ropinirole hydrochloride at a glance
Medicine class
Non-ergoline dopamine D2/D3 receptor agonist
Tablet types
Immediate-release and prolonged-release tablets have different licensed uses and administration instructions
Important safety issue
Sleepiness, sudden sleep onset and impulse-control changes can occur
Stopping treatment
Do not stop suddenly; withdrawal effects and neuroleptic malignant syndrome can occur
What is ropinirole hydrochloride used for?
Licensed uses of the selected products include:
Parkinson’s disease, either without levodopa or alongside levodopa when its effect becomes inconsistent or wears off.
Moderate to severe idiopathic restless legs syndrome, for selected immediate-release tablets only.
How does ropinirole hydrochloride work?
Ropinirole stimulates dopamine D2 and D3 receptors in brain pathways involved in movement, partly substituting for reduced dopamine signalling in Parkinson’s disease.
ropinirole hydrochloride preparations and strengths
Modified-release tablet
Route: Oral
Strengths: 2 mg, 4 mg, 8 mg
Tablet
Route: Oral
Strengths: 0.25 mg, 0.5 mg, 1 mg, 2 mg, 2.0 mg, 5 mg
How to take ropinirole hydrochloride
Follow the dispensing label because instructions depend on the formulation and indication.
Swallow tablets with water.
Taking immediate-release tablets with food may reduce nausea.
Swallow prolonged-release tablets whole; do not chew, crush or divide them.
Prolonged-release tablets may be taken with or without food, but a high-fat meal can substantially increase exposure.
Do not stop treatment suddenly without prescriber advice.
ropinirole hydrochloride side effects
Common or expected effects
- Nausea or vomiting
- Sleepiness, tiredness or weakness
- Dizziness, including dizziness on standing
- Abdominal discomfort or heartburn
- Fainting
- Hallucinations
- Involuntary movements, particularly with levodopa
Get urgent medical advice
- Sudden sleep onset or severe daytime sleepiness
- Uncontrollable gambling, spending, eating or sexual urges
- Delusions, paranoia, marked confusion or mania
- Severe allergic reaction with swelling, breathing difficulty or collapse
- High temperature, severe stiffness, confusion or reduced consciousness after abrupt withdrawal
- Worsening restless legs symptoms, earlier onset or spread to other limbs
ropinirole hydrochloride in pregnancy
Ropinirole is not commonly used during pregnancy because human safety information is limited. Product information recommends avoiding it unless expected benefit outweighs potential fetal risk. Contact the prescriber promptly if pregnancy occurs; do not stop suddenly.
ropinirole hydrochloride while breastfeeding
Use while breastfeeding requires specialist advice. Transfer into human milk is uncertain, risk to the infant cannot be excluded, and ropinirole can reduce milk production. Selected product information advises against use while nursing.
ropinirole hydrochloride interactions
Tell the prescriber or pharmacist about all medicines, supplements and changes in smoking.
Metoclopramide, sulpiride and other central dopamine antagonists
They can oppose ropinirole’s effect and reduce effectiveness; combined use is generally avoided.
Ciprofloxacin, enoxacin, fluvoxamine and other CYP1A2 inhibitors
They can increase ropinirole exposure and adverse effects.
Common questions about ropinirole hydrochloride
Answers are fully visible for fast scanning and source review.
Can ropinirole cause sudden sleep?
Yes. Sudden sleep onset can occur, sometimes without warning. Do not drive, cycle or operate machinery if this happens, and contact the prescriber promptly.
Can ropinirole cause compulsive behaviour?
Yes. It can cause uncontrollable gambling, shopping, eating, sexual urges or other impulsive behaviour. Report these changes promptly.
Sources
These sources were used to prepare and review this medicine page.
Prepared and reviewed by the iatroX editorial team.