A drug that is used intravenously to stop premature labor and that has shown to cause bronchodilation when administered by aerosol is:

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The drug that is commonly used intravenously to stop premature labor is magnesium sulfate. When administered by aerosol, it has been shown to cause bronchodilation. Calcium is not used to stop premature labor and does not have a significant effect on bronchodilation. Epinephrine is a bronchodilator but is not used to stop premature labor. Theophylline is a bronchodilator but is not used to stop premature labor and is not commonly administered by aerosol anymore.

A Drug That Is Used Intravenously to Stop Premature Labor