<s>[INST] hi, I have a problem with my hands that i think may be due to circulation. They are always cold, and always red if it is warm outside/purple if cold from fingertip to wrist. My hands sweat at an abnormal amount which may have to do with my condition. They turn normal color when i put them above my heart but as soon as I drop them back down they turn back to red/purple. I m wondering if you know what I have and how I could fix it. Thanks. [/INST] Hi, I value your concern regarding the symptoms. I have gone through your symptoms, and in my opinion you judged it right such symptoms could be due to vascular phenomenon. the condition is known as Reynaulds syndrome, and is quite common due to constriction of small vessels of the hand and foot in exposure to cold. The ways out are1 Do not let your hand get cold, use warm water, protective gloves, and be careful only you know what causes them and avoid them.2 consult a vascular surgeon and get investigated on any other cause that may be there.3 some drugs could relieve your symptoms but usually do not cure themHope this answers your question. If you have additional questions or follow up questions then please do not hesitate in writing to us. I will be happy to answer your questions. Wishing you good health.Special note-  Any medication prescribed needs to be taken after consultation with your personal doctor only. </s>