DRUGS & SUPPLEMENTS

Terbutaline

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Terbutaline uses


INDICATIONS AND USAGE

Terbutaline is indicated for the prevention and reversal of bronchospasm in patients 12 years of age and older with asthma and reversible bronchospasm associated with bronchitis and emphysema.

CONTRAINDICATIONS

1. Tocolysis

Oral Terbutaline has not been approved and should not be used for acute or maintenance tocolysis. [see Boxed Warning: Tocolysis .]

2. Hypersensitivity

Terbutaline is contraindicated in patients known to be hypersensitive to sympathomimetic amines or any component of this drug product.

WARNINGS

Deterioration of Asthma

Asthma may deteriorate acutely over a period of hours or chronically over several days or longer. If the patient needs more doses of Terbutaline than usual, this may be a marker of destabilization of asthma and requires reevaluation of the patient and the treatment regimen, giving special consideration to the possible need for anti-inflammatory treatment, e.g., corticosteroids.

Use of Anti-Inflammatory Agents

The use of beta-adrenergic agonist bronchodilators alone may not be adequate to control asthma in many patients. Early consideration should be given to adding anti-inflammatory agents, e.g., corticosteroids.

Cardiovascular Effects

Terbutaline, like all other beta-adrenergic agonists, can produce a clinically significant cardiovascular effect in some patients as measured by pulse rate, blood pressure, and/or symptoms. Although such effects are uncommon after administration of Terbutaline at recommended doses, if they occur, the drug may need to be discontinued. In addition, beta-agonists have been reported to produce electrocardiogram (ECG) changes, such as flattening of the T wave, prolongation of the QTc interval, and ST segment depression. The clinical significance of these findings is unknown. Therefore, Terbutaline, like all sympathomimetic amines, should be used with caution in patients with cardiovascular disorders, especially coronary insufficiency, cardiac arrhythmias, and hypertension.

Seizures

There have been rare reports of seizures in patients receiving terbutaline; seizures did not recur in these patients after the drug was discontinued.

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PRECAUTIONS

General

Terbutaline, as with all sympathomimetic amines, should be used with caution in patients with cardiovascular disorders, including ischemic heart disease, hypertension, and cardiac arrhythmias; hyperthyroidism; diabetes mellitus; hypersensitivity to sympathomimetic amines; and convulsive disorders. Significant changes in systolic and diastolic blood pressure have been seen and could be expected to occur in some patients after use of any beta-adrenergic bronchodilator.

Immediate hypersensitivity reactions and exacerbation of bronchospasm have been reported after terbutaline administration.

Beta-adrenergic agonist medications may produce significant hypokalemia in some patients, possibly through intracellular shunting, which has the potential to produce adverse cardiovascular effects. The decrease is usually transient, not requiring supplementation.

Large doses of intravenous Terbutaline have been reported to aggravate preexisting diabetes and ketoacidosis.

Information for Patients

The action of Terbutaline should last up to 6 hours or longer. Terbutaline should not be used more frequently than recommended. Do not increase the dose or frequency of Terbutaline without consulting your physician. If you find that treatment with Terbutaline becomes less effective for symptomatic relief, your symptoms become worse, and/or you need to use the product more frequently than usual, you should seek medical attention immediately. While taking Terbutaline, other inhaled drugs and asthma medications should be taken only as directed by your physician. Common adverse effects include palpitations, chest pain, rapid heart rate, tremor or nervousness. If you are pregnant or nursing, contact your physician about use of Terbutaline. Effective and safe use of Terbutaline includes an understanding of the way that it should be administered.

Drug Interactions

The concomitant use of Terbutaline with other sympathomimetic agents is not recommended, since the combined effect on the cardiovascular system may be deleterious to the patient. However, this does not preclude the use of an aerosol bronchodilator of the adrenergic-stimulant type for the relief of an acute bronchospasm in patients receiving chronic oral therapy with Terbutaline.

Monoamine Oxidase Inhibitors and Tricyclic Antidepressants

Terbutaline should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors or tricyclic antidepressants, or within 2 weeks of discontinuation of such agents, since the action of Terbutaline on the vascular system may be potentiated.

Beta-Blockers

Beta-adrenergic receptor blocking agents not only block the pulmonary effect of beta-agonists, such as Terbutaline, but may produce severe bronchospasm in asthmatic patients. Therefore, patients with asthma should not normally be treated with beta-blockers. However, under certain circumstances, e.g., as prophylaxis after myocardial infarction, there may be no acceptable alternatives to the use of beta-adrenergic blocking agents in patients with asthma. In this setting, cardioselective beta-blockers could be considered, although they should be administered with caution.

Diuretics

The ECG changes and/or hypokalemia that may result from the administration of non-potassium sparing diuretics can be acutely worsened by beta-agonists, especially when the recommended dose of the beta-agonist is exceeded. Although the clinical significance of these effects is not known, caution is advised in the co-administration of beta-agonists with non-potassium sparing diuretics.

Carcinogenesis, Mutagenesis, Impairment of Fertility

In a 2-year study in Sprague-Dawley rats, Terbutaline caused a significant and dose-related increase in the incidence of benign leiomyomas of the mesovarium at dietary doses of 50 mg/kg, and above (approximately 25 times the maximum recommended daily oral dose for adults on a mg/m2 basis). In a 21-month study in CD-1 mice, Terbutaline showed no evidence of tumorigenicity at dietary doses up to 200 mg/kg (approximately 55 times the maximum recommended daily oral dose for adults on a mg/m2 basis). The mutagenicity potential of Terbutaline has not been determined.

Reproduction studies in rats using Terbutaline demonstrated no impairment of fertility at oral doses up to 50 mg/kg (approximately 25 times the maximum recommended daily oral dose for adults on a mg/m2 basis).

Pregnancy

Teratogenic Effects

Pregnancy Category C

There are no adequate and well-controlled studies of Terbutaline in pregnant women. Published animal studies show that rat offspring exhibit alterations in behavior and brain development, including decreased cellular proliferation and differentiation when dams were treated subcutaneously with terbutaline during the late stage of pregnancy and lactation period. Terbutaline exposures in rat dams were approximately 6.5 times the common human dose in adults of 15 mg/day, on a mg/m2 basis.

Oral Terbutaline has not been approved and should not be used for acute or maintenance tocolysis. In particular, Terbutaline should not be used for tocolysis in the outpatient or home setting. Serious adverse reactions, including death, have been reported after administration of Terbutaline to pregnant women. In the mother, these adverse reactions include increased heart rate, transient hyperglycemia, hypokalemia, cardiac arrhythmias, pulmonary edema and myocardial ischemia. Increased fetal heart rate and neonatal hypoglycemia may occur as a result of maternal administration. [See Boxed Warning: Tocolysis and Contraindications, Tocolysis .]

In animal embryofetal developmental studies, no teratogenic effects were observed in offspring when pregnant rats and rabbits received Terbutaline at oral doses up to 50 mg/kg/day, approximately 32 and 65 times, respectively, the maximum recommended daily oral dose for adults, on a mg/m2 basis.

Terbutaline should be used during pregnancy only if the potential benefit justifies 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 for relief of bronchospasm during labor should be restricted to those patients in whom the benefits clearly outweigh the risk.

Terbutaline crosses the placenta. After single dose IV administration of terbutaline to 22 women in late pregnancy who were delivered by elective Cesarean section due to clinical reasons, umbilical blood levels of terbutaline were found to range from 11% to 48% of the maternal blood levels.

Nursing Mothers

It is not known whether this drug is excreted in human milk. 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 did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.

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ADVERSE REACTIONS

Adverse reactions observed with Terbutaline are similar to those commonly seen with other sympathomimetic amines. All of these reactions are generally transient in nature and usually do not require treatment. The frequency of these side effects appears to diminish with continued therapy.

The following table lists the adverse reactions seen in 199 patients treated with Terbutaline tablets during six double-blind crossover studies and four double-blind parallel studies (short- and long-term) performed in the United States.

Reaction %
Nervous System
Nervousness 35.0
Tremor 15.0
Somnolence 5.5
Dizziness 3.5
Anxiety 1.0
Insomnia 1.5
Cardiovascular
Palpitations 5.0
Tachycardia 3.5
Extrasystoles ventricular 1.5
Vasodilations 1.0
Digestive
Nausea 3.0
Dry mouth 1.5
Body as a Whole
Headache 7.5
Asthenia 2.0
Skin and Appendages
Sweating 1.0

The following adverse effects each occurred in fewer than 1% of patients: hallucinations, rash, paresthesia, hypertonia, (muscle cramps), vomiting.

There have been rare reports of elevations in liver enzymes and of hypersensitivity vasculitis.

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DOSAGE AND ADMINISTRATION

Adults

The usual oral dose of Terbutaline for adults is 5 mg administered at approximately six-hour intervals, three times daily, during the hours the patient is usually awake. If side effects are particularly disturbing, the dose may be reduced to 2.5 mg three times daily, and still provide a clinically significant improvement in pulmonary function. The total dose within 24 hours should not exceed 15 mg.

Children

Terbutaline is not recommended for use in children below the age of 12 years. A dosage of 2.5 mg three times daily is recommended for children 12-15 years of age. The total dose within 24 hours should not exceed 7.5 mg.

If a previously effective dosage regimen fails to provide the usual relief, medical advice should be sought immediately as this is often a sign of seriously worsening asthma that would require reassessment of therapy.

OVERDOSAGE

The median subcutaneous lethal dose of Terbutaline in mature rats is approximately 165 mg/kg (approximately 90 times the maximum recommended daily oral dose for adults on a mg/m2 basis). The median subcutaneous lethal dose of Terbutaline in young rats is approximately 2000 mg/kg (approximately 1100 times the maximum recommended daily oral dose for adults on a mg/m2 basis).

The expected symptoms with overdosage are those of excessive beta-adrenergic stimulation and/or occurrence or exaggeration of any of the symptoms listed under ADVERSE REACTIONS , e.g., seizures, angina, hypertension or hypotension, tachycardia with rates up to 200 beats per minute, arrhythmias, nervousness, headache, tremor, dry mouth, palpitation, nausea, dizziness, fatigue, malaise, and insomnia. Hypokalemia may also occur.

There is no specific antidote. Treatment consists of discontinuation of Terbutaline together with appropriate symptomatic therapy. The judicious use of a cardioselective beta-receptor blocker may be considered, bearing in mind that such medication can produce bronchospasm. There is insufficient evidence to determine if dialysis is beneficial for overdosage of Terbutaline.

In the alert patient who has taken excessive oral medication, the stomach should be emptied by induced emesis followed by lavage. In the unconscious patient, the airway should be secured with a cuffed endotracheal tube before lavage, and emesis should not be induced. Instillation of activated charcoal slurry may help reduce absorption of terbutaline. Adequate respiratory exchange should be maintained, and cardiac and respiratory support provided as needed. The patient should be monitored until signs and symptoms of overdosage have subsided.

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HOW SUPPLIED

Terbutaline tablets, USP are packaged in bottles of 100 and 1000 tablets. Descriptions of the 2.5 and 5 mg tablets follow:

Tablets 2.5 mg-round, white, scored (imprinted LCI over 1318)

Bottles of 100 NDC 0527-1318-01

Bottles of 1000 NDC 0527-1318-10

Tablets 5 mg-round, white, scored (imprinted LCI over 1311)

Bottles of 100 NDC 0527-1311-01

Bottles of 1000 NDC 0527-1311-10

Store at 20°C to 25°C (68°F to 77°F).

Dispense in a tight, light-resistant container as defined in the USP with a child-resistant closure

Distributed By:

Lannett Company, Inc.

Philadelphia, PA 19136

Made in the USA

CIB70314B

Rev. 02/16

Terbutaline pharmaceutical active ingredients containing related brand and generic drugs:

infoActive ingredient is the part of the drug or medicine which is biologically active. This portion of the drug is responsible for the main action of the drug which is intended to cure or reduce the symptom or disease. The other portions of the drug which are inactive are called excipients; there role is to act as vehicle or binder. In contrast to active ingredient, the inactive ingredient's role is not significant in the cure or treatment of the disease. There can be one or more active ingredients in a drug.


Terbutaline available forms, composition, doses:

infoForm of the medicine is the form in which the medicine is marketed in the market, for example, a medicine X can be in the form of capsule or the form of chewable tablet or the form of tablet. Sometimes same medicine can be available as injection form. Each medicine cannot be in all forms but can be marketed in 1, 2, or 3 forms which the pharmaceutical company decided based on various background research results.
Composition is the list of ingredients which combinedly form a medicine. Both active ingredients and inactive ingredients form the composition. The active ingredient gives the desired therapeutic effect whereas the inactive ingredient helps in making the medicine stable.
Doses are various strengths of the medicine like 10mg, 20mg, 30mg and so on. Each medicine comes in various doses which is decided by the manufacturer, that is, pharmaceutical company. The dose is decided on the severity of the symptom or disease.

Price
Brethine 2.5 mg tablet0.57 USD
Brethine 5 mg tablet0.83 USD
Bricanyl Turbuhaler 0.5 mg/dose Metered Inhalation Powder0.08 USD
Injectable; Injection; Terbutaline Sulfate 0.5 mg / ml
Injectable; Injection; Terbutaline Sulfate 1 mg / ml
Solution; Inhalation; Terbutaline Sulfate 10 mg / ml
Solution; Inhalation; Terbutaline Sulfate 2.5 mg / ml
Solution; Inhalation; Terbutaline Sulfate 5 mg / 2 ml
Syrup; Oral; Terbutaline Sulfate 1.5 mg / 5 ml
Tablets; Oral; Terbutaline Sulfate 2.5 mg
Tablets; Oral; Terbutaline Sulfate 5 mg
Terbutaline Sulfate 1 mg/ml vial12.99 USD
Terbutaline sulf 1 mg/ml vial4.8 USD
Terbutaline sulfate 2.5 mg tablet0.47 USD
Terbutaline sulfate 5 mg tablet0.63 USD
Terbutaline sulfate powder38.4 USD

Terbutaline destination | category:

infoDestination is defined as the organism to which the drug or medicine is targeted. For most of the drugs what we discuss, human is the drug destination.
Drug category can be defined as major classification of the drug. For example, an antihistaminic or an antipyretic or anti anginal or pain killer, anti-inflammatory or so.


Terbutaline Anatomical Therapeutic Chemical codes:

infoA medicine is classified depending on the organ or system it acts [Anatomical], based on what result it gives on what disease, symptom [Therapeutical], based on chemical composition [Chemical]. It is called as ATC code. The code is based on Active ingredients of the medicine. A medicine can have different codes as sometimes it acts on different organs for different indications. Same way, different brands with same active ingredients and same indications can have same ATC code.


Terbutaline pharmaceutical companies:

infoPharmaceutical companies are drug manufacturing companies that help in complete development of the drug from the background research to formation, clinical trials, release of the drug into the market and marketing of the drug.
Researchers are the persons who are responsible for the scientific research and is responsible for all the background clinical trials that resulted in the development of the drug.


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References

  1. Dailymed."TERBUTALINE SULFATE TABLET [LANNETT COMPANY, INC.]". https://dailymed.nlm.nih.gov/dailym... (accessed August 28, 2018).
  2. Dailymed."TERBUTALINE SULFATE: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailym... (accessed August 28, 2018).
  3. "terbutaline". https://pubchem.ncbi.nlm.nih.gov/co... (accessed August 28, 2018).

Frequently asked Questions

Can i drive or operate heavy machine after consuming Terbutaline?

Depending on the reaction of the Terbutaline after taken, if you are feeling dizziness, drowsiness or any weakness as a reaction on your body, Then consider Terbutaline not safe to drive or operate heavy machine after consumption. Meaning that, do not drive or operate heavy duty machines after taking the capsule if the capsule has a strange reaction on your body like dizziness, drowsiness. As prescribed by a pharmacist, it is dangerous to take alcohol while taking medicines as it exposed patients to drowsiness and health risk. Please take note of such effect most especially when taking Primosa capsule. It's advisable to consult your doctor on time for a proper recommendation and medical consultations.

Is Terbutaline addictive or habit forming?

Medicines are not designed with the mind of creating an addiction or abuse on the health of the users. Addictive Medicine is categorically called Controlled substances by the government. For instance, Schedule H or X in India and schedule II-V in the US are controlled substances.

Please consult the medicine instruction manual on how to use and ensure it is not a controlled substance.In conclusion, self medication is a killer to your health. Consult your doctor for a proper prescription, recommendation, and guidiance.

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Review

sDrugs.com conducted a study on Terbutaline, and the result of the survey is set out below. It is noteworthy that the product of the survey is based on the perception and impressions of the visitors of the website as well as the views of Terbutaline consumers. We, as a result of this, advice that you do not base your therapeutic or medical decisions on this result, but rather consult your certified medical experts for their recommendations.

Visitor reports

One visitor reported price estimates

What is your opinion about drug cost? Did you feel the cost is apt, or did you feel it is expensive?
The report given by the sDrugs.com website users shows the following figures about several people who felt the medicine Terbutaline is expensive, and the medicine is not expensive. The results are mixed. The perception of the cost of the medicine to be expensive or not depends on the brand name of the medicine, country, and place where it is sold, and the affordability of the patient. You can choose a generic drug in the place of the branded drug to save the cost. The efficiency of the medicine will not vary if it is generic or a branded one.
Visitors%
Expensive1
100.0%

One visitor reported frequency of use

How often in a day do you take the medicine?
Are you taking the Terbutaline drug as prescribed by the doctor?

Few medications can be taken Once in a day more than prescribed when the doctor's advice mentions the medicine can be taken according to frequency or severity of symptoms. Most times, be very careful and clear about the number of times you are taking the medication. The report of sDrugs.com website users about the frequency of taking the drug Terbutaline is mentioned below.
Visitors%
Once in a day1
100.0%

Two visitors reported age

Visitors%
> 601
50.0%
6-151
50.0%

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The information was verified by Dr. Arunabha Ray, MD Pharmacology

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