Answer
Hydralazine hydrochloride directly dilates blood vessels, principally arterioles, reducing peripheral resistance and arterial blood pressure, although its precise mechanism of action is unknown.
Sources for this answer
- Hydralazine 25 mg Tablets / Apresoline 25 mg TabletsADVANZ Pharma · emc · SmPC §5.1 Pharmacodynamic properties · Version 18Document updated
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