What is the reason for dizziness, brain swelling and weakness of limbs

If it shows dizziness, brain swelling and limb weakness, it is mainly considered to be caused by the following reasons: 1. Upper respiratory tract infection disease, mainly caused by catching cold, will show dizziness, brain swelling, limb weakness when it comes on, and will also be accompanied by fever, chills, sore throat, cough, nasal obstruction, etc.; 2. Hypoglycemia, the cause of this disease is mainly caused by excessive diet control of diabetic patients, or improper use of hypoglycemic drugs. When the disease occurs, it will show general weakness, night sweats, limb shaking, etc., which can be clearly diagnosed mainly through blood sugar examination.