Dizziness three days after tooth extraction is not normal, the common causes are acute infection after tooth extraction, anesthesia effect on the brain, insufficient blood supply to the brain and so on. 1. Acute infection after tooth extraction: after tooth extraction due to poor oral hygiene to maintain acute infection in the extraction socket, three days after tooth extraction will appear dizziness, extraction socket will also appear severe pain, that is, there is a dry socket. This situation requires thorough debridement to facilitate the healing of the extraction wound. 2. Anesthesia on the brain: the use of too much anesthesia or the patient’s tolerance to anesthesia is limited, can also lead to dizziness three days after the extraction of teeth. This situation to the hospital in time, active treatment. 3. Insufficient blood supply to the brain: more nervousness during tooth extraction or excessive bleeding after tooth extraction, elevated blood pressure, etc., can lead to dizziness three days after tooth extraction. High blood pressure or low blood pressure, you should take oral antihypertensive drugs in time, so that the blood pressure to return to normal levels. Dizziness three days after tooth extraction is an abnormal phenomenon, go to the hospital in time to check, clarify the cause of the disease and then symptomatic treatment, so as not to delay the condition.