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# Isoxsuprine hydrochloride
## Overview
Isoxsuprine hydrochloride is a peripheral vasodilator.
## Primary Indications
* Treatment of peripheral vascular disease (e.g., intermittent claudication, arteriosclerosis obliterans).
* Adjunctive treatment in conditions associated with impaired circulation.
## Adult Dosing
* **Typical Dose:** 10-20 mg orally 3-4 times daily.
* **Maximum Dose:** Not explicitly defined, but doses higher than 20 mg typically do not increase benefit and may increase adverse effects.
## Pediatric Dosing
* There is no established pediatric dosing for isoxsuprine hydrochloride.
## Dose Adjustments
* No specific dose adjustments are recommended for renal or hepatic impairment. However, caution is advised in patients with severe disease.
## Contraindications
* Hypersensitivity to isoxsuprine hydrochloride.
* Do not administer in the immediate post-partum period.
* Avoid in patients with severe hypotension or tachycardia.
## Adverse Effects
* **Common:** Nausea, vomiting, gastric distress, dizziness, flushing, weakness, nervousness, rash.
* **Less Common:** Hypotension, tachycardia, epigastric distress, headache.
## Key Drug Interactions
* **Antihypertensives:** May potentiate hypotensive effects.
* **Drugs causing Tachycardia (e.g., sympathomimetics):** May exacerbate tachycardia.
## Monitoring
* Blood pressure and heart rate.
* Symptoms of peripheral vascular disease.
* Signs of adverse effects.
## Clinical Pearls
* Efficacy in peripheral vascular disease is controversial and often limited.
* Onset of action is typically within 1 hour, with peak effects at 2-3 hours and duration of 4-5 hours.
* Administer with meals or milk to minimize gastrointestinal upset.
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**Disclaimer:** This information is intended for healthcare professionals. Always consult the most current prescribing information and relevant guidelines for definitive clinical decisions.
