When adverse reactions of dizziness and vomiting occur after taking medications, patients are advised to stop taking such medications orally. However, there are some medications that patients are not advised to stop taking suddenly, under the guidance of a physician. For example, patients can experience dizziness and vomiting from drugs used to treat Parkinson’s disease, as well as drugs used to treat epilepsy, such as phenobarbital and Depakene. If the medication is stopped suddenly it can lead to worsening of the patient’s Parkinson’s symptoms, as well as recurrent seizures, or continuous status epilepticus, etc. Therefore, if the adverse drug reactions dizziness, vomiting after, it is recommended to discontinue the drug under the guidance of a physician, if necessary, need to gradually reduce the dose and then stop. There are also some clinical adverse reactions to drugs are dizziness, vomiting, about 1 week after the patient tolerance to get relief, if the patient is due to drug overdose caused by adverse reactions, according to different drug treatment principles are different, the reaction is serious to go to the hospital, according to the situation for infusion, gastric lavage or vomiting, etc..