Drowsiness after taking artificial oxalic metronidazole can be treated with medication under the guidance of a doctor, usually due to gastrointestinal disorders, central nervous system symptoms and other reasons. 1. Gastrointestinal dysfunction: gastrointestinal dysfunction is generally called gastrointestinal neurosis, the patient may appear acid, belching, anorexia and other symptoms, can be used under the guidance of a doctor, such as omeprazole, domperidone and other drugs for treatment, improper use of the patient may appear diarrhea, reflux, nausea, etc., the patient with severe hepatic insufficiency is prohibited from using this drug. 2. Central nervous system disorder: central nervous system disorder patients can generally be under the guidance of a doctor to use the Olanzapine, Piracetam and other drugs for treatment, improper use of the patient may appear itching, nausea, mental excitement and other symptoms, severe renal impairment is prohibited for the use of this drug. Patients should immediately stop using the drug, while paying attention to rest, under the guidance of the doctor to identify the cause of the disease, for reasonable use of drugs.