Dizziness after catching a cold may be caused by a weaker body, or it may be caused by other diseases. 1. Weakness: Colds can lead to fever, nasal congestion, discomfort and other symptoms. After a cold is over, due to the weakness of the body, it may lead to low blood pressure and hypoglycemia, which may lead to the symptoms of dizziness. 2. Other diseases: cerebral atherosclerosis and other cerebrovascular diseases, arrhythmia and other heart diseases, anemia and other blood diseases, cervical spondylosis and other diseases can lead to insufficient cerebral blood supply and thus dizziness, Meniere’s disease and other otogenic diseases can lead to dizziness through the influence of the vestibular system, diabetes mellitus and other metabolic disorders, diseases such as phyto-nervous disorders, can lead to the symptoms of dizziness. When dizziness occurs after a cold, if it can not be relieved after resting, or accompanied by other symptoms should be promptly diagnosed and treated, improve the relevant laboratory tests to clarify the cause of the disease, and follow the doctor’s instructions to standardize the treatment, so as to avoid delaying the condition.