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# Isoxsuprine hydrochloride
## Overview
Isoxsuprine hydrochloride is a peripheral vasodilator that may improve blood flow to the extremities.
## Primary Indications
* Treatment of peripheral vascular disease (e.g., intermittent claudication, arteriosclerosis obliterans)
## Adult Dosing
* 10-20 mg orally 3 to 4 times daily.
* Maximum dose: Not clearly established, but generally avoid exceeding 20 mg per dose.
## Pediatric Dosing
* No established pediatric dosing. Use is not recommended.
## Dose Adjustments
* No specific dose adjustments are routinely recommended for renal or hepatic impairment. However, caution and close monitoring may be warranted in patients with significant impairment.
## Contraindications
* Hypersensitivity to isoxsuprine hydrochloride
* Use in patients with congenital heart disease or in hypotensive states
## Adverse Effects
* **Common:** Flushing, nausea, vomiting, dizziness, weakness, blurred vision, rash, headache, hypotension, tachycardia, gastrointestinal distress.
* **Serious:** Hypotension, cardiac arrhythmias.
## Key Drug Interactions
* **Antihypertensives:** Isoxsuprine may decrease blood pressure, potentially potentiating the effects of antihypertensive medications.
* **Vasodilators:** Additive hypotensive effects may occur.
## Monitoring
* Blood pressure and heart rate
* Signs and symptoms of peripheral vascular disease
* Adverse effects
## Clinical Pearls
* Efficacy in peripheral vascular disease is controversial and not well-established by robust clinical trials.
* The drug should be administered with meals to minimize gastrointestinal upset.
* Patients should be advised to avoid activities requiring mental alertness until they know how the medication affects them, as it can cause dizziness and weakness.
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*This information is intended for healthcare professionals. Always consult the most current prescribing information and relevant clinical guidelines before making treatment decisions.*
