Terbutaline + Theophylline is used to relieve and prevent breathing difficulties caused by narrowed airways. It belongs to the bronchodilator and methylxanthine class of medicines and is primarily used in asthma, chronic obstructive pulmonary disease (COPD), and bronchitis.
This combination is commonly used for:
• Bronchial asthma: Relieves wheezing, chest tightness, and shortness of breath by widening the airways.
• Chronic obstructive pulmonary disease (COPD): Eases breathing difficulty in conditions such as chronic bronchitis and emphysema.
• Chronic bronchitis: Reduces airway narrowing and helps clear mucus, making breathing easier.
• Bronchospasm: Relaxes the muscles around the airways to relieve sudden breathing difficulty.
• Emphysema: Helps widen the airways to improve airflow and reduce breathlessness.
Nervousness or restlessness
Headache or dizziness
Rapid heart rate or palpitations
Stomach upset
Terbutaline + Theophylline works through two complementary mechanisms to widen the airways and ease breathing.
Terbutaline is a beta-2 adrenergic agonist. It stimulates beta-2 receptors in the smooth muscle of the airways, activating an enzyme called adenylate cyclase. This raises levels of cyclic AMP inside the muscle cells, causing the airway muscles to relax and the airways to widen.
Theophylline is a methylxanthine that inhibits an enzyme called phosphodiesterase, which normally breaks down cyclic AMP. By preventing this breakdown, Theophylline further relaxes the airway muscles. It also has mild anti-inflammatory effects and strengthens the contraction of the diaphragm, improving overall breathing.
Together, Terbutaline and Theophylline provide effective bronchodilation and sustained relief from bronchospasm.

Doctor of Medicine

BAMS, FMC, MD Resident
Terbutaline + Theophylline is taken orally (tablets, besides extended-release capsules, and syrup).
This combination medicine is typically prescribed for adults and children over 12 years of age. The exact dose and duration of treatment would be determined by the doctor based on the specific patient's condition and response to treatment.
Terbutaline + Theophylline is contraindicated in patients with known hypersensitivity to either terbutaline or theophylline.
It is also contraindicated in patients with conditions like uncontrolled hypertension, active peptic ulcer disease, tachyarrhythmias, and seizure disorders.
This combination may interact with beta-blockers (such as propranolol, metoprolol), diuretics (like hydrochlorothiazide, furosemide), monoamine oxidase inhibitors (like selegiline, phenelzine), several antibiotics (such as erythromycin and clarithromycin), anti-epileptics (such as phenytoin).
Most side effects of this medication are transient and resolve once you discontinue the medication. However, if you experience severe side effects or worsening of symptoms, please consult your doctor.
Drinking plenty of water can help manage some side effects like dry mouth and constipation.
Maintaining a regular sleep schedule can help manage insomnia induced by this medicine.
Terbutaline + Theophylline may cause dizziness or nervousness which can affect your ability to drive or operate heavy machinery. Avoid such activities if you experience these side effects.
This medication should be used during pregnancy or while breastfeeding only if prescribed by your doctor. It's crucial to consult your doctor before using this medicine in these conditions.
Patients with a history of cardiovascular disease, hypertension, hyperthyroidism, peptic ulcers, diabetes, glaucoma, and difficulty urinating due to an enlarged prostate should exercise caution when taking Terbutaline + Theophylline.
Maintain a balanced diet rich in fruits, vegetables, lean proteins, and whole grains to keep your immune system strong.
Regular physical activity helps keep your lungs healthy. You could engage in low-intensity activities like walking or cycling.
Ensure you get enough rest every night as insufficient sleep may exacerbate some side effects like insomnia and restlessness.
Frequently asked questions
No, Terbutaline + Theophylline is not a steroid. Terbutaline is a bronchodilator and Theophylline is a methylxanthine medicine. Both are used to manage respiratory conditions like asthma, COPD, and bronchitis by relaxing the muscles in the airways and reducing inflammation.
There could be potential effects on sleep as some patients may experience side effects like restlessness, nervousness, and insomnia while taking this medicine. If you face any such issues, please consult your doctor.
Terbutaline + Theophylline is not associated with affecting fertility. However, if you have concerns about fertility while taking this medicine, please discuss them with your doctor.
The onset of action is typically around 30 minutes with peak effects in about 2 hours. However, these timings may vary depending on individual body responses and the specific formulation of the medicine used.
The best time to take Terbutaline + Theophylline would be as instructed by your doctor. Your doctor will prescribe a dosage schedule based on your specific medical condition, the severity of your symptoms, and your overall health.
Terbutaline + Theophylline is a prescribed medication and is not usually available over the counter. Always consult your doctor before starting any new medication.
Taking Terbutaline + Theophylline daily can be safe under a doctor's supervision but may cause side effects like jitteriness or increased heart rate. Regular monitoring is important.
Terbutaline + Theophylline in other salts
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