Inhaled corticosteroids

Inhaled corticosteroids (ICS) are a type of steroid medication primarily used in the management of chronic respiratory diseases, such as asthma and chronic obstructive pulmonary disease (COPD). These medications help to reduce inflammation and swelling in the airways, making breathing easier and preventing asthma attacks.

Mechanism of Action

Inhaled corticosteroids work by mimicking the effects of hormones produced by the adrenal glands that regulate inflammation and immune response. When inhaled, these medications act locally in the lungs to reduce inflammation, decrease mucus production, and suppress the immune response that causes airway constriction. This targeted approach minimizes systemic side effects compared to corticosteroids taken orally or by injection.

Types of Inhaled Corticosteroids

Several types of inhaled corticosteroids are available, each varying slightly in potency and duration of action. Commonly prescribed ICS include:

• Fluticasone (Flovent)
• Budesonide (Pulmicort)
• Beclomethasone (Qvar)
• Ciclesonide (Alvesco)
• Mometasone (Asmanex)

Usage

Inhaled corticosteroids are typically used on a regular schedule and not as a rescue therapy for acute asthma symptoms. Patients are often advised to use a spacer with metered-dose inhalers to improve drug delivery to the lungs and reduce side effects.

Side Effects

While inhaled corticosteroids are generally safe when used as directed, they can cause side effects, particularly at higher doses or with long-term use. Common side effects include:

• Oral thrush (a fungal infection in the mouth)
• Hoarseness
• Cough
• Sore throat

To minimize the risk of oral thrush, patients are advised to rinse their mouth with water after inhaling the medication.

Clinical Considerations

Before starting treatment with inhaled corticosteroids, healthcare providers consider several factors, including the severity of the disease, the presence of comorbid conditions, and the patient's age. Regular monitoring and dose adjustments may be necessary to ensure optimal control of asthma or COPD symptoms while minimizing side effects.

Conclusion

Inhaled corticosteroids are a cornerstone in the management of chronic respiratory diseases, offering significant benefits for patients with asthma and COPD. Proper use and adherence to prescribed treatment regimens are crucial for maximizing the effectiveness of these medications and improving patient outcomes.

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