New Zealand Pharmacology for Midwifery Students Practice Test

Prolonged use of Syntocinon, particularly when administered with IV fluids, can lead to water toxicity, also known as hyponatremia. Syntocinon contains oxytocin, which can promote water retention in the body. When combined with intravenous fluids, especially hypotonic solutions, this effect may be exacerbated, potentially leading to an excess amount of water in the bloodstream.

As the sodium levels in the body dilute, this can result in a condition called dilutional hyponatremia, where the sodium concentration in the blood becomes critically low. Symptoms of water toxicity may include headache, nausea, and in severe cases, seizures or coma if the sodium imbalance becomes significant.

Understanding this connection between Syntocinon use, fluid management, and potential for water toxicity is crucial in midwifery practice, ensuring that both the mother and the fetus are monitored effectively to avoid complications arising from electrolyte imbalances.