Drug Interaction:
Interactions - summary
+ Oxytocic drugs
Symapathomimetics incr pressor effect of the sympathomimetics increased possibly resulting in postpatum hypertension
Sympathomimetics -
If used concurrently with oxytocic drugs, the pressor effect of the sympathomimetics mmay be increased possibly resulting in postpatum hypertension Severe hypertension occurred when oxytocin was given 3 o 4 hours following prophylactic admin. of a vasoconstrictor in conjunction with caudal block anesthesia Used comcomittantly with prostaglandins risk of uterine rupture and cervical lacerations. Useful combinations with ergometrine in control of postpartum haemorrhage.
Indication:
Antepartum, Postpartum uterine contraction.
Oxytocic drugs
Symapathomimetics incr pressor effect of the sympathomimetics increased possibly resulting in postpatum hypertension
Adverse Reaction:
Maternal water intoxification, tetanic uterine contractions causing fetal hypoxia and death, rupture of gravid uterus.
Neonatal jaundice Hypotension and tachycardia. Contractions are more difficult to tolerate.
Contra-Indications:
Cephalopelvic disproportion, abnormal presentation, excessive uterine distension,parity greater than 4, elderly multiparae, previous cesarian section or other uterine surgery, severe toxaemia, hypertonic contractions. Predisposition to amniotic embolism.
Special precautions:
Use only in hospital conditions when i.v.infusion is given. Cardiovascular disorders.
Dosages/ Overdosage Etc:
Indications:
Antepartum, Postpartum uterine contraction.
Dosage:
IV infusion -drip method. Initial dose shpould not be 1 to 2mu/min.
Gradually increase the dose in increments of no more than 1 to 2mu/min at 15 to 20 minutes intervals..
Other Information:
For Availability/supplies
Contact -
1.Indian Drug Manufacturers Association (IDMA)
Phone- 022- 24944624/ 24974308
Fax- 022- 24950723
Email- idma@vsnl.com
Website: www.idma-assn.org
2.Bulk Drug Manufacturers Association (India)(BDMA)
Phone - 040-23703910/ 23706718
Fax- 040-23704804
Email- info@bdmai.org
Website: www.info@bdmai.org
Classification:
Hormone Patent position:
Major Brands:
PITOCIN PARKE-DAVIS Raw materials:
1.Nona peptide
2.Protected hexapeptide.
3.Tripeptide hydrazide.
Patient Information:
1.Allergies- tell your doctor if you have ever had any unusual or allergic reaction to oxytocin.
Also tell your doctor if you are allergic to any other substances, such as foods, presevatives or dyes.
2. Breast feeding- not reported to cause problems in nursing babies
3. Other medicines -
Tell your doctor if you are taking any other OTC - non-prescriptions or other
medicines
4. Other medical problems -
Tell your doctor if you have any other medical problems especially -
Heart disease
Hypertension
Kidney disease
5. Missed dose -
If you miss a dose of this medicine, take it as soon as possible. however, if it is almost time for the next dose, skip the missed dose. Do not double doses.
6. Storage -
Keep out of reach of children. Store away from heat or direct sunlight. Do not store
the capsule in bathroom, near the kitchen sink, or in other damp places.
7. Outdated medicines -
Do not keep outdated medicine or medicine no longer needed. Be sure that any
discarded medicine is out of reach of children.
Pharmacology/ Pharmacokinetics:
Pharmacology:
Oxytocin, an endogenous hormone produced in the posterior pituitary gland, has uterine stimulant properties, especially on the gravid uterus, as well as vasopressive and antidiuretic effects.
Pharmacokinetics:
The plasma of half-life of synthetic oxytocin is 1 to 6 minutes, but this decreases in late pregnancy and lactation.
Interaction with Food:
Reports not available
Pregnancy and lactation:
Pregnancy:
No known indications for use in first trimester exist other than in spontaneous or induced abortion.
Lactation:
Oxytocin may be found in small quantites in breast milk. If a postpatum dosage is required to control uterine bleeding, nursing should not commence until the day after oxytocin has been discontinued
Children:
Not intended for use in children.