GENERIC NAME(S): Terbutaline
OTHER NAME(S): Brethine Tablet
Terbutaline should not be used to prevent or treat early labor, since it has risks to the mother that are greater than the benefits. Serious (sometimes fatal) side effects have rarely occurred in mothers taking terbutaline during labor, such as chest pain, fast/irregular heartbeats, and trouble breathing. If you are pregnant or become pregnant and are taking terbutaline for another medical condition (such as asthma), talk to your doctor or pharmacist about whether terbutaline is still right for you.Show More
Terbutaline is used to treat wheezing and shortness of breath from lung problems (e.g., asthma, chronic obstructive pulmonary disease, bronchitis and emphysema). Controlling these symptoms can decrease time lost from work or school. Terbutaline belongs to a class of drugs known as bronchodilators. It works by relaxing the muscles around the airways so that they open up and you can breathe more easily.
How to use Brethine Tablet
Take this medication by mouth with or without food, usually 3 times daily or as directed by your doctor. Dosage is based on your medical condition and response to therapy. Adults and children older than 15 should not take more than 15 milligrams daily. Children aged 12-15 should not take more than 7.5 milligrams daily. For children under 12, follow the doctor's directions for daily limits.
Take this medication exactly as prescribed. Do not take more of this medication or take it more often than recommended by your doctor. If you have been directed to use this medication on a daily schedule, use it regularly at the same times each day in order to get the most benefit from it.
If you notice less effect than usual from this medication, if your symptoms get worse, or if you feel you need to take any of your asthma medications more often than recommended, seek immediate medical attention.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if this rare but very serious side effect occurs: seizures.
Rarely, this medication has caused severe (rarely fatal), sudden worsening of breathing problems/asthma (paradoxical bronchospasm). If you experience sudden wheezing, seek immediate medical attention.
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. See Warning Section.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking terbutaline, tell your doctor or pharmacist if you are allergic to it; or to similar bronchodilators (e.g., albuterol, metaproterenol, salmeterol); or to sympathomimetic drugs (e.g., epinephrine, pseudoephedrine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart disease (e.g., abnormal heartbeat, ischemic heart disease, high blood pressure), seizures, overactive thyroid (hyperthyroidism), diabetes, low blood potassium level (hypokalemia).
This drug may make you dizzy or drowsy. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
The elderly may be at greater risk for the effects on the heart while using this drug.
This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. See Warning Section.
Terbutaline passes into breast milk. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: unusual dizziness, dry mouth, severe headache, seizures, very fast heartbeat, severe nausea.
Do not share this medication with others.
Laboratory and/or medical tests may be performed regularly to monitor your progress or check for side effects. Consult your doctor for more details.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature between 59-86 degrees F (15-30 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.Information last revised April 2020. Copyright(c) 2020 First Databank, Inc.
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