There are many causes of dizziness, nausea, vomiting and weakness of limbs, which should be clearly diagnosed first. 1, sometimes hypertension, hypotension, various cardiovascular diseases, anemia, infection, poisoning, hypoglycemia and other diseases can cause dizziness, nausea, vomiting and weakness of limbs. But whether these diseases cause, but also need to go to the hospital in time for further examination to confirm the diagnosis. 2, but sometimes overwork, cold and fever, poor rest, strenuous exercise, emotional stress, etc. can also lead to dizziness, nausea and vomiting limb weakness. 3, Sometimes cerebral vascular spasm or transient disorder of vestibular function can also lead to. 4, sometimes seasickness, motion sickness, intracranial pressure, indigestion, Meniere’s syndrome and other causes can also cause dizziness, nausea and vomiting weakness. 5, sometimes when taking certain drugs, because of drug overdose, allergic reactions can also lead to dizziness, nausea and vomiting limb weakness. Many causes can lead to dizziness, nausea, vomiting and limb weakness, but what is the specific disease, what is going on, need to go to the hospital for further examination to determine, so that you can be more targeted treatment. If you have dizziness, nausea, vomiting and weakness, it is recommended that you go to the hospital as soon as possible.