Terbutaline Is a Developmental Neurotoxicant: Effects on Neuroproteins and Morphology in Cerebellum, Hippocampus, and Somatosensory Cortex [02-17-2011] The U.S. Food and Drug Administration (FDA) is warning the public that injectable terbutaline should not be used in pregnant women for prevention or prolonged treatment (beyond 48-72. Drugs and therapeutic agents administered by inhalation Inhalational anesthetic agents. aliflurane; chloroform; cyclopropane; desflurane; diethyl ether; halothane The goal for asthmatic cats is to decrease inflammation, dilate the airway and diminish mucus production. Medications can be administered orally, inhaled, or intravenously. Terbutaline can be given subcutaneously, which means injected into the skin, or intravenously (IV), which means given through a vein. The usual dose of terbutaline is 0.25 milligrams (mg). Terbutaline is a selective beta 2-adrenergic agonist recommended for the relief and prevention of bronchospasm in bronchial asthma and other bronchopulmonary disorders in which bronchospasm or reversible airways obstruction is a complicating factor. Terbutaline sulfate USP, the active ingredient of Terbutaline sulfate injection, is a beta-adrenergic agonist bronchodilator available as a sterile, nonpyrogenic, aqueous solution in vials, for subcutaneous administration. Randomized comparison of intravenous nitroglycerin and subcutaneous terbutaline for external cephalic version under tocolysis Terbutaline, sold under the brand name Bricanyl 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. INTRODUCTION. The management of hypertension in a patient with asthma or chronic obstructive pulmonary disease (COPD) is a common problem owing to the high prevalence of each condition in the adult population.