Once preterm labor is diagnosed, which of the following medications should be considered as tocolytic?

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Once preterm labor is diagnosed, prompt measures should be taken to try to stop labor and prevent an early delivery. Intravenous hydration is commonly the first approach used. However, it does not seem to be of clinical significance in a well-hydrated patient. Excessive hydration should be avoided because it might exacerbate the risk of pulmonary edema that is usually associated with the use of tocolytics. The most commonly used tocolytics are magnesium sulfate, beta-mimetic agents, and indomethacin (a prostaglandin inhibitor). Less commonly used are nifedipine (calcium channel blocker), nitroglycerin (nitric oxide donor drug), atosiban (oxytocin antagonist), and combination therapy.

Once Preterm Labor Is Diagnosed, Which of the Following Medications