There are many reasons for dizziness from an IV drip, which should be treated according to different reasons. 1, dizziness from an IV drip may be caused by infusion too fast, if the infusion is too fast, dizziness will occur for some people, such as people with hypertension and cerebrovascular disease, when the infusion is too fast will make the cerebrovascular pressure increase, which will cause dizziness. The dizziness may also be caused by drugs, such as nitroglycerin and other vasodilators, which can cause dizziness in some patients, mainly because the vasodilators enter the blood vessels and increase the vasodilation of the brain, causing dizziness. In this case, the infusion drip rate should be adjusted to very slow, and the patient can get better after adapting, if the patient can not adapt to the treatment should be changed. 3, dizziness may also be caused by infusion reaction when playing the drip, some patients in the infusion can occur infusion reaction, will appear nausea, headache, dizziness and other uncomfortable symptoms, this time to check the cause and symptomatic treatment, if necessary, to change the drug treatment.