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4RX Store > Medication List > Asthma drugs > Order Brethine online

Asthma Medication (Brethine)

Generic name:
Brand name:
Brethine is a medication based on Terbutaline. This formulation is used for various purposes but at this webpage, we sell the formulation designed to be used for the conditions in which bronchospasms can occur such as asthma, status asthmaticus, bronchitis, and lung emphysema. Find out how to use it properly for each condition, what to expect in an overdose, and other helpful information from the article below this short description.
Asthma, Status asthmaticus, Obstructive bronchitis, Lung emphysema
The medication helps to diminish the symptoms of the diseases that obstruct bronchi
Briancyl, Brethaire, Brican, Bricanyl, Bricar, Bricaril, Bricyn
Brethine (Generic Terbutaline)
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Order Generic Terbutaline Buy Brethine 2.5mg

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  Generic Medication guide:

What is Brethine and when is it used?

The medicinal product sold under the name Brethine is based on a chemical substance Terbutaline that has mucolytic, anti-allergic, and bronchodilator effects. It is as well sold under other names and to find it you have to look for generic Brethine and opt for the medication with the active substance Terbutaline indicated under the trademark. The reason for looking for an alternative with the same ingredients when you have to buy Brethine is that the less known the name of the medication is, the less expensive it is.

The indications for the product use are:
- Bronchial asthma;
- Acute severe asthma (status asthmaticus);
- Obstructive bronchitis;
- Lung emphysema;
- Acute heart failure;
- Fibrous cystitis;
- Primary dysmenorrhea;
- The threat of premature birth;
- Fetal distress syndrome.

As you can see, the indications for the drug are quite different so are also the circumstances and conditions it is used in. For instance, in gynecological disorders such as the danger of premature birth or fetal distress, it is used at a hospital while for lung diseases it is used at home for extended time intervals. Consult your therapist about how and for how long you should use the formulation even though you can buy generic Brethine without Rx from an online drugstore.

Drug information
Drug names Brethine, Terbutaline, Briancyl, Brethaire, Brican, Bricanyl, Bricar, Bricaril, Bricyn, and other
Protein binding 25%
Metabolism GI tract (oral), liver; CYP450: unknown
Elimination half-life 11-16 hours
Excretion urine 90% (60% unchanged), bile/faeces

When is Brethine prohibited to be used?

The formulation use as a bronchodilator is prohibited when a woman expects a baby and for children under 12 years of age.
For all purposes, it is contraindicated to take Terbutaline in allergy or elevated sensitivity to any components of the medication.
If you have any other conditions, inform your doctor before you start the therapy with the formulation.

Brethine use and dosing

The medication is used in respiratory therapy, cardiology, and gynecology. In this article, we discuss its use only as a bronchodilator, i.e. the medication that dilates the bronchial lumen. It is used in a form of pills or inhaler.
- Adults are usually appointed 1-2 2.5 mg tablets taken one, two, or three times a day.
- Kids aged from three to seven years are given 1⁄4-1/2 of a regular pill two or three times a day.
- Kids aged from seven to fifteen years are given a half of the regular pill two to three times a day.
Sometimes the therapy of asthma is started with the under skin injection of a half of the vial (0.25 mg) twice or thrice a day (adults) and then the patient is transferred to pills.
Please note that these recommendations are general and are taken from the package insert. In order to use the medication safely and effectively, the dosage and duration of the therapy must be selected by a doctor based on the individual patient’s peculiarities.

Overdose of the medication

If a patient overdoses, he or she may start having tremor, confusion, seizures, headaches, increased sweating, tachycardia, arrhythmia, premature heartbeat, hypotension, nausea, vomiting, and hyperglycemia alternating with hypoglycemia.
The treatment requires gastric lavage, use of sorbents, and maintenance of the vital functions.

Adverse reactions that can be caused by Brethine

The possible adverse reactions to the medication use include:
- Anxiety;
- Insomnia;
- Headache;
- Dizziness;
- Tremor;
- Sweating;
- Weakness;
- Tachycardia (rapid heartbeat);
- Heart rhythm violation;
- Nausea;
- Vomiting;
- Heartburn;
- Unpleasant taste in the mouth;
- Allergic reactions, etc.

Adverse reactions to Brethine (Terbutaline) use

Adverse reaction
0.25 mg (% of patients)
Terbutaline 0.5 mg (% of patients)
Chest discomfort
Flushed feeling
Pain at injection site

Interactions of the medication

Before you buy Terbutaline and start the treatment, make sure to check with your physician that you don’t take any medicines which effect can be impacted by this medication.
For instance, this bronchodilator enhances the effect of other adrenomimetics (stimulants of adrenergic receptors).
Terbutaline can increase the likelihood of negative effects of tricyclic antidepressants and MAO inhibitors.
Adrenergic blockers, especially beta adrenolytics significantly diminish the effect of the bronchodilator.


Since the medication is strictly prohibited for pregnant women unless it is prescribed by their obstetrician, the use of Terbutaline as a bronchodilator is possible only if pregnancy is excluded.
If a patient develops bronchospasm as a hypersensitivity reaction to the inhalator based on Terbutaline, the medication must be excluded from the therapy.
The drug must be appointed by the respiratory specialist only if the first-line medications are not sufficiently effective.

Where to buy Brethine?

You can get the medication cheaper if you order generic Brethine from our med store that specializes in the international selling of high-quality generics without Rx and at affordable prices.

Shipping of Brethine

4RXstore ships all drugs internationally including to the U.S., UK, Australia, and so on within 7-25 days.

Free prescription
Our doctor prescribes online for free, and there is no doctor’s consultation fee.

Discrete packaging
All orders arrive in discrete unmarked parcels. We leave the shipment description blank.

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