• Basic Info
• Top Questions
• Clinical Info
• Interactions

What are the possible side effects of oxytocin?

Side effects with oxytocin are not common. Serious side effects include:

• an allergic reaction (shortness of breath; closing of the throat; hives; swelling of the lips, face, or tongue; rash; or fainting);

• difficulty urinating;

• chest pain or irregular heart beat;

• difficulty breathing;

• confusion;

• sudden weight gain or excessive swelling;

• severe headache;

• rash;

• excessive vaginal bleeding; or

• seizures.

Other, less serious side effects may be more likely to occur. Talk to your doctor if you experience

• redness or irritation at the injection site;

• loss of appetite; or

• nausea or vomiting.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect oxytocin?

Other drugs can interact with oxytocin resulting in dangerous side effects and/or decreased effectiveness. Do not take any other prescription or over-the-counter medicines, including vitamins, minerals, and herbal products, without first talking to your doctor during treatment with oxytocin.

Where can I get more information?

Your pharmacist has additional information about oxytocin written for health professionals that you may read.

What does my medication look like?

Oxytocin is available generically and under the brand names Pitocin and Syntocinon. Other brand or generic formulations may also be available. Ask your doctor or pharmacist any questions you have about this medication.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.