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# Isoxsuprine Hydrochloride
## Overview
Isoxsuprine hydrochloride is a vasodilator.
## Primary Indications
* Peripheral vascular disease, such as intermittent claudication.
* Cerebrovascular insufficiency.
## Adult Dosing
* **Oral:** 10 mg to 20 mg three to four times daily. Doses may be increased as needed and tolerated.
## Pediatric Dosing
* Information not established.
## Dose Adjustments
* No specific dose adjustments are routinely recommended for renal or hepatic impairment, but caution and close monitoring are advised due to potential for altered pharmacokinetics.
## Contraindications
* Hypersensitivity to isoxsuprine.
* Use in patients with congenital heart disease or arrhythmias.
* Use in patients who have recently experienced a myocardial infarction.
## Adverse Effects
* **Common:** Flushing, dizziness, weakness, hypotension, nausea, vomiting, abdominal distress, rash.
* **Less Common:** Tachycardia, palpitations, gastrointestinal upset, drowsiness.
## Key Drug Interactions
* **Antihypertensives:** Isoxsuprine may potentiate the hypotensive effects of antihypertensive medications.
* **Other vasodilators:** Concomitant use may lead to additive hypotensive effects.
## Monitoring
* Blood pressure.
* Heart rate.
* Symptoms of peripheral vascular disease.
* Signs of adverse effects.
## Clinical Pearls
* Effectiveness in cerebrovascular insufficiency is controversial.
* Generally administered orally.
* Patients should be advised to report any adverse effects promptly.
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*This information is intended for clinical use and does not replace comprehensive drug information resources. Always consult current prescribing information and clinical guidelines before making treatment decisions.*
