Brethine is a bronchodilator (a medication that opens the bronchial tubes), prescribed for the prevention and relief of bronchial spasms in asthma.
If you experience an immediate allergic reaction or a worsening of a bronchial spasm, notify your doctor immediately.
This medication is prescribed for the relief of bronchial spasm associated with bronchitis and emphysema.
Brethine side effects that you should report to your health care professional or doctor as soon as possible:
More common side effects may include:
- Rapid heartbeat;
- Pain at injection site;
- Increased heart rate;
- Fluttery heartbeat;
- Flushed feeling;
- Difficulty in breathing;
- Chest discomfort;
Less common side effects may include:
- Muscle cramps;
- Dry mouth;
Rare side effects may include:
- Inflamed blood vessels;
Brethine is contraindicated if you have any of the following conditions:
- If you are sensitive to or have ever had an allergic reaction to brethine or similar drugs such as ventolin;
- If you find that brethine is not working;
- If you have an irregular heart rate;
- If you have an overactive thyroid gland;
- If you have diabetes;
- If you have had seizures at any time;
- If you have heart disease;
- If you have high blood pressure;
Do not take Brethine with any of the following drugs:
- Tricyclic antidepressant drugs such as elavil and tofranil;
- Other bronchodilators such as proventil and ventolin;
- Diuretics (water pills, such as lasix or hydrodiuril);
- Beta blockers (blood pressure medications such as inderal and tenormin);
- Antidepressant drugs known as mao inhibitors (nardil, parnate, others);
For children 12 to 15 years of age, the usual dose is 2.5 milligrams, 3 times per day, not to exceed a total of 7.5 milligrams in a 24-hour period.
This medication is not recommended for use in children below 12 years of age.
If side effects are excessive, your doctor may reduce your dose to 2.5 milligrams, 3 times per day.
The usual tablet dose is 5 milligrams taken at approximately 6-hour intervals, 3 times per day during waking hours.
Do not take more than 15 milligrams in a 24-hour period.
Any drug taken or prescribed in excess can have serious consequences.
Signs of a Brethine overdose are the same as the side effects.
If you suspect an overdose, seek medical attention immediately.