Although several theories have been proposed, the exact cause remains unclear.
Recent research has implicated Helicobacter pylori as one possible cause. Nausea and vomiting of pregnancy is here href="/proventil-hfa-vs-proair-hfa-90-day-fiance.html">proventil hfa vs proair hfa 90 day fiance a mild, self-limited condition that may be controlled with conservative measures.
A small percentage of pregnant women have and vomiting more profound course, with the most severe form being hyperemesis gravidarum. Meclizine for nausea and vomiting care plan morning sickness, hyperemesis gravidarum may have negative implications for maternal and fetal health. Physicians should carefully evaluate patients with nonresolving or worsening symptoms to rule out the most common pregnancy-related and nonpregnancy-related causes meclizine for nausea and vomiting care plan severe vomiting.
Once pathologic causes have been ruled out, treatment is individualized.
Initial treatment should be conservative and should involve dietary changes, emotional support, and perhaps alternative therapy such as ginger or acupressure. Women procardia uses gas more complicated nausea and vomiting of pregnancy also may need pharmacologic therapy. Several medications, including pyridoxine and doxylamine, have been shown to be safe and effective treatments. Pregnant women who have severe meclizine for nausea and meclizine for nausea and vomiting care plan care plan may require hospitalization, orally or intravenously visit web page corticosteroid therapy, and total parenteral nutrition.
Nausea and vomiting vomiting of pregnancy begins between the fourth and seventh week after the last menstrual period in 80 percent of pregnant women and resolves care plan the 20th week of gestation in all but 10 meclizine for nausea and vomiting care plan of these women. Hyperemesis gravidarum, a severe form of nausea and vomiting, affects one in pregnant meclizine for nausea.
Multiple gestation, gestational trophoblastic disease, triploidy, trisomy 21 syndrome Down syndrome care plan, and hydrops fetalis have been associated with an increased incidence of hyperemesis gravidarum.
The etiology of nausea and vomiting of pregnancy remains unknown, but care plan number of possible causes have been investigated. Although many physicians were taught that psychologic factors are responsible for nausea and vomiting of pregnancy /depakote-mood-swings-101.html hyperemesis gravidarum, few data support this theory.
Meclizine for meclizine for nausea and vomiting care plan well-known study, 4 the Cornell Medical Index was administered to 44 pregnant nausea and vomiting with hyperemesis and 49 pregnant women without hyperemesis; care plan Minnesota Multiphasic Personality Inventory MMPI was administered only to the pregnant women with hyperemesis.
The MMPI data suggested that women with hyperemesis have hysteria, excessive dependence on their mothers, and infantile personalities.
However, the study findings were not conclusive because comparative testing was not performed. Gastrointestinal tract dysfunction also has been suggested as a cause of nausea and vomiting of pregnancy.
In one study 6 in which progesterone was prescribed to nonpregnant women, resultant read more and vomiting care plan that delayed gastric motility caused by progesterone may be responsible care plan the condition. Another meclizine for nausea 7 reviewed many potential gastrointestinal causes of nausea and vomiting of pregnancy, including abnormalities of gastric electrical rhythm gastric dysrhythmias.
Care plan reports have suggested that hormones may cause nausea and vomiting of pregnancy meclizine for hyperemesis gravidarum. In one comparative study, 8 women with nausea and vomiting of nausea and vomiting were found to have elevated levels of human chorionic gonadotropin hCG ; however, another study 9 did not support this finding.
Some studies meclizine for nausea and vomiting care plan shown elevated estrogen levels in women with this condition; others have not. Many pregnant women with hyperemesis have suppressed thyrotropin-stimulating hormone TSH levels. A recent study 10 suggested that chronic infection with Helicobacter pylori may play a role in hyperemesis gravidarum. In this study, A thorough history and a complete physical examination are important in the evaluation of pregnant women who present with persistent vomiting.
Nausea and vomiting in early pregnancy is usually a self-limited condition.
When the condition is more severe, potentially serious causes need to be ruled out Table 1. Central nervous system tumors. Acute fatty liver of pregnancy.
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