How does hand grow chilblain often swollen to do

Hand frostbite is always swollen recommendations can be used to activate blood stasis ointment coated in local treatment, local rupture of patients, but also through the use of boric acid ointment or erythromycin cartilage coated in local treatment. For more serious symptoms of patients, but also under the guidance of doctors with vasodilator and improve microcirculation drug treatment.