasculitis:
Inflammation of a blood or lymph vessel;called also Angiitis.
o Blood Vessel Obstruction of Upper Extremity
o Thoracic Outlet Syndrome:
Thoracic outlet syndrome (TOS) consists of a group of distinct disorders affecting the nerves in the brachial plexus (nerves that pass into the arms from the neck) and various nerves and blood vessels between the base of the neck and axilla (armpit) marking by various signs and symptoms of the upper limb.
o Peripheral Neuropathy:
Damage to the peripheral nerves in which motor, sensory, or vasomotor nerve fibers may be affected and which is marked by muscle weakness, atrophy, pain, and numbness.
o Raynaud's Disease:
A vascular disorder that is marked by recurrent spasm of the capillaries and especially those of the fingers and toes upon exposure to cold, that is characterized by pallor, cyanosis, and redness in succession usually accompanied by pain, and in severe cases may progresses to local gangrene.
 
Call 911 or go to the hospital if numbness fingers is accompanied by: 
o Weakness or paralysis
o Head or neck injury
o Losing bladder or bowel control
o Confusion or losing consciousness, even briefly
o Slurred speech, change in vision
o Inability to move your hand
 
Call your doctor if numbness fingers is accompanied by: 
o Frequent urination
o Numbness or tingling is in your legs
o Rash
o Dizziness, vertigo, or muscle spasm
 
Diagnostic tests that may be performed include: 
o Blood tests such as CBC, electrolytes
o Thyroid function tests, and vitamin B12 levels
o Electromyography to measure how your muscles respond to nerve stimulation
o Ultrasound of neck vessels to evaluate your risk for TIA or stroke
 
Medications for numbness fingers may include: 
o Gabapentin (Neurontin)
o Amitriptyline. Elavil, Endep
o Nortriptyline, Pamelor, Aventyl
   
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