説明
Zoxan D 5 ml Eye/Ear Drops is a high-performance, dual-action pharmaceutical formulation manufactured by FDC Limited. Designed to treat complex bacterial infections accompanied by significant inflammation, Zoxan D combines the broad-spectrum antibiotic efficacy of Ciprofloxacin (0.3% w/v) with the potent anti-inflammatory properties of Dexamethasone (0.1% w/v). This synergy makes it a premier choice for post-operative ocular care and the management of acute otic infections.
1. Manufacturer Profile: FDC Limited
FDC Limited is an Indian pharmaceutical pioneer with a global footprint, renowned for its expertise in specialized drug delivery systems and ophthalmic solutions.
- Manufacturing Standards: Produced in WHO-GMP certified facilities that adhere to rigorous international quality control benchmarks.
- Innovation: FDC’s “Lubifilm” and specialized stabilizers in Zoxan D ensure that the active ingredients remain in contact with the ocular or aural surface for an optimized therapeutic window.
2. Composition & Ingredients
Each 1 ml of Zoxan D contains:
- Ciprofloxacin Hydrochloride IP: Equivalent to Ciprofloxacin 3 mg (0.3% w/v).
- Dexamethasone IP: 1 mg (0.1% w/v).
- Preservative: Benzalkonium Chloride 0.01% w/v.
- Vehicle: Specialized aqueous base for maximum surface adhesion.
3. Mechanism of Action: How It Works
Zoxan D utilizes a two-pronged attack to eradicate infection and accelerate healing.
A. Bactericidal Action (Ciprofloxacin)
Ciprofloxacin is a second-generation fluoroquinolone that inhibits DNA gyrase and Topoisomerase IV. These enzymes are vital for the replication, transcription, and repair of bacterial DNA. By inhibiting these processes, Ciprofloxacin effectively halts bacterial multiplication and causes rapid cell death. It is highly active against a wide range of Gram-positive and Gram-negative pathogens, including Pseudomonas aeruginosa.
B. Anti-Inflammatory Action (Dexamethasone)
Dexamethasone is a potent synthetic glucocorticoid. It suppresses the inflammatory response by inhibiting the release of multiple inflammatory mediators (prostaglandins and leukotrienes) and reducing the migration of white blood cells to the site of infection. This reduces redness, swelling, and pain, allowing the patient to feel relief almost immediately.
4. Therapeutic Indications
Zoxan D is clinically indicated for the following conditions:
- Post-Operative Care: Preventing infection and reducing inflammation following cataract, refractive, or glaucoma surgery.
- Bacterial Conjunctivitis: Treating severe “pink eye” where significant swelling and irritation are present.
- Acute Otitis Media: Treating middle ear infections in patients with tympanostomy tubes.
- Otitis Externa: Managing inflammation and infection in the outer ear canal (Swimmer’s Ear).
5. Dosing & Administration
Ophthalmic (Eye) Use
- Standard Dose: 1–2 drops in the affected eye(s) every 4 to 6 hours.
- Severe Cases: Frequency may be increased to every 2 hours for the first 24–48 hours.
Otic (Ear) Use
- Standard Dose: 3–4 drops in the affected ear canal 2 to 3 times daily.
Administration Technique
- Wash hands thoroughly.
- Shake the bottle well before use.
- For Eyes: Pull down the lower lid and instill the drop. Close the eye and apply pressure to the inner corner for 1 minute.
- For Ears: Lie on your side with the affected ear facing up. Instill the drops and stay in that position for 2 minutes to allow the medicine to penetrate.
6. Clinical Comparison: Zoxan D vs. Monotherapy
| Feature | Zoxan D (Combination) | Ciprofloxacin (Antibiotic Only) | Dexamethasone (Steroid Only) |
|---|---|---|---|
| Primary Goal | 感染 + 炎症 | 細菌除去 | 炎症制御 |
| Recovery Speed | 最速（二重作用） | 中程度 | 遅い（抗生物質なし） |
| Best For | 眼科手術後/重症結膜炎 | 単純細菌感染症 | 感染しないアレルギー |
7. 注意事項と安全警告
- 眼圧モニタリング： デキサメタゾンの長期使用（10日以上）は眼圧（IOP）を上昇させる可能性があります。緑内症の兆候を監視する必要があります。
- ウイルス/真菌感染症： ステロイドはヘルペス単純ウイルスなどのウイルス性および真菌性感染症を悪化させたり、隠したりする可能性があります。細菌感染症が確認されていない限り使用しないでください。
- コンタクトレンズ： Zoxan Dの使用中は、保存料がコンタクトレンズ素材に吸収されるため、コンタクトレンズの装着は避けてください。
8. 徹底調査されたFAQ
Q: Zoxan Dは単純な耳痛に使用できますか？
A: Zoxan Dは、耳痛が細菌感染症によるものである場合にのみ使用すべきです。一般的な鎮痛剤ではありません。
Q: 点眼後、口が苦味を感じるのはなぜですか？
A: これは、点眼薬が涙道を通じて喉に流れ込むことで起こる一般的な現象です。無害です。
Q: Zoxan Dは子供に安全ですか？
A: 2歳以上の子供に対しては一般的に安全ですが、厳密な医療監督の下で使用する必要があります。
9. 公式規制参照
- FDCリミテッド製品インデックス： 公式眼科製品ポートフォリオ
- 臨床薬理学参照： 現代外科におけるキノロン-ステロイド併用療法。
医療上の免責事項： 本コンテンツは教育目的のためにAI生成されています。医療アドバイスではありません。診断や治療については、必ず免許を持つ医療専門家にご相談ください。
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