AAI Pharmaceuticals | Brethine (Medication)


Brethine/terbutaline is a bronchodilator. It works by dilating the bronchioles of the lungs by relaxing the muscles around them. This allows for easier airflow into and out of the lungs.

Brethine is treating or preventing symptoms caused by spasms or contractions of the muscles around the bronchioles associated with asthma, bronchitis, and emphysema. It may also be used for other conditions as determined by your doctor. ...

Side Effect:

Seek immediate medical attention if you experience any symptoms of a serious allergic reaction may include:rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. ...


Before taking this medicine, tell your doctor if you are allergic to terbutaline or to similar bronchodilators or to sympathomimetic drugs (epinephrine, pseudoephedrine) or if you have any other allergies.

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. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

The elderly may be at greater risk for the effects on the heart while using this drug.

During pregnancy and breastfeeding is not recommended to use this medicine without your doctor's advice. ...