Terbutaline

Brand Names: Bricanyl Turbuhaler

Prescription Needed: Yes

What is this drug used for?

Terbutaline is used to prevent and treat breathing problems associated with asthma chronic bronchitis and emphysema. It works by relaxing the muscles in the airways of the lungs making it easier to breathe.

Is there any reason not to take this drug?

You should not take this drug if you are allergic to terbutaline. Tell your doctor if you have or have ever had:

  • diabetes
  • heart problems
  • high blood pressure
  • hyperthyroidism (overactive thyroid gland)
  • kidney problems
  • low amounts of potassium in the body
  • seizures

What about possible side effects?

Some side effects are:

  • throat irritation
  • headache
  • anxiety
  • nausea or vomiting
  • tremors

These side effects usually go away with time or with a slower increase to your target dose.

Other less common side effects and potentially serious side effects include:

  • palpitations
  • muscle cramps
  • increased difficulty breathing

This is not a complete list of side effects. If you are concerned about these or other unusual symptoms while taking this medication ask your doctor and/or pharmacist for more information and advice.

What if I am taking other drugs?

Always provide your doctor with a list of all other drugs you are taking (including over-the-counter medications and herbal/natural products) as they may interact with and/or may change the safety or effectiveness of either drug. Tell your doctor specifically if you are taking any of these drugs as he/she may need to make changes or monitor you more closely:

  • Medications in the classes of amphetamines epinephrine phenylephrine or pseudoephedrine - they may increase the effects of terbutaline and/or the other drugs. Many nonprescription products contain these medications (e.g. diet pills and medications for colds and asthma). Talk to your doctor or pharmacist
  • Beta blockers (e.g. metoprolol timolol) - may reduce the effects of terbutaline.
  • Monoamine oxidase inhibitors (MAOIs) such as selegiline phenelzine moclobemide - can cause a dangerous increase in blood pressure when given together with terbutaline or within 2 weeks after stopping MAOI.

Your doctor may need to make changes or monitor you more closely. If in doubt ask your doctor or pharmacist to review your list of medications.

Other information

How to take: Terbutaline is administered with an inhaler and is used when required. Ask your pharmacist to review the proper technique using an inhaler.

Children: Lower dose necessary. Not recommended for children under 6 years of age.

Seniors: May be more sensitive to effects. Lower dose may be necessary especially at the start of therapy.

Pregnant women: Has been used. Discuss the risks and benefits with your doctor.

Women who are nursing: Passes into breast milk. Talk to your doctor.

People who drive or operate machinery: Should not do so until they know how this drug affects them personally; may cause unsteady hands.

Alcohol: If you drink always drink in moderation.

Overdose: If you have taken a large overdose and/or notice any unusual symptoms see a doctor.

Stopping the drug: This medication is usually used for fast relief of shortness of breath.

If you miss a dose: Take as required but never double dose.

Storage conditions: Closed container; cool dry location away from excess moisture (not in the bathroom) and light; always out of reach of children. Follow safety recommendations on the container.

Dietary precautions: No specific recommendations.