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Signs & Symptoms

GENERAL SYSTEM

Scroll down to see some of the signs & symptoms that a vitamin B12 deficiency can cause in the GENERAL SYSTEM areas of the body.

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To see the possible signs & symptoms of other areas of the body just click on the appropriate button on the diagram below.

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Symptoms underlined and highlighted in the same colour as their body area can be clicked on to see documented and peer reviewed sources of information.

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Because neurological symptoms of vitamin B12 deficiency can cause irreversible damage if left untreated, we have also indicated which of the symptoms are neurological by putting this (N) next to them.

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Woman in Pain
GENERAL SYSTEM

Musculoskeletal

Haematological/Vascular

Blood Signs & Symptoms
Vascular Signs & Symptoms

Pain

Neurological/Inflammation
Bone Issues

Skin & Hair

Textural Changes

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Colour Changes

Sensory

Altered Sensation

  • Burning/Cold Sensations (N)

  • Creepy Crawly Sensations on Skin (N)

  • Heat and/or Cold Intollerance (Incl. Night Sweats) 

  • Impaired Proprioception (Body Position) (N)

  • Itching (N)

  • Impaired Vibration Sense (N)

Paresthesia

Other Common Signs & Symptoms

Other General Symptoms

Movement

Movement Disorders
Human body outline
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