Stalevo® (Carbidopa/Entacapone/Entacapone) — Information for Patients in Australia
Stalevo® is a combination medicine used to help manage symptoms of Parkinson’s disease. It contains: carbidopa and entacapone (Stalevo formulations in Australia are typically described as carbidopa/levodopa with entacapone; always check your specific product’s strength and ingredients on the packaging). This page provides patient-friendly information about how Stalevo works, how it is usually taken, common interactions, and practical tips to support safe use.
Important: Use only as directed by your clinician and read the Consumer Medicine Information (CMI) for your exact Stalevo strength and formulation.
Quick Facts
- Brand name: Stalevo®
- Active ingredients: Carbidopa and Entacapone (in combination with levodopa in standard Stalevo products)
- Used for: Parkinson’s disease, particularly “wearing off” episodes between doses
- How it works: Improves and prolongs the effect of levodopa in the brain
- Common side effects: nausea, diarrhoea, dizziness, and changes in urine colour
- Key safety note: may interact with several medicines and supplements
What is Stalevo?
Stalevo® is designed for people with Parkinson’s disease who take levodopa but experience symptoms returning before the next dose. It combines medicines that work together to improve symptom control and reduce fluctuations (sometimes called “off” periods).
Your Stalevo strength (tablet dose) may vary. Different strengths change how much levodopa and entacapone you receive per tablet. Always confirm your exact tablet strengths on the blister pack or box.
How Stalevo Works (Mechanism of Action)
Parkinson’s disease is associated with reduced dopamine activity in the brain. Levodopa helps restore dopamine function, improving movement-related symptoms. However, levodopa can be broken down in the body before it reaches the brain.
Stalevo helps by combining:
- Carbidopa: reduces the breakdown of levodopa outside the brain, helping more levodopa reach the brain. This can also lower some side effects related to levodopa.
- Entacapone: a medicine that inhibits catechol-O-methyltransferase (COMT), an enzyme that breaks down levodopa. By blocking COMT, entacapone prolongs levodopa’s effect and can reduce “wearing off”.
Together, these actions help you maintain steadier symptom control across the day.
Pharmacokinetics: How the Body Processes the Medicine
“Pharmacokinetics” refers to absorption, distribution, metabolism, and elimination. While individual responses vary, the general patterns for levodopa/carbidopa combinations and entacapone include:
- Absorption: Stalevo is absorbed through the gastrointestinal tract. The onset of symptom relief often occurs within about 30–60 minutes after a dose, depending on factors such as meal timing and individual metabolism.
- Effect duration: Entacapone helps extend levodopa’s clinical effect, which may reduce fluctuations between doses.
- Distribution and metabolism: Levodopa reaches the brain and is converted to dopamine. Entacapone works mainly by inhibiting COMT metabolism pathways.
- Excretion: Metabolites are eliminated primarily via the body’s normal clearance routes. Entacapone is also associated with changes in urine colour (often orange/brown), which is harmless for most people.
If you notice symptoms changing significantly after starting or adjusting Stalevo, discuss timing and dosing with your clinician.
Typical Uses and Indications
Stalevo is used in people with Parkinson’s disease who are taking levodopa and experience:
- “Wearing off” between doses (return of symptoms before the next levodopa dose is due)
- Need for improved control of motor fluctuations during the day
It may be considered when levodopa alone no longer provides consistent benefit. Your clinician will determine whether Stalevo is appropriate based on symptom patterns and your current medication regimen.
How to Take Stalevo (Timing and Dosing Basics)
Dosing is individual. Your exact schedule depends on your current levodopa regimen, the severity of symptoms, and how frequently you take doses. Always follow your clinician’s instructions and check your product label for the number of tablets per dose.
General timing guidance
- Take at consistent times to maintain steadier symptom control.
- Spread doses across the day according to your plan to manage both “on” and “off” periods.
- Do not change your dose frequency without advice.
Starting or adjusting dose
Dose adjustments are usually made gradually. If you miss a tablet, do not take extra doses to “catch up” unless instructed.
Food timing and absorption
Food can influence how quickly your body absorbs levodopa/carbidopa combinations. In general:
- High-protein meals may reduce levodopa absorption for some people.
- Taking Stalevo with a light snack may help if you experience nausea, but discuss your approach with your clinician.
If your symptoms become unpredictable after meals, consider tracking dose timing relative to meals and discuss with your healthcare team.
Food Interactions (What to Watch For)
Dietary factors can affect levodopa’s effectiveness, particularly protein intake.
- Protein (amino acids): Competes with levodopa for transport into the brain. A high-protein meal may delay or reduce benefit.
- Meal size: Larger, heavier meals may slow absorption and delay “on” time for some people.
Practical strategies sometimes used under clinical guidance include:
- Keeping protein intake consistent across the day.
- Timing some protein away from doses (this should be guided by your clinician/dietitian to ensure adequate nutrition).
- Maintaining consistent meal routines to reduce symptom variability.
Alcohol Interactions
Alcohol can worsen Parkinson’s symptoms in some people and may increase side effects such as dizziness, drowsiness, or nausea. There is no single “safe” amount for everyone.
- Use caution with alcohol, especially when starting treatment or changing doses.
- Avoid binge drinking because it may amplify central nervous system side effects.
- If you experience light-headedness or falls, limit alcohol and discuss with your clinician.
Medicine Interactions (Important)
Stalevo can interact with several medicines and supplements. Tell your pharmacist or clinician about all current medicines, including over-the-counter products, herbal supplements, and vitamins.
Potential interaction categories
- Non-selective MAO inhibitors: may interact with levodopa, increasing risk of serious reactions. MAOIs require special management.
- Some antidepressants and antipsychotics: may affect blood pressure, movement symptoms, or drowsiness risk.
- Antihypertensives: because levodopa can lower blood pressure, the combination may increase dizziness or fainting.
- Other Parkinson’s medicines: combining therapies may increase side effects (such as dyskinesia) or require dose adjustment.
- Iron supplements: iron can reduce levodopa effectiveness when taken together (timing may matter).
- Drugs metabolised through specific liver pathways: entacapone can influence metabolism of certain medications.
Always check the labels
If you are unsure whether a product interacts with Stalevo, ask your pharmacist. Keep an updated list of medicines to share at appointments.
Common Side Effects and Safety Profile
Like all medicines, Stalevo can cause side effects. Many side effects are dose-related and may improve with adjustment or supportive care.
Common or notable side effects
- Nausea
- Diarrhoea (can be associated with entacapone)
- Dizziness or light-headedness
- Changes in urine colour (often orange/brown), generally harmless
- Stomach discomfort
- Dyskinesia (involuntary movements) in some people, especially if the levodopa dose is high
- Sleepiness or fatigue
Serious but less common risks
Seek medical help urgently if you experience symptoms that may indicate a serious reaction. Examples include:
- Severe allergic reaction: swelling of face/lips, difficulty breathing, or rash
- Severe persistent diarrhoea or signs of dehydration
- Chest pain, fainting, or significant worsening of blood pressure symptoms
- Confusion, fever, or muscle stiffness (particularly if severe)
If you develop new or worsening symptoms after starting Stalevo, contact your healthcare provider promptly.
When to be extra cautious
- Liver disease: entacapone may require careful monitoring.
- Low blood pressure: watch for dizziness on standing.
- History of melanoma: some Parkinson’s therapies require medical discussion and monitoring.
- Diarrhoea or bowel issues: discuss early management to avoid dehydration.
Practical Use Tips (How to Get the Best Results)
- Keep a symptom diary: note “on” time, “off” time, dose times, meal times, and side effects. This helps fine-tune dosing.
- Take doses consistently: regular timing can improve steadiness of symptom control.
- Manage nausea: some people find that taking a dose with a light snack helps (confirm with your clinician).
- Watch for diarrhoea early: if diarrhoea starts, contact your pharmacist/clinician for advice before it becomes severe.
- Fall precautions: dizziness can increase fall risk—move slowly when standing, and ensure safe home setup.
- Do not stop suddenly: abrupt changes may worsen symptoms. Any stopping should be planned with your clinician.
Alternative Options (Discuss With Your Clinician)
Parkinson’s treatment plans are individual. If Stalevo isn’t suitable or isn’t controlling symptoms well, your healthcare team may consider:
- Different levodopa/carbidopa regimens (adjusted dose frequency)
- Other COMT inhibitors (for selected patients)
- MAO-B inhibitors or other adjunct therapies (to reduce wearing off)
- Extended-release formulations in some cases
- Device-assisted or advanced therapies for particular patient groups
Only your clinician can determine the best alternative based on your symptoms, side effects, and current medications.
Dosing Overview (Patient-Friendly)
Dosing depends on your individual regimen and the specific tablet strength you are prescribed. Stalevo dosing plans are typically adjusted to:
- Reduce time spent in the “off” state
- Minimise side effects such as dyskinesia
- Maintain a tolerable blood pressure and overall wellbeing
Because Stalevo products come in multiple strengths, do not generalise exact tablet counts without checking your label and clinician instructions. If you have questions about your specific dose, speak with your pharmacist.
What to do if you miss a dose
- Do not double up to make up for a missed tablet.
- Take the next dose at the scheduled time unless your clinician has advised otherwise.
Market and Legal Context for Australia
In Australia, medicines are supplied under the national regulatory framework administered by the Therapeutic Goods Administration (TGA). Stalevo is an established Parkinson’s medicine product used under applicable Australian rules for supply and prescribing.
Online pharmacies in Australia may provide medicines only when legally permitted and where appropriate identification and documentation requirements are met. Always ensure you order from a reputable Australian-licensed pharmacy.
Note: Requirements and availability can vary by state and the specific product status. Your pharmacy can confirm current availability and expected delivery times.
Recent Guidance and Updates (What to Keep in Mind)
Guidance for Parkinson’s medicines can evolve based on new safety information, prescribing practices, and clinical evidence. While this page provides general patient information, it cannot replace updates from your clinician or official medicine documents.
- Monitoring: clinicians may review side effects, blood pressure, bowel function (diarrhoea), and movement changes.
- Drug interaction checks: always re-check interactions when new medications are started (including antibiotics, antidepressants, and supplements).
- Individual optimisation: dosing is often tailored over time to balance “on” time with minimising dyskinesia and other adverse effects.
For the most current official information, consult the latest Consumer Medicine Information (CMI) and speak with your healthcare provider.
Delivery, Availability, and Ordering Online (Australia)
Availability of Stalevo can vary depending on the specific strength and tablet count. Reputable Australian online pharmacies typically offer:
- Listing details (strength/brand, pack size, and formulation)
- Estimated delivery times based on location
- Order tracking where available
- Customer support to confirm suitability and help with interaction questions
To avoid delays, check:
- The exact strength and pack size you need
- Whether you have sufficient supply to cover delivery time
- Any requirements for identity verification or documentation at checkout
Storing Stalevo
Keep your tablets in the original packaging and store them according to the instructions on the label or CMI. Common storage principles include:
- Keep out of sight and reach of children
- Store at appropriate room temperature (unless stated otherwise on your pack)
- Protect from moisture and excessive heat
FAQ: Stalevo (Carbidopa/Entacapone) — Patient Questions
1. Why was I prescribed Stalevo?
Stalevo is usually used to improve control of Parkinson’s symptoms in people who experience “wearing off” between levodopa doses. It can help extend the benefit of each dose.
2. When should I expect my dose to start working?
Many people notice improvement within about 30–60 minutes, but timing can vary with meal patterns, other medicines, and individual response. If your “on” time changes, discuss dose timing and meal effects with your clinician.
3. Can I take Stalevo with food?
Stalevo can usually be taken with or without food, but food—especially high-protein meals—may affect levodopa absorption. If your symptoms are inconsistent after meals, consider discussing meal timing and protein intake strategies.
4. Does entacapone change urine colour?
Yes. Stalevo may cause urine to become orange or brown. This is typically harmless and related to medication metabolism. Seek medical advice if you also have pain, burning, or other urinary symptoms.
5. What should I do if I get diarrhoea?
Diarrhoea can be a side effect associated with entacapone. If diarrhoea is mild, ensure adequate fluids. If it is persistent, severe, or you feel unwell, contact your pharmacist or clinician promptly.
6. Is alcohol safe with Stalevo?
Alcohol may worsen dizziness, nausea, or drowsiness. Use caution and avoid excessive drinking, especially when starting treatment or adjusting your dose.
7. Are there foods or drinks I should avoid?
There is no single “forbidden” food, but high-protein meals can reduce levodopa effectiveness for some people. Alcohol may worsen side effects. If you notice patterns, discuss them with your healthcare team.
8. What medicines commonly interact with Stalevo?
Interactions can occur with certain antidepressants (including MAOIs), some antipsychotics, antihypertensives, iron supplements, and other Parkinson’s medicines. Always provide a full list of your medicines and supplements when ordering.
9. Can I drive or operate machinery?
Stalevo can cause dizziness or sleepiness in some people. Avoid driving or hazardous activities if you feel drowsy, light-headed, or have sudden “sleep episodes.” Your clinician can advise based on your response.
10. What if I need pain relief or a cold medicine?
Many over-the-counter products are safe, but some may interact or worsen side effects. Check with your pharmacist—especially if the product affects blood pressure, sleepiness, or contains ingredients that may interact with Parkinson’s therapies.
11. Is Stalevo the only option?
No. Treatment may include different levodopa regimens, other add-on medicines, or different formulations depending on symptoms and side effects. Discuss alternatives with your clinician.
Summary
Stalevo® (carbidopa/entacapone combination) is used to help manage Parkinson’s disease symptoms, particularly by reducing “wearing off” effects. By improving levodopa availability and extending its action, it may support more consistent daily symptom control. Safe and effective use depends on: correct timing, awareness of food and medicine interactions, monitoring for side effects (including diarrhoea and dizziness), and ongoing communication with your healthcare team.
If you have questions about your specific Stalevo strength, your dosing schedule, or whether another medicine may interact, contact your pharmacist for tailored advice.

