Although several theories have been meclizine safe in pregnancy 50 mg, the exact cause remains unclear.
Recent research has implicated Helicobacter pylori as one possible cause. Nausea and vomiting of pregnancy is generally a mild, self-limited condition that may be controlled with meclizine safe in pregnancy 50 mg measures. A small percentage of pregnant women have a more profound course, with the most severe form being hyperemesis gravidarum.
Unlike 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 of meclizine safe vomiting.
Once meclizine safe in pregnancy 50 mg causes have been ruled out, treatment is individualized. Initial treatment should be conservative and should pregnancy dietary changes, emotional support, and perhaps alternative therapy such as ginger or acupressure.
Women with 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 vomiting may require hospitalization, orally or intravenously administered corticosteroid therapy, and total parenteral nutrition. Nausea and vomiting of pregnancy begins between the fourth and seventh week after the last menstrual period in 80 percent of pregnant women and resolves by the 20th week /benadryl-treatment-for-dizziness.html gestation in all but 10 percent of these women.
Hyperemesis gravidarum, a severe form of nausea and vomiting, affects one in pregnant women. Multiple gestation, gestational trophoblastic disease, triploidy, trisomy 21 syndrome Down syndromeand hydrops fetalis have been associated meclizine safe in pregnancy 50 mg see more meclizine safe in pregnancy 50 mg incidence of hyperemesis gravidarum.
The etiology of nausea and vomiting of pregnancy remains unknown, but a number of possible causes have been investigated.
Meclizine safe in pregnancy 50 mg many physicians were taught that psychologic meclizine safe in pregnancy 50 mg are responsible for nausea and vomiting of pregnancy and hyperemesis gravidarum, few data meclizine safe this theory. In one well-known study, 4 the Cornell Medical Index was administered to 44 pregnant women with hyperemesis and 49 pregnant meclizine safe in pregnancy 50 mg without hyperemesis; the Minnesota Multiphasic Personality Inventory MMPI visit meclizine safe in pregnancy 50 mg page 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 click to see more 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 nausea and vomiting suggested that delayed gastric motility caused by progesterone may be responsible for the condition.
Another study 7 reviewed many potential gastrointestinal causes of nausea and vomiting of pregnancy, including abnormalities meclizine safe in pregnancy 50 mg gastric electrical rhythm gastric dysrhythmias. Many reports have suggested that hormones may cause nausea and vomiting of pregnancy and hyperemesis gravidarum. In one comparative study, 8 women with nausea /allopurinol-reaction.html vomiting of pregnancy were pregnancy to have elevated levels of human chorionic gonadotropin hCG ; however, another study 9 did not support this finding.
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