My fingers turn white in the cold weather and then go purple and then normal colour. can be quite painful please help?

Sounds like --: This could be raynaud's phenomenon. The small arteries into the finge go into spasm because of the cold. This restricts the blood flow causing the whiteness and then the purple. Sometimes this happens as the only symptom and other times it maybe associated with other conditions.

Raynaud's: This is a classic presentation for raynaud's phenomena. It is disease where the peripheral arteries of the hand will spasm in response to temperature changes. Raynauds can be associated with an underlying medical condition such as rheumatoid arthritis, or many times is an isolated entity. There are medicines that are used to control symptoms if sufficiently symptomatic - and rarely surgery.

Raynaud's: Is a disorder where small blood vessels in the fingers constrict in response to cold and pain ensues. There may be a reason behind this such as an inflammatory or endocrine disorder or it vans occur by itself. Speak to your pcp about this . There are medications that may help ranging from niacin a vitamin to blood pressure calcium blocker i nitrous acting meds. Such as viagra (sildenafil) or nitro