It's getting cold recently and I feel very uncomfortable.

This is a vasospasm caused by cold weather. Peripheral vasospasm slows down blood circulation, and metabolic wastes cannot be eliminated in time, so the whole body is unwell and the nails are purple. Mild cerebral vasospasm leads to insufficient blood supply to the brain, so dizziness and insufficient blood supply to the heart lead to chest tightness and pain in the precordial area. To sum up, you are a systemic vasospasm caused by weather changes, and Chinese medicine belongs to cold blood vessels. Treatment measures, dispelling cold and promoting blood circulation, vasospasm. Flunarizine 1 tablet, 654-2 tablets 1 tablet, xiaohuoluo pill 1 tablet, three times a day, and the dosage was reduced after improvement.