SALT INFORMATIONIsoxsuprine (40Mg) TYPICAL USAGE Peripheral vascular disease, arrest premature labour. SIDE EFFECTS Dizziness, low blood pressure, palpitations, fast heart rate, lung swelling, flushing, nausea, vomiting, abdominal distress, rash and allergic reactions such as hives, difficulty breathing, tightness in the chest. DRUG INTERACTION Tell your doctor of all prescription and nonprescription medication you may use. Do not start or stop any medicine without doctor or pharmacist approval. MECHANISM OF ACTION Isoxsuprine produces peripheral vasodilation by a direct effect on vascular smooth muscle, primarily within skeletal muscle with little effect on cutaneous blood flow. Its effects were once thought to be due to beta-adrenergic receptor stimulation but are not reversed by beta-adrenergic blocking agents.