Severe pain in hands and feet when exposed to cold. what meds can increase blood flow to warm the hands?

No meds: Episodic vasospasm (constriction of small arteries) of the fingers or toes. It is characterized by digital (fingers or toes) blanching or white color, cyanosis (blue), a feeling of numbness or dulled sensory response and rubor (red) after cold exposure and rewarming. Patients with raynaud's phenomenon should avoid unnecessary cold exposure and wear warm clothing.