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What does it do?

Apomorphine is used to treat Parkinson’s disease. It acts like a chemical in your brain called dopamine. Dopamine helps your brain control your body movements.

Before you start

  • Tell your doctor if you have low blood pressure, mental health problems, asthma, or an allergy to sodium metabisulfite.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • Your doctor may do a heart test (ECG) before you start and while you are taking apomorphine.
  • You will need a blood test before you start and while you are taking apomorphine to check if it is causing a problem with your blood.
  • You will need to take domperidone for 3 days before starting apomorphine. This helps reduce nausea and vomiting that apomorphine can cause.

How is it given?

Apomorphine is usually given as an injection or infusion under the skin. It is important to change the area each time to help prevent skin problems.

Do not stop taking apomorphine without talking to your doctor first.

What if you forget a dose?

If it is nearly time for your next dose, skip the missed dose and inject your next dose at the usual time. Otherwise, inject the missed dose as soon as you remember. Do not inject two doses at the same time.

Can you take other medicines?

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. kava) or recreational drugs.

What side effects might you notice?

Side EffectsRecommended action

Confusion, unusual behaviour or thinking

Seeing, hearing or feeling things that aren’t really there

Suddenly falling asleep

Unusual urges (e.g. gambling, eating, spending, sex)

Squirming or wriggling movement (such as head wobble)

Tell your doctor

Nausea, vomiting

Dizziness, drowsiness, yawning

Unexpected erections

Tell your doctor if troublesome

Lightheaded or dizzy after standing up

Stand up slowly. If it continues, or is severe, tell your doctor

Small, firm lumps under the skin where injections are given

Change injection area each time and tell your health professional if troublesome

If you notice any other effects, discuss them with your doctor or pharmacist.

Other information:

  • Apomorphine can impair your ability to do tasks such as driving or using machines. Alcohol makes this worse. Discuss your risk with your health professional. See Are you safe to drive?
  • If apomorphine is spilt, it can leave a permanent dark green mark. Immediately using stain removers may help avoid this.
  • Store apomorphine as directed. Check the expiry before use. If you have any apomorphine leftover which has passed its expiry date, take it back to your pharmacy.

This leaflet contains important, but not all, information about this medicine.

Prepared by the MyMedicines Committee at Christchurch Hospital, Te Whatu Ora - Waitaha, New Zealand. February 2026

For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?

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About My Medicines

My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.

For more information about the sheets, see: What does a My Medicines sheet cover?

My Medicines is developed by a team at Te Whatu Ora – Waitaha. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed