BrethineGeneric Name: Terbutaline
Brethine are used for:
Treating or preventing symptoms caused by spasms or contractions of the muscles around the bronchioles (air tubes) associated with asthma, bronchitis, and emphysema. It may also be used for other conditions as determined by your doctor.
Brethine are a bronchodilator. It works by dilating (opening) the bronchioles of the lungs by relaxing the muscles around them. This allows for easier airflow into and out of the lungs.
Do NOT use Brethine if:
- you are allergic to any ingredient in Brethine
Contact your doctor or health care provider right away if any of these apply to you.
Before using Brethine:
Some medical conditions may interact with Brethine. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have heart disease, an irregular heartbeat, high blood pressure, an overactive thyroid, diabetes, a history of seizures, or an adrenal gland tumor
Some MEDICINES MAY INTERACT with Brethine. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Catechol-O-methyltransferase (COMT) inhibitors (eg, entacapone), droxidopa, monoamine oxidase (MAO) inhibitors (eg, phenelzine), or tricyclic antidepressants (eg, amitriptyline) because the risk of side effects, such as life-threatening irregular heartbeat, may be increased
- Diuretics (eg, furosemide) because the risk of their side effects may be increased by Brethine
- Beta-blockers (eg, propranolol) because they may decrease Brethine's effectiveness
- Insulin because its effectiveness may be decreased by Brethine
This may not be a complete list of all interactions that may occur. Ask your health care provider if Brethine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Brethine:
Use Brethine as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Brethine by mouth with or without food.
- If you miss a dose of Brethine, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Brethine.
Important safety information:
- Brethine may cause drowsiness or dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use Brethine with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- If your breathing problems do not improve or if they get worse after using Brethine, you should contact your doctor immediately.
- Diabetes patients - Brethine may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
- Check with your doctor or pharmacist before taking Brethine if you have taken an MAO inhibitor (eg, phenelzine) or a tricyclic antidepressant (eg, amitriptyline) within the last 2 weeks. The effects of these medicines are long lasting and may still interact with Brethine.
- Brethine should not be used in CHILDREN younger than 12 years old; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Brethine while you are pregnant. It is not known if Brethine are found in breast milk. If you are or will be breast-feeding while you use Brethine, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of Brethine:
All medicines may cause side effects, but many people have no, or minor side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Difficulty sleeping; dizziness; drowsiness; headache; nausea; nervousness.Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); fast heartbeat; increased difficulty breathing; pounding in the chest; seizures; tremor; wheezing.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately. Symptoms may include anxiety; chest pain; chills; depression; dizziness; drowsiness; fast or irregular heartbeat; fever; gasping; headache; muscle cramps; nausea; nervousness; seizures; suicidal behavior or thoughts; sweating; unconsciousness; vomiting.Proper storage of Brethine:
Store Brethine at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Brethine out of the reach of children and away from pets.
- If you have any questions about Brethine, please talk with your doctor, pharmacist, or other health care provider.
- Brethine are to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
This information is a summary only. It does not contain all information about Brethine. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
- Brethine Detailed Consumer Information (PDR)
- Brethine Advanced Consumer (Micromedex) - Includes Dosage Information
- Brethine Concise Consumer Information (Cerner Multum)
- Terbutaline Prescribing Information (FDA)
- Brethaire Concise Consumer Information (Cerner Multum)