Severe and persistent nausea and vomiting (morning sickness) during pregnancy.
Severe vomiting, especially hyperemesis gravidarum, an abnormal condition of pregnancy characterized by severe vomiting, weight loss, fluid electrolyte imbalance, and, if severe, resultant brain, liver, and kidney damage. Treatment is by drugs to arrest vomiting and maintenance of adequate food intake and fluid and electrolyte balance.
Excessive vomiting that can result in severe dehydration and weight loss. Symptoms of hyperemesis may include a rapid pulse, a drop in blood pressure, dry mucous membranes in the mouth and elsewhere, a loss of skin elasticity, and confusion. Forceful vomiting can lead to retinal hemorrhage, which impairs vision, or to rips in the digestive tract, which cause the vomiting of blood. Hyperemesis gravidarum is excessive vomiting during pregnancy.
Hyperemesis gravidarum affects pregnant women: the stomach contents and bile are vomited, and the acidity of the arterial blood increases. If the vomiting is allowed to continue for a long time, liver disease may develop. If rest, restriction of liquid intake, controlled diet, and drugs aimed at stopping the vomiting fail to cure the condition, it may be necessary to terminate the pregnancy. Hyperemesis lactentium is vomiting by babies at the breast-feeding stage.
A parasitic infestation resulting from the existence of tapeworms belonging to the Hymenolepis genus, such as the dwarf tapeworm (Hymenolepis nana) or the rodent tapeworm (Hymenolepis diminuta).
The medical condition characterized by excessive vomiting is known as hyperemesis. This condition can lead to dehydration and weight loss.
The condition, known as hyperemesis gravidarum, can occur during pregnancy. Unlike morning sickness, it involves severe vomiting, making it difficult for the affected woman to retain any food or fluid. The exact cause is unknown, but an excess of the hormone human chorionic gonadotrophin (HCG) is believed to be a contributing factor, especially in cases involving multiple fetuses or a hydatidiform mole. Psychological stress may exacerbate the symptoms. If left untreated, hyperemesis gravidarum can pose life-threatening risks to both the mother and the fetus.