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## Overview
Diclone is a topical antiemetic agent. Its mechanism of action is not fully elucidated but is thought to involve peripheral effects on chemoreceptor trigger zones or the gastrointestinal tract.
## Primary Indications
* Nausea and vomiting associated with radiation therapy.
## Adult Dosing
* **Topical Application:** Apply a thin layer to the anterior neck above the sternal notch 15 minutes prior to radiation therapy.
* **Frequency:** Typically applied once daily before each treatment session.
* **Maximum Dose:** Not specified, but local application is intended.
## Pediatric Dosing
* Safety and efficacy in pediatric patients have not been established.
## Dose Adjustments
* No specific dose adjustments are required for renal or hepatic impairment, as systemic absorption is minimal.
## Contraindications
* Hypersensitivity to diclone or any component of the formulation.
* Avoid application to broken or irritated skin.
## Adverse Effects
* **Common:** Local skin irritation (redness, itching, burning) at the application site.
* **Less Common:** Rash, urticaria. Systemic side effects are rare due to limited absorption.
## Key Drug Interactions
* No significant drug interactions have been reported with topical diclone due to minimal systemic absorption.
## Monitoring
* Monitor for signs of local skin irritation or hypersensitivity reactions at the application site.
## Clinical Pearls
* Diclone is a convenient, non-systemic option for managing radiation-induced nausea and vomiting.
* Ensure the skin is clean and dry before application for optimal efficacy and to minimize irritation.
* Educate patients to report any significant skin reactions.
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*Disclaimer: This information is intended for healthcare professionals. Always consult the most current prescribing information and product literature for complete details, as guidelines and formulations can change. Local protocols may also dictate specific usage.*
