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Histamine is an organic nitrogenous compound involved in local immune responses communication, as well as regulating physiological functions in the gut and acting as a neurotransmitter for the brain, spinal cord, and uterus.
H1 antagonists, commonly known as antihistamines, are used to alleviate symptoms of allergies and allergic reactions. [3] H 2 receptor H2 Receptors: Found mainly in the stomach lining (parietal cells), H2 receptors regulate gastric acid secretion by stimulating the production of hydrochloric acid.
The enzyme histidine decarboxylase (EC 4.1.1.22, HDC) is transcribed on chromosome 15, region q21.1-21.2, and catalyzes the decarboxylation of histidine to form histamine.In mammals, histamine is an important biogenic amine with regulatory roles in neurotransmission, gastric acid secretion and immune response.
Your body: Late in pregnancy, women may feel occasional sharp pain in the vaginal area as well as general pelvic pressure, but if at any point you're having symptoms such as unrelenting abdominal ...
Signs and symptoms of pregnancy are common, benign conditions that result from the changes to the body that occur during pregnancy. Signs and symptoms of pregnancy typically change as pregnancy progresses, although several symptoms may be present throughout. Depending on severity, common symptoms in pregnancy can develop into complications ...
Signs and symptoms of early pregnancy may include missed periods, tender breasts, morning sickness (nausea and vomiting), hunger, implantation bleeding, and frequent urination. [1] Pregnancy may be confirmed with a pregnancy test. [7] Methods of birth control—or, more accurately, contraception—are used to avoid pregnancy.
Famotidine, sold under the brand name Pepcid among others, is a histamine H 2 receptor antagonist medication that decreases stomach acid production. [4] It is used to treat peptic ulcer disease, gastroesophageal reflux disease, and Zollinger-Ellison syndrome. [4]
Signs and symptoms of ACEi and ARB use during pregnancy include kidney damage or failure, oligohydramnios, anuria, joint contractures, and hypoplasia of the skull. [58] Common, alternative agents for high blood pressure in pregnant women include anti-adrenergic and beta-blocking medications, such as methyldopa or metoprolol, respectively.