Pharmacodynamics
Uterine contractions are seen after 3-5 minutes and approx 1 minute of amistration through intramuscular and intravenous routes respectively. A steady state of the drug is reached after 40 mins of parenteral route of administration. It is distributed throughout extracellular fluid compartment of the mother; small amounts may cross the placental barrier and reach foetus. Metabolism takes place rapidly via the liver and plasma by the enzyme oxytocinase a few steps of metabolism also takes place via mammary gland. It has a half-life of 1-5 minute. Kidney and liver help in the elimination of Oxytocin drugs( 9) unchanged form of this drug is rarely excreted in urine (30). Overdose can cause titanic uterine contractions, impaired blood flow to the uterus, uterine ruptures, seizures and amniotic fluid embolism contractions, impaired blood flow to the uterus, uterine ruptures, seizures and amniotic fluid embolism.
PharmacodynamicsUterine contractions are seen after 3-5 minutes and approx 1 minute of amistration through intramuscular and intravenous routes respectively. A steady state of the drug is reached after 40 mins of parenteral route of administration. It is distributed throughout extracellular fluid compartment of the mother; small amounts may cross the placental barrier and reach foetus. Metabolism takes place rapidly via the liver and plasma by the enzyme oxytocinase a few steps of metabolism also takes place via mammary gland. It has a half-life of 1-5 minute. Kidney and liver help in the elimination of Oxytocin drugs( 9) unchanged form of this drug is rarely excreted in urine (30). Overdose can cause titanic uterine contractions, impaired blood flow to the uterus, uterine ruptures, seizures and amniotic fluid embolism contractions, impaired blood flow to the uterus, uterine ruptures, seizures and amniotic fluid embolism.
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