Hyperemesis gravidarum (HG) is a severe form of morning sickness that affects approximately one percent of pregnant women. Characterized by persistent and severe nausea, vomiting, and dehydration, HG can be a life-threatening condition. It is important for medical professionals to recognize the signs of HG and intervene with appropriate treatment. The exact cause of HG is unknown, but it is believed to be related to hormonal changes associated with pregnancy. HG is more common in women carrying twins or multiples, and it may also be caused by a variety of factors, including genetic predisposition, nutritional deficiencies, and environmental factors. The most common symptoms of HG are persistent and severe nausea, vomiting, and dehydration. Other symptoms may include weight loss, electrolyte imbalances, and vitamin deficiencies. HG can also cause extreme fatigue, dizziness, and difficulty concentrating. HG is typically treated with a combination of medications and lifestyle changes. Medications used to treat HG may include antiemetics (anti-nausea drugs), antacids, and anti-reflux medications. Lifestyle changes can include limiting physical activity, eating small, frequent meals, and avoiding foods and smells that trigger nausea. If left untreated, HG can have serious health consequences, including malnutrition, dehydration, and electrolyte imbalances. In severe cases, HG may lead to hospitalization and the need for intravenous fluids and nutrition. It is important for medical professionals to recognize the signs of HG and intervene with appropriate treatment. Early diagnosis and treatment of HG can help reduce the risk of long-term health complications.