The sudden appearance of body aches and weakness of the limbs may be caused by viral infections, such as viral colds. When exertion and cold, causing a decrease in resistance, you are prone to suffer from viral colds, which may have general cold symptoms, but also fever and general symptoms of body aches and pains and weakness of the limbs. If the body temperature is high, you can use some antipyretic and analgesic drugs to reduce fever and relieve the symptoms of body aches and pains. If there are other cold symptoms, you can also take oral anti-cold medications, such as compound aminoglutethimide tablets, which can relieve cold-induced sneezing, runny nose, nasal congestion and other symptoms. Pay attention to rest, avoid exertion, pay attention to cold and warmth, and properly strengthen nutrition to enhance the body’s resistance and promote early recovery from the disease. If the symptoms still do not improve after 3-5 days of medication, you need to go to the hospital for further examination to clarify the cause of the disease, and according to the cause, carry out targeted treatment.