When dizziness occurs after fatigue, it is considered to be due to the dysfunction of brain nerves caused by fatigue, and dizziness may occur. There is also the fact that after fatigue, the cerebral blood vessels may spasm, which may also lead to dizziness and even headache. For fatigue-induced dizziness, the main thing is to observe the changes in the condition, pay more attention to rest, drink more water, and keep the mental relaxation, generally through rest, the symptoms of fatigue and dizziness can be relieved quickly. If the dizziness is not relieved obviously, consider the degree of cerebral vascular spasm is relatively heavy, you can give the patient some oral drugs like Cipro (flunarizine hydrochloride capsule), blood Cetron tablets to improve blood circulation, relieve vascular spasm, symptomatic treatment, generally patients can have significant improvement of dizziness symptoms. Patients must usually pay attention to the combination of work and rest, do not overexert, because after excessive fatigue may also induce acute cardiovascular and cerebrovascular problems.