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# Isoxsuprine Hydrochloride
## Overview
Isoxsuprine hydrochloride is a peripheral vasodilator.
## Primary Indications
* Adjunctive therapy in conditions associated with impaired peripheral circulation, such as intermittent claudication.
## Adult Dosing
* Oral: 10-20 mg three to four times daily.
* Maximum: 40 mg every 12 hours is sometimes cited, but efficacy and safety at higher doses are not well established.
## Pediatric Dosing
* No established pediatric dosing. Use is generally not recommended in children.
## Dose Adjustments
* No specific dose adjustments are routinely recommended for renal or hepatic impairment, but caution is advised due to potential for accumulation and increased adverse effects.
## Contraindications
* Hypersensitivity to isoxsuprine hydrochloride.
* Use in patients with congenital heart disease or patients in whom a vasodilation effect would be detrimental.
## Adverse Effects
* **Common:** Hypotension, tachycardia, dizziness, flushing, nausea, vomiting, abdominal distress, rash.
* **Less Common:** Weakness, nervousness, blurred vision.
## Key Drug Interactions
* **Antihypertensives:** Additive hypotensive effects.
* **Other Vasodilators:** Increased risk of hypotension and reflex tachycardia.
## Monitoring
* Blood pressure and heart rate.
* Symptoms of peripheral vascular disease.
## Clinical Pearls
* Efficacy in treating peripheral vascular disease is controversial and not definitively proven by robust clinical trials.
* Administer with food to minimize gastrointestinal upset.
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*This information is intended for clinical decision-making and does not replace the need to consult the official prescribing information and other relevant medical literature.*
