Raynaud’s phenomenon

Raynaud’s phenomenon is a condition in which cold temperatures or strong emotions cause blood vessel spasms that block blood flow to the fingers, toes, ears, and nose.

primary has no cause

CAUSES of secondary:

Connective tissue disorders:

scleroderma

systemic lupus erythematosus

rheumatoid arthritis

Sjogren's syndrome

dermatomyositis

polymyositis

mixed connective tissue disease

cold agglutinin disease

Ehlers-Danlos Syndrome

Eating disorders

anorexia nervosa

Obstructive disorders

atherosclerosis

buerger's disease

takayasu's arteritis

subclavian aneurysms

thoracic outlet syndrome

Drugs

Beta-blockers

cytotoxic drugs - particularly chemotherapeutics and most especially bleomycin

anthrax vaccines whose primary ingredient is the Anthrax Protective Antigen

Occupation

jobs involving vibration, particularly drilling, suffer from vibration white finger

exposure to vinyl chloride, mercury

xposure to the cold

Others

Physical Trauma, such as that sustained in auto accident or other traumatic events

hypothyroidism

cryoglobulinemia

malignancy

reflex sympathetic dystrophy

carpal tunnel syndrome

magnesium Deficiency

SYMPTOMS:

Strong emotions or exposure to the cold makes the pripheries blue

associated with other medical conditions are more likely to have pain in different fingers. They often have pain and tingling.

SIGNS:

pallor

cyanosis

redness(erythema)