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# Isoxsuprine hydrochloride
## Overview
Isoxsuprine hydrochloride is a vasodilator that acts directly on vascular smooth muscle, causing relaxation and vasodilation. It is also a beta-adrenergic agonist, which may contribute to its vasodilatory effects.
## Primary Indications
* Treatment of peripheral vascular disease and cerebrovascular insufficiency.
## Adult Dosing
* **Typical Dose:** 10 mg to 20 mg orally three to four times daily.
* **Maximum Dose:** Not clearly established, but doses higher than 20 mg per administration are generally not recommended.
## Pediatric Dosing
* No established pediatric dosing. Use in pediatric patients is generally not recommended.
## Dose Adjustments
* No specific dose adjustments are typically required for renal or hepatic impairment. However, caution should be exercised in patients with severe impairment.
## Contraindications
* Hypersensitivity to isoxsuprine hydrochloride.
* Use in patients with congenital heart disease or hypotension.
## Adverse Effects
* **Common:** Hypotension, flushing, dizziness, nausea, vomiting, abdominal distress, rash, weakness, and tachycardia.
* **Serious:** Severe hypotension.
## Key Drug Interactions
* **Antihypertensives:** Isoxsuprine may potentiate the hypotensive effects of antihypertensive medications.
* **Sympathomimetic agents:** Concurrent use may increase the risk of adverse cardiovascular effects.
## Monitoring
* Blood pressure.
* Heart rate.
* Signs and symptoms of peripheral vascular disease.
## Clinical Pearls
* Effectiveness in peripheral vascular disease is controversial, and its use is not universally accepted.
* Administer with food if gastrointestinal upset occurs.
* Avoid use in patients who have recently experienced a myocardial infarction.
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*Disclaimer: This information is intended for healthcare professionals. Please consult the most current prescribing information and local protocols for definitive guidance.*