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# Isoxsuprine Hydrochloride
## Overview
Isoxsuprine hydrochloride is a vasodilator. Its exact mechanism of action in peripheral vascular disease is not fully understood but may involve direct relaxation of vascular smooth muscle.
## Primary Indications
* Adjunctive therapy in intermittent claudication and peripheral vascular disease.
## Adult Dosing
* **Intermittent Claudication/Peripheral Vascular Disease:** 10-20 mg by mouth three to four times daily.
## Pediatric Dosing
* Data on the efficacy and safety of isoxsuprine hydrochloride in pediatric patients is not established.
## Dose Adjustments
* No specific dose adjustments are recommended for renal or hepatic impairment. However, caution may be warranted in patients with severe hepatic or renal disease due to potential for drug accumulation.
## Contraindications
* Hypersensitivity to isoxsuprine hydrochloride.
* Should not be administered intravenously.
## Adverse Effects
* **Common:** Nausea, vomiting, stomach upset, dizziness, weakness, flushing, skin rash.
* **Cardiovascular:** Hypotension, tachycardia, palpitations.
* **Other:** Gastrointestinal bleeding.
## Key Drug Interactions
* **Antihypertensives:** Isoxsuprine may potentiate the effects of antihypertensive agents, leading to additive hypotension.
* **Other Vasodilators:** Concomitant use may increase the risk of hypotension.
## Monitoring
* Monitor blood pressure and heart rate.
* Assess for improvement in symptoms of peripheral vascular disease.
* Monitor for adverse effects.
## Clinical Pearls
* Isoxsuprine hydrochloride is not a cure for peripheral vascular disease and should be used as adjunctive therapy.
* Discontinuation of smoking and regular exercise are important components of management.
* Effectiveness may vary significantly among patients.
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**Disclaimer:** This information is intended for healthcare professionals and is not a substitute for professional medical advice. Always consult the most current prescribing information and clinical guidelines for definitive patient care decisions.
