There are several possible causes of dizziness, not wanting to eat, and weakness in patients: 1. Many people with infectious diseases, such as upper respiratory tract infections, are prone to dizziness, not wanting to eat, and weakness, and should pay attention to whether the patient has fever, which can be treated symptomatically. 2. Cerebrovascular diseases can also lead to dizziness, weakness, lack of energy, and loss of appetite when they strike, such as cerebral blood supply, cerebral arteriosclerosis, and cerebrovascular stenosis. Insufficient cerebral blood supply, cerebral arteriosclerosis, cerebral vascular stenosis. 3, when the patient is dizzy to a greater extent can also lead to weakness, do not want to eat, there are many diseases in the clinic. For example, Meniere’s disease, otolithiasis, vestibular neuronitis, such diseases can lead to severe dizziness, accompanied by tinnitus, ear congestion, nausea, resulting in patients do not want to eat.