Nifedipine do for raynauds? What is small vessel disease? Other treatments. Tried hot packs, blankets, gloves. Uncomfortable fingers toes freezing cold

Block constriction. Calcium channel blockers, especially Nifedipine treat raynauds by helping to block constriction of the small vessels of the hands and feet thereby improving the blood flow to those areas.
It helps Raynauds. Raynaud's symptoms are caused by constraction of peripheral arteries. Cessation of smoking is the most important process. Control blood pressure and treat hyperlipidemia to prevent artherosclerosis. Prophylactic measures including gloves, avoiding cold contact, etc.