Oxitropium bromide

Oxitropium_bromide.svg

Oxitropium bromide is a bronchodilator medication used in the management of chronic obstructive pulmonary disease (COPD) and asthma. It belongs to the class of drugs known as anticholinergics, which work by blocking the action of acetylcholine on the muscarinic receptors in the airways, leading to relaxation of the bronchial muscles and improved airflow.

Mechanism of Action

Oxitropium bromide exerts its effects by inhibiting the muscarinic receptors (M1, M2, and M3) in the bronchial smooth muscle. This inhibition prevents the binding of acetylcholine, a neurotransmitter that causes bronchoconstriction. By blocking this action, oxitropium bromide helps to relax and dilate the airways, making it easier for patients to breathe.

Indications

Oxitropium bromide is primarily indicated for:

• Chronic obstructive pulmonary disease (COPD)
• Asthma

Administration

Oxitropium bromide is typically administered via inhalation using a metered-dose inhaler (MDI) or a nebulizer. The inhalation route ensures that the medication is delivered directly to the lungs, where it can exert its therapeutic effects.

Side Effects

Common side effects of oxitropium bromide may include:

• Dry mouth
• Cough
• Headache
• Nausea

Less common but more serious side effects can include:

• Urinary retention
• Tachycardia
• Glaucoma (if the medication comes into contact with the eyes)

Contraindications

Oxitropium bromide is contraindicated in patients with:

• Hypersensitivity to oxitropium bromide or any of its components
• Narrow-angle glaucoma
• Prostatic hypertrophy or bladder neck obstruction

Drug Interactions

Oxitropium bromide may interact with other medications, including:

• Other anticholinergics
• Beta-agonists
• Xanthines

See Also

• Ipratropium bromide
• Tiotropium bromide
• Bronchodilator
• Chronic obstructive pulmonary disease
• Asthma

External Links

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