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As an antihistamine, doxylamine is an inverse agonist of the histamine H 1 receptor. As a first-generation antihistamine, it typically crosses the blood–brain barrier into the brain, thereby producing a suite of sedative and hypnotic effects that are mediated by the central nervous system. (N.b.:
Pyridoxine/doxylamine, sold under the brand name Diclectin among others, is a combination of pyridoxine hydrochloride (vitamin B 6) and doxylamine succinate.It is generally used for nausea and vomiting of pregnancy (morning sickness); even though its efficacy has not been proven and subsequent research has led to the removal of recommendations in medical journals.
Its use is not recommended in young children or the elderly. [11] [12] There is no clear risk of harm when used during pregnancy; however, use during breastfeeding is not recommended. [13] It is a first-generation H 1-antihistamine and it works by blocking certain effects of histamine, which produces its antihistamine and sedative effects.
Most often, nausea and vomiting symptoms during pregnancy resolve in the first trimester, however, some continue to experience symptoms. Hyperemesis gravidarum is diagnosed by the following criteria: greater than 3 vomiting episodes per day, ketonuria, and weight loss of more than 3 kg or 5% of body weight.
Carpal tunnel syndrome – Carpal tunnel syndrome can occur in up to 70% of pregnant women and typically has a benign course. [16] [17] It manifests as pain, numbness, and tingling in the thumb, index finger, middle finger and the thumb side of the ring finger. [18] The symptoms of carpal tunnel syndrome during pregnancy are usually mild and do ...
Rubella, a viral infection also known as German measles. If someone is exposed during pregnancy, the virus can cause miscarriage or stillbirth. The CDC recommends two doses of the mumps-measles ...
HIV in pregnancy is the presence of an HIV/AIDS infection in a woman while she is pregnant. There is a risk of HIV transmission from mother to child in three primary situations: pregnancy, childbirth, and while breastfeeding. This topic is important because the risk of viral transmission can be significantly reduced with appropriate medical ...
Fetal alcohol spectrum disorders ( FASDs) are a group of conditions that can occur in a person who is exposed to alcohol during gestation. [ 1] FASD affects 1 in 20 Americans, but is highly mis- and under-diagnosed. [ 9] The several forms of the condition (in order of most severe to least severe) are: fetal alcohol syndrome (FAS), partial fetal ...