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Carbetocin 100 micrograms/ml solution for injection – patient leaflet, side effects, dosage

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Key facts
Status:
Prescription only (POM)
Medicine strength:
100 micrograms/ml
Contains active substance:
ATC code:
Similar medicines?:

Patient leaflet - Carbetocin 100 micrograms/ml solution for injection

1. WHAT CARBETOCIN IS AND WHAT IT IS USED FOR

The name of this medicine is Carbetocin 100 micrograms/ml solution for injection (referred to as Carbetocin throughout the rest of this leaflet). The active ingredient in this medicine is carbetocin. It is similar to a substance called oxytocin, which is naturally produced by the body to make the womb contract during childbirth.

Carbetocin is used to treat women who have just had a baby. In some women, after delivery, the womb (uterus) doesn’t contract (shrink) quickly enough. This makes it more likely that they’ll bleed more than normal. Carbetocin makes the womb contract and so reduces the risk of bleeding.

2. WHAT YOU NEED TO KNOW BEFORE YOU ARE GIVEN CARBETOCIN

Carbetocin must not be given until after the baby has been delivered.

Before giving you Carbetocin, your doctor needs to know about any medical conditions you may have. You should also tell your doctor about any new symptoms that develop while you are being treated with Carbetocin.

You must not be given Carbetocin

  • if you are pregnant
  • if you are in labour and the baby has not been delivered
  • to induce labour
  • if you are allergic to carbetocin or any of the other ingredients of this medicine (listed in section 6)
  • if you are allergic to oxytocin (sometimes given as a drip or injection during or after labour)
  • if you have any disease of the liver or kidneys
  • if you have any serious heart disease
  • if you have epilepsy.

If any of these apply to you, tell your doctor, midwife or nurse.

Warnings and precautions

Talk to your doctor, midwife or nurse before you are given Carbetocin

  • if you get migraines
  • if you have asthma
  • if you have pre-eclampsia (high blood

    pressure in pregnancy) or eclampsia (toxaemia of pregnancy)

    • if you have problems with your heart or your circulation (such as high blood pressure)
    • if you have any other medical condition.

If any of these apply to you, tell your doctor, midwife or nurse.

Carbetocin may cause a build-up of water in the body which can lead to drowsiness, listlessness and headache.

Children and adolescents

Not relevant in children below 12 years of age. The experience with adolescents is limited.

Other medicines and Carbetocin

Tell your doctor, midwife or nurse if you are taking, have recently taken or might take any other medicines.

Pregnancy and breastfeeding

Do not use Carbetocin during pregnancy and labour until after the baby has been delivered. Small amounts of carbetocin have been shown to pass from the nursing mother’s blood into the breast milk, but it is assumed to be degraded in the infant’s bowels. Breastfeeding does not need to be restricted after the use of Carbetocin.

3. HOW YOU ARE GIVEN CARBETOCIN

Carbetocin is given as an injection into one of your veins or into one of your muscles, immediately after your baby has been delivered. The dose is one vial (100 micrograms).

If you are given more Carbetocin than you should have been given

If you are accidentally given too much Carbetocin, your womb may contract strongly enough to become damaged or to bleed heavily. You may also suffer drowsiness, listlessness and headache, caused by water building up in your body. You will be treated with other medication, and possibly surgery.

4. POSSIBLE SIDE EFFECTS

Like all medicines, this medicine can cause side effects, although not everybody gets them.

When Carbetocin is given into one your veins after caesarean section

Very common: may affect more than 1 in 10 people

  • nausea
  • pain in the stomach
  • itching
  • flushing (red skin)
  • feeling warm
  • low blood pressure
  • headaches
  • shakiness.

Common: may affect up to 1 in 10 people

  • vomiting
  • dizziness
  • pain in the back or chest
  • a metallic taste in the mouth
  • anaemia
  • breathlessness
  • chills
  • general pain.

Package leaflet: Information for the patient Carbetocin 100 micrograms/ml solution for injection carbetocin

continued Not known: frequency cannot be estimated from the available data

  • fast heartbeat, slow heartbeat which may lead to cardiac arrest (when the heart stops beating)
  • allergic reactions (including sudden, severe allergic reaction with breathing difficulty, swelling, light-headedness, fast heartbeat, sweating, low blood pressure and loss of consciousness).

Side effects seen with similar products that might be expected with carbetocin: irregular heartbeat, chest pain, fainting or palpitations which may mean the heart is not beating properly.

Infrequently some women might experience sweating.

When Carbetocin is given into one of your muscles after vaginal delivery

Uncommon: may affect up to 1 in 100 people

  • nausea
  • pain in the stomach
  • vomiting
  • low blood pressure
  • anaemia
  • headaches
  • dizziness
  • rapid heartbeat
  • pain in the back or chest
  • muscle weakness
  • chills
  • fever
  • general pain.

Rare: may affect less than 1 in 1,000 people

  • flushing (red skin)
  • itching
  • breathlessness
  • shakiness
  • difficulty to pass urine.

Not known: frequency cannot be estimated from the available data

  • allergic reactions (including sudden, severe allergic reaction with breathing difficulty, swelling, light-headedness, fast heartbeat, sweating, low blood pressure and loss of consciousness).

Side effects seen with similar products that might be expected with carbetocin: slow heartbeat, irregular heartbeat, chest pain, fainting or palpitations which may mean the heart is not beating properly.

Reporting of side effects

If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme, website www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.

5. HOW TO STORE CARBETOCIN

Keep this medicine out of the sight and reach of children.

Do not use this medicine after the expiry date which is stated on the carton and vial after EXP. The expiry date refers to the last day of that month.

Store below 25°C. Do not refrigerate or freeze. Keep vials/ampoules in the outer carton, in order to protect from light.

The solution should be used immediately after opening of the vial.

Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.

6. CONTENTS OF THE PACK AND OTHER INFORMATION

What Carbetocin contains

The active substance is carbetocin. Each millilitre contains 100 micrograms of carbetocin.

The other ingredients are L-methionine, succinic acid, mannitol, sodium hydroxide and water for injections.

What Carbetocin looks like and contents of the pack

Carbetocin is a clear colourless liquid. 1 ml of solution in a glass ampoule, 5 ampoules in a carton pack.

1 ml of solution in a glass vial sealed with a rubber stopper and crimped with an aluminium cap combined with a plastic button, 1 or 5 vials in a carton pack.

Not all pack sizes may be marketed.

Carbetocin should be used only in well-equipped specialist obstetrics units.

Marketing Authorisation Holder and Manufacturer

Farmak Pharmaceuticals UK Ltd

First Floor, 47 Queen Street,

Hull, HU1 1UU,

United Kingdom

This leaflet was last revised in October 2025.

WIP URN: 170625-XXXXX-PIL-01

WIP URN✓170625-XXXXX-PIL-01
APPROVED URN
JOBCarbetocin PIL
140 x 300mm
DATE17 June 2025
BOH APPROVAL DATE
SAVED ASXXXXX-01 Carbetocin PIL Farmak
PRINTS1 colour - black

About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PL 59209/0068

Last revision stated in the text: October 2025 · MHRA data as of 13 October 2026

What the sections and the side effect frequencies mean: How to read a patient leaflet

Found a mistake? Tell us on the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Carbetocin 100 micrograms/ml solution for injection

What these facts mean

Prescription needed?? Yes, prescription-only medicine (POM)
Active substance? Carbetocin
Strength? 100 micrograms/ml
Pharmaceutical form? Solution for injection
A clear colourless liquid.
How is it taken? Intravenous, Intramuscular
Excipients? L-Methionine, Succinic acid, Mannitol, Sodium hydroxide, Water for injections
Pack sizes 5 pre-filled disposable injection
Is it available?? Listed as available (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Shelf life? 2 years
Shelf-life after first opening the vial: the solution should be used immediately.
From a microbiological point of view, unless the method of opening/reconstitution/dilution precludes the risk of microbial contamination, the product should be used immediately.
If not used immediately, in-use storage times and conditions are the responsibility of the user.
Storage Store below 25°C. Do not freeze.
Store in the original package in order to protect from light
Drug group (ATC)? Oxytocin and analogues
  1. H Systemic hormonal preparations, excl. sex hormones and insulins
    1. H01 Pituitary and hypothalamic hormones and analogues
      1. H01B Posterior pituitary lobe hormones
        1. H01BB Oxytocin and analogues
          1. H01BB03 carbetocin
Marketing authorisation? PL 59209/0068 (first authorised 25 September 2025)
Marketing authorisation holder? Farmak Pharmaceuticals UK Ltd
Codes? GTIN 5391512457198 · BNF 07010100

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 11.1.0 of 9 November 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.