Causes of head swelling include overwork, lack of sleep, high blood pressure, craniocerebral diseases, etc. Treatment should be directed at the cause of the disease, and attention can be paid to rest, taking medication and so on. 1. Overexertion: If you are overworked and stressed for a long period of time, this condition will occur and can be improved by taking rest. 2. Lack of sleep: lack of sleep will cause dizziness, head swelling, etc., should ensure stable and good sleep. Suffering from insomnia can take oxazepam, zopiclone and so on. 3. High blood pressure: High blood pressure causes increased cerebral perfusion pressure, resulting in cerebral vasospasm, etc. will cause head swelling. Drugs for lowering blood pressure include sodium nitroprusside, hydrochlorothiazide and so on. 4. Craniocerebral diseases: such as intracranial tumors, hematoma, fluid retention, etc. can cause head swelling, and should be consulted as soon as possible for surgical treatment, chemotherapy, lowering cranial pressure. Head swelling may also be caused by other reasons. If it is not relieved after resting, you should consult a doctor promptly, and medicines should be used under the guidance of a physician.