CDHB

Levodopa, carbidopa and entacapone

lee-voe-doe-pa, kar-bi-doe-pa, and en-ta-ka-pone

What does it do?

Levodopa, carbidopa and entacapone is used to treat Parkinson’s disease. Levodopa changes into dopamine in your body. Dopamine helps your brain control your body movements. Carbidopa and entacapone help to get more levodopa into your brain.

Before you start

  • Tell your doctor if you have heart or mental health problems, or if you have angle-closure glaucoma.

How should you take it?

Take levodopa, carbidopa and entacapone regularly as directed with a glass of water. You can take it with or without food.

Do not stop taking levodopa, carbidopa and entacapone suddenly 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 take your next dose at the usual time. Otherwise, take the missed dose as soon as you remember. Do not take two doses at the same time.

Can you take other medicines?

Some medicines available without a prescription may react with levodopa, carbidopa and entacapone including:

  • iron supplements (e.g. Ferro-Tab®)

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

Symptoms of a fast or irregular heartbeat including: fluttering, pounding or pain in your chest, dizziness or fainting

Tell your doctor immediately

Squirming or wriggling movement (such as head wobble)

Hallucinations, mood changes

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

Falling asleep without warning

Persistent diarrhoea, abdominal pain

Tell your doctor

Drowsiness

Diarrhoea, dry mouth or throat

Tell your doctor if troublesome

Lightheaded or dizzy after standing up

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

Change in urine colour (red/brown)

This is harmless

Nausea, vomiting

Can happen when you first start but should improve. Try taking with a snack such as a cracker or a biscuit. Tell your doctor if doesn't improve.

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

Other information:

  • Levodopa, carbidopa and entacapone 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?
  • Eating a lot of protein may affect how well levodopa, carbidopa and entacapone works for you. Talk to your health professional about the best way for you to take levodopa, carbidopa and entacapone in relation to food.