Continued. Effacement. During labor, your cervix gets shorter and thins out in order to stretch and open around your baby's head. The shortening and thinning of the cervix is called effacement. Inhaled drugs for asthma can be taken as normal during breast-feeding. Monitoring requirements For all BETA-2-ADRENOCEPTOR AGONISTS, SELECTIVE. See BETA-2-ADRENOCEPTOR AGONISTS, SELECTIVE. For TERBUTALINE SULFATE. Monitoring of patient parameters. In adults. In uncomplicated premature labour it is important to monitor blood pressure, pulse rate (should not exceed 120 beats per minute), ECG. Terbutaline injection comes as a solution (liquid) to inject under the skin. It is usually given by a doctor or nurse in a medical facility when needed to treat symptoms of asthma, chronic bronchitis, or emphysema. If the symptoms do not improve within 15 to 30 minutes after the first dose, another dose may be given. If the symptoms do not improve within 15 to 30 minutes after the second dose. Terbutaline sulfate should be used during pregnancy only if the potential benefits justify the potential risk to the fetus. Use In Labor and Delivery. Because of the potential for beta-agonist interference with uterine contractility, use of Terbutaline sulfate injection for relief of bronchospasm during labor should be restricted to those patients in whom the benefits clearly outweigh the risk. Using terbutaline for prevention or prolonged treatment (greater than 2-3 days) of early labor has risks to the mother that are greater than any possible benefits. Serious (sometimes fatal) side effects have rarely occurred in mothers using terbutaline during labor, such as chest pain, fast/irregular heartbeats, and trouble breathing. Tell your. Terbutaline is approved to prevent and treat bronchospasm (narrowing of airways) associated with asthma, bronchitis, and emphysema. The drug is sometimes used off-label (an unapproved use) for. Terbutaline for preterm labor. A healthy, normal pregnancy lasts 40 weeks. We do not want women to deliver before 40 weeks, as the risk to the baby is great. Therefore, terbutaline should be used during nursing only if the potential benefit justifies the possible risk to the newborn. Pediatric Use. Terbutaline is not recommended for patients under the age of 12 years because of insufficient clinical data to establish safety and effectiveness. Geriatric Use. Clinical studies of terbutaline sulfate injection did not include sufficient numbers of. Terbutaline Pregnancy and Breastfeeding Warnings. Terbutaline is also known as: Brethaire, Brethine, Bricanyl Medically reviewed by Drugs.com. Last updated on Mar 15, 2020. Pregnancy Warnings Terbutaline appears to have a short clinical period for sustained effectiveness. Consult physician if symptomatic relief wanes; tolerance can develop with chronic use. Usually, a substitute agent will be prescribed. Do not self-dose this drug, particularly during long-term therapy. In the face of waning response, increasing the dose will not.