Suddenly feeling cold and breathless may be related to bacterial or viral infection or malaria, etc. Check and confirm the diagnosis for treatment. If the cold is caused by a viral infection, it can be treated with medications such as aminophenol cinnamon tablets, ibuprofen, and acetaminophen. If it is caused by bacterial infection, you can take anti-infection treatment, such as amoxicillin, roxithromycin, cefixime, levofloxacin and other drugs for anti-infection treatment, severe infections need to be infused with fluids for treatment, sepsis needs to be infused with fluids for anti-infection treatment and rehydration, elevation of blood pressure, and other supportive treatment. If it is caused by malaria, physical cooling, drug cooling treatment can be carried out, and also need to carry out anti-malarial parasite drug treatment, the patient can take plaquine, chloroquine and other drugs. In short, the patient appears suddenly feel so cold dyspnea, should promptly consult a doctor for examination, diagnosis of the condition for targeted treatment.