Raynaud's phenomenon
Raynaud's disease causes skin colour changes, numbness and pain triggered by cold or stress. Learn about its causes and treatment options.
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Chilblains (perniosis)
Chilblains are itchy, swollen, painful areas of skin on your fingers and toes that are caused by cold. Read about chilblain symptoms and treatment.
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Pulmonary hypertension
Pulmonary hypertension is a serious condition causing high blood pressure in pulmonary arteries of your lungs. It needs specialist care.
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