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Prostin E2

Last reviewed on RxList: 6/13/2016
Prostin E2 Side Effects Center

Last reviewed on RxList 5/12/2016

Prostin E2 (dinoprostone) Vaginal Suppository is a hormone-like substance (prostaglandin) that the body makes in preparation for labor used in a pregnant woman to relax the muscles of the cervix (opening of the uterus) in preparation for inducing labor at the end of a pregnancy. Common side effects of Prostin E2 Vaginal Suppository include:

  • nausea
  • vomiting
  • diarrhea
  • fever
  • chills
  • stomach or abdominal pain
  • back pain
  • flushing (warmth, redness, or tingly feeling)
  • dizziness, and
  • feeling of warmth in the vaginal area

A suppository containing 20 mg of dinoprostone should be inserted high into the vagina. The patient should remain in the supine position for ten minutes following insertion. Other drugs may interact with Prostin E2. Tell your doctor all medications and supplements you use. Before using Prostin E2 during pregnancy, discuss the risks and benefits with your doctor. It is unknown if this drug passes into breast milk. Consult your doctor before breastfeeding.

Our Prostin E2 (dinoprostone) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Prostin E2 Consumer Information

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Tell your caregivers at once if your contractions slow down or become uneven, or if you have:

  • fever;
  • sudden vaginal bleeding;
  • cough, wheezing, chest tightness, trouble breathing; or
  • pale skin, blue colored lips.

After your baby is born, seek emergency medical attention if you have any signs of excessive bleeding, such as:

  • weakness or fainting;
  • unusual bleeding from your nose, mouth, vagina, or rectum;
  • bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;
  • sudden numbness or weakness, especially on one side of the body;
  • sudden severe headache, confusion, problems with vision, speech, or balance;
  • unusual bruising, purple or red pinpoint spots under your skin;
  • bleeding from a wound, surgical incision, or vein where an IV was placed;
  • any bleeding that will not stop.

Less serious side effects may include:

  • nausea, stomach pain;
  • back pain; or
  • feeling of warmth in the vaginal area.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Prostin E2 (Dinoprostone Vaginal Suppository)

Prostin E2 Professional Information


The most frequent adverse reactions observed with the use of dinoprostone for abortion are related to its contractile effect on smooth muscle.

In the patients studied, approximately two-thirds experienced vomiting, one-half temperature elevations, two-fifths diarrhea, one-third some nausea, one-tenth headache, and one-tenth shivering and chills.

In addition, approximately one-tenth of the patients studied exhibited transient diastolic blood pressure decreases of greater than 20 mmHg.

Two cases of myocardial infarction following the use of dinoprostone have been reported in patients with a history of cardiovascular disease.

It is not known whether these events were related to the administration of dinoprostone.

Adverse effects in decreasing order of their frequency, observed with the use of dinoprostone, not all of which are clearly drug related include:

Chills or shivering
Joint inflammation or pain new or exacerbated
Flushing or hot flashes
Vaginal pain
Chest pain
Syncope or fainting sensation
Vaginitis or vulvitis
Muscular cramp or pain
Tightness in chest
Nocturnal leg cramps
Uterine rupture
Breast tenderness
Blurred vision
Stiff neck
Hearing impairment
Urine retention
Eye pain
Cardiac arrhythmia
Skin discoloration

Post-Marketing Surveillance

Immune system disorders: Hypersensitivity reactions (e.g., Anaphylactic reaction, Anaphylactic shock, Anaphylactoid reaction).

Read the entire FDA prescribing information for Prostin E2 (Dinoprostone Vaginal Suppository)

Related Resources for Prostin E2

© Prostin E2 Patient Information is supplied by Cerner Multum, Inc. and Prostin E2 Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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