Dizziness caused by eating raw garlic may be caused by spicy stimulation, allergy and other reasons. 1. Pungent stimulation: Because raw garlic is a pungent and stimulating food, if the patient eats a lot of raw garlic, the allicin in garlic may stimulate the blood vessels in the body, which may lead to dilation of the blood vessels, causing vasodilatory headache, so the patient may experience dizziness, headache and other related symptoms. 2. Allergy: Dizziness caused by eating raw garlic may also be caused by allergy, because raw garlic contains a large amount of allicin, and if you are allergic to this ingredient, you may experience dizziness, hives, abdominal pain and other symptoms. Dizziness after eating raw garlic may also be coincidental, dizziness and other diseases such as hypertension, cerebral blood supply insufficiency, etc. If the dizziness persists, you should also go to the hospital in time.