Dizziness, nausea, hard to stomach may be related to gastrointestinal type of cold, try to eat a light diet, reduce activities, more rest, you can take patchouli and other drugs. Dizziness, nausea, stomach upset, if the obvious vertigo, may also be vertigo, you can take vertigo stop or with betahistine, asparagine and other drugs infusion treatment. There are symptoms of vertigo and nausea, which may be related to anemia, blood sugar or cervical spine problems, so you can go to the hospital to do relevant examinations and treat for the cause. If blood sugar is low, you can eat food with high sugar content. For anemia, eat foods rich in iron and drink brown sugar and jujube soup. If blood pressure is elevated, antihypertensive drugs such as calcium antagonists can be taken. Patients with low blood pressure should increase their salt intake. For those caused by insufficient cerebral blood supply, you can take aspirin enteric-coated tablets, nimodipine and other drugs.