Fluticasone Drug Profile

What is Fluticasone?

Fluticasone is a synthetic corticosteroid medication that belongs to the class of drugs known as glucocorticoids. It is primarily used as an anti-inflammatory agent to treat various allergic and inflammatory conditions affecting the respiratory system and skin. Fluticasone is available in multiple formulations including nasal sprays, inhalers, and topical creams.

Uses

Fluticasone has several approved therapeutic applications:

• Allergic rhinitis: Treatment of seasonal and perennial allergic rhinitis symptoms including nasal congestion, runny nose, and sneezing
• Asthma maintenance: Long-term control and prevention of asthma symptoms as a controller medication
• Nasal polyps: Reduction of nasal polyp size and associated symptoms
• Chronic obstructive pulmonary disease (COPD): Management of COPD exacerbations when combined with bronchodilators
• Inflammatory skin conditions: Treatment of eczema, dermatitis, and other corticosteroid-responsive skin disorders

How it works

Fluticasone works by binding to glucocorticoid receptors inside cells and reducing the production of inflammatory substances such as histamine, leukotrienes, and prostaglandins. This anti-inflammatory action helps decrease swelling, irritation, and allergic responses in the targeted tissues. The medication also suppresses the immune system’s overactive response that contributes to allergic and inflammatory conditions.

Side effects

Common side effects include:

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• Nasal irritation or burning sensation
• Nosebleeds
• Headache
• Throat irritation or hoarseness
• Cough
• Oral thrush (with inhaled formulations)
• Skin irritation (with topical use)
• Upper respiratory tract infections

Serious side effects to watch for:

• Severe allergic reactions including facial swelling or difficulty breathing
• Vision problems or eye pain
• Signs of adrenal suppression such as fatigue, weakness, or mood changes
• Severe or persistent nosebleeds
• Signs of systemic corticosteroid effects with prolonged use

Warnings and precautions

• Infections: Fluticasone may increase susceptibility to infections and can mask signs of existing infections, particularly fungal, bacterial, or viral infections
• Growth suppression: Long-term use in children may affect growth rate and should be monitored regularly
• Pregnancy and breastfeeding: Should be used only when potential benefits justify potential risks; discuss with healthcare provider before use
• Adrenal suppression: Prolonged use may suppress the hypothalamic-pituitary-adrenal axis, requiring gradual dose reduction when discontinuing
• Eye conditions: Use with caution in patients with cataracts, glaucoma, or other eye problems as corticosteroids may worsen these conditions

Interactions

• Ritonavir: May significantly increase fluticasone levels leading to increased risk of systemic corticosteroid effects
• Ketoconazole: Can increase fluticasone exposure and enhance corticosteroid side effects
• Other CYP3A4 inhibitors: Medications like itraconazole or clarithromycin may increase fluticasone levels
• Live vaccines: Effectiveness may be reduced; avoid live vaccines during treatment
• Aspirin and NSAIDs: May have increased risk of gastrointestinal effects when used with systemic absorption
• Warfarin: Corticosteroids may alter anticoagulant effects requiring monitoring
• Diabetes medications: May affect blood glucose control requiring dose adjustments
• Diuretics: May increase potassium loss when significant systemic absorption occurs

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Dosage

Dosage varies significantly based on the formulation and condition being treated. For nasal sprays, typical adult doses range from 1-2 sprays per nostril once or twice daily. Inhaled formulations for asthma typically range from 88-880 micrograms twice daily depending on severity and previous treatment. Topical preparations are usually applied as a thin layer once or twice daily. The lowest effective dose should always be used, and dosage should be individualized based on patient response and tolerability. All dosing decisions should be made by a qualified healthcare provider who can assess the specific clinical situation and monitor treatment response.

Sources: FDA DailyMed drug labels (public domain), BNF, WHO Essential Medicines List. This article is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before starting or stopping any medication.

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