Is sudden vomiting normal in the third trimester?

In the late pregnancy suddenly show vomiting phenomenon, which belongs to the abnormal performance. The most common reason is caused by indigestion, in overeating or eating spicy, irritating food, will easily cause this phenomenon, need to eat to help digestion drugs to treat, during pregnancy can eat Jianwei Xiaoshi tablets or milk enzyme, this drug can play to help digestion, relieve nausea, vomiting role, and will not harm the fetus. There is also a situation that high blood pressure is easy to cause increased intracranial pressure, but also cause nausea, vomiting phenomenon, need to check blood pressure in a timely manner, if the blood pressure is too high to cause timely hypotension, with antihypertensive drugs to control blood pressure within the normal range value, can alleviate nausea, vomiting symptoms, commonly used drugs during pregnancy are magnesium sulfate or nifedipine.