You should not eat garlic for GERD. The details are as follows: Gastroesophageal reflux disease refers to the reflux of gastroduodenal contents into the esophagus causing heartburn and other symptoms, caused by a variety of factors leading to dysfunction of the lower esophageal sphincter, the direct damage factor is the reflux of gastric acid, pepsin and bile. Such as esophageal hiatal hernia, pregnancy, obesity, vomiting, gastric dilatation, certain hormones (glucagon, etc.), food (high-fat, spicy, etc.), drugs (diazepam, etc.) and so on can cause lower esophageal sphincter dysfunction or transient prolongation of lower esophageal sphincter relaxation, then can cause disease. Garlic is a pungent food and may cause excessive gastric acid secretion after consumption, decreasing esophageal clearance and mucosal barrier resistance to reflux. Patients with GERD should avoid foods that lower the lower esophageal sphincter pressure, such as high fat, chocolate, coffee, strong tea, and spicy foods. They should also stop smoking and abstain from alcohol. If you have been diagnosed with GERD, it is recommended that you take the medication under the guidance of your doctor, and you should follow the doctor’s instructions to avoid any adverse effects. If there is any discomfort during the process of taking the medicine, you should consult a doctor promptly.