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Tiotropium: Brands, Price & Uses in Bangladesh
Tiotropium is a long-acting anticholinergic (antimuscarinic) bronchodilator delivered by oral inhalation.
About Tiotropium
Indications of Tiotropium
Tiotropium is a long-acting anticholinergic (antimuscarinic) bronchodilator delivered by oral inhalation. Its uses are classified below by strength of evidence:
- Established/FDA-approved use — Chronic Obstructive Pulmonary Disease (COPD): Long-term, once-daily maintenance treatment of bronchospasm associated with COPD, including chronic bronchitis and emphysema, and for reducing COPD exacerbations.
- Established/FDA-approved use — Asthma (add-on therapy): Tiotropium (mist inhaler formulation) is indicated as add-on maintenance treatment in patients with asthma who remain symptomatic despite use of inhaled corticosteroids, with or without additional long-acting beta-agonist (LABA) therapy. It is used in combination with, not as a substitute for, inhaled corticosteroid-based therapy.
Tiotropium is not a rescue medication. It has a slow onset of action and is not indicated for the initial treatment of acute episodes of bronchospasm, i.e., as rescue therapy for sudden shortness of breath.
Dosage & Administration of Tiotropium
Dosage by Indication
| Indication | Population | Typical Dose |
|---|---|---|
| COPD maintenance (dry powder capsule inhaler) | Adults | Contents of one 18 mcg capsule, inhaled once daily via the inhalation device, at the same time each day. |
| COPD maintenance (soft mist inhaler) | Adults | 2 inhalations (puffs) once daily, at the same time each day, delivering a total dose of 5 mcg of Tiotropium. |
| Asthma, add-on maintenance therapy (soft mist inhaler only) | Adults and adolescents/children ≥6 years (per approved labeling for this indication) | 2 inhalations once daily, at the same time each day, as add-on to inhaled corticosteroid-based therapy. |
Renal impairment: Tiotropium is predominantly renally eliminated; patients with moderate-to-severe renal impairment (creatinine clearance ≤60 mL/min) should be monitored closely for anticholinergic side effects, as systemic exposure is increased, although no specific dose reduction has been formally established.
Hepatic impairment: No dose adjustment is considered necessary, as Tiotropium undergoes minimal hepatic metabolism.
Administration
Tiotropium is for oral inhalation only and must never be swallowed or injected. Capsules must not be swallowed — they are placed into the inhalation device provided, punctured within the device, and the released powder is inhaled through the mouthpiece; capsules should be kept in the blister and removed immediately before use, protected from moisture. The soft mist inhaler cartridge must be inserted and primed according to the manufacturer's instructions before first use. Tiotropium is a once-daily, fixed-schedule maintenance medication and should be taken at the same time each day; it should not be used more often than prescribed, and additional doses do not provide additional benefit for acute symptoms.
Side Effects of Tiotropium
The most commonly reported adverse effects of Tiotropium are related to its local and systemic anticholinergic action:
- Very common/common: dry mouth (the most frequently reported effect), upper respiratory tract infection symptoms, sinusitis, and pharyngitis.
- Common: constipation, cough, dizziness, and urinary tract infection.
- Uncommon: urinary retention or difficulty voiding (particularly in patients with pre-existing bladder outlet obstruction or prostatic hyperplasia), blurred vision, tachycardia, and epistaxis.
- Rare but serious: paradoxical bronchospasm (a sudden worsening of wheeze/breathlessness immediately after use — treatment should be discontinued and alternative therapy sought if this occurs), acute angle-closure glaucoma or worsening of narrow-angle glaucoma from ocular contact, angioedema and other hypersensitivity reactions (see Contraindications), and, in patients with underlying cardiac disease, cardiac arrhythmias.
Contraindications of Tiotropium
Tiotropium is contraindicated in patients with a known hypersensitivity to Tiotropium, atropine or its derivatives (such as ipratropium), or to any component of the specific formulation. Reported hypersensitivity reactions have included urticaria, angioedema (including of the pharynx, larynx, tongue, lips, and face), anaphylaxis, and bronchospasm, some occurring after the first dose.
Frequently Asked Questions about Tiotropium
What is Tiotropium used for?
Tiotropium is a long-acting inhaled anticholinergic bronchodilator used for once-daily maintenance treatment of chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema, and, in a specific soft mist inhaler formulation, as add-on maintenance therapy for asthma in patients who remain symptomatic on inhaled corticosteroid-based treatment.
Can Tiotropium be used to relieve a sudden asthma or COPD flare-up?
No. Tiotropium has a slow onset of action and is a once-daily maintenance medication, not a rescue inhaler. It must not be used for the initial treatment of acute, sudden shortness of breath or wheezing — a fast-acting rescue bronchodilator prescribed by your doctor should be used for that purpose, and Tiotropium should be continued on its regular schedule.
Who should not use Tiotropium?
Tiotropium should not be used by anyone with a known hypersensitivity (allergy) to Tiotropium itself, to atropine, or to related anticholinergic derivatives such as ipratropium, as this can cause reactions such as swelling of the face, lips, tongue, or throat (angioedema), hives, or a severe allergic reaction. Always tell your doctor about any known drug allergies before starting Tiotropium.
What are the common side effects of Tiotropium?
The most common side effect of Tiotropium is dry mouth. Other reported effects include constipation, cough, symptoms of upper respiratory or urinary tract infection, dizziness, and, less commonly, blurred vision or difficulty passing urine, especially in men with an enlarged prostate. If you notice sudden worsening of wheezing or breathing difficulty right after using Tiotropium (paradoxical bronchospasm), stop use and contact your doctor immediately.
Is Tiotropium safe to use during pregnancy or breastfeeding?
There is limited human data on Tiotropium in pregnancy and breastfeeding. Because only a small amount of the drug is absorbed into the bloodstream after inhaled use, exposure to a fetus or breastfed infant is expected to be low, but Tiotropium should be used during pregnancy or breastfeeding only if your physician determines that the benefit outweighs any potential risk. Always consult your doctor before using Tiotropium if you are pregnant, planning pregnancy, or breastfeeding.
Can Tiotropium be used in children?
Tiotropium is not approved for pediatric COPD, since COPD is a disease of adults. However, the soft mist inhaler formulation of Tiotropium is approved as an add-on asthma treatment in children 6 years of age and older who remain symptomatic despite inhaled corticosteroid therapy, at the same dose used in adults. Tiotropium has not been studied and is not approved for children under 6 years of age, and pediatric use should always be directed by a doctor.
Disclaimer
The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.