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In addition to drug-specific contraindications, [41] several general factors may contraindicate delaying childbirth with the use of tocolytic medications. Fetus is older than 34 weeks gestation [49] Fetus weighs less than 2.5 kg, or has intrauterine growth restriction (IUGR) [49] or placental insufficiency [49]
Terbutaline, sold under the brand names Bricanyl and Marex among others, is a β 2 adrenergic receptor agonist, used as a "reliever" inhaler in the management of asthma symptoms and as a tocolytic (anti-contraction medication) to delay preterm labor for up to 48 hours.
Salbutamol and terbutaline are also both available in oral forms. [11] In addition, several of these medications are available in intravenous forms, including both salbutamol and terbutaline . It can be used in this form in severe cases of asthma , but it is more commonly used to suppress premature labor because it also relaxes uterine muscle ...
Bambuterol is a long-acting β adrenoceptor agonist (LABA) used in the treatment of asthma; it also is a prodrug of terbutaline. Commercially, the AstraZeneca pharmaceutical company produces and markets bambuterol as Bambec and Oxeol .
Beta adrenergic agonists or beta agonists are medications that relax muscles of the airways, causing widening of the airways and resulting in easier breathing. [1] They are a class of sympathomimetic agents, each acting upon the beta adrenoceptors. [2]
Side effect, caution & contraindications Remarks Short-acting beta2-agonist (SABA) Salbutamol (albuterol) Terbutaline; Bind and activate beta2 adrenergic receptor on smooth muscles of respiratory tract → rise in cyclic AMP (cAMP) level in smooth muscle → relaxation of the smooth muscle [29] Side effect [29] [30] Muscle tremor; Tachycardia ...
Ritodrine, sold under the brand name Yutopar, is a tocolytic drug used to stop premature labor. [2] [3] This drug has been removed from the US market, according to FDA Orange Book.
Gelesis100, sold under the brand name Plenity, is an oral hydrogel used to treat overweight and obesity. [1] It absorbs water and expands in the stomach and small bowel thereby increasing feelings of fullness.