Ropinirole: 6 things you should know
Medically reviewed by C. Fookes, BPharm. Last updated on Oct 26, 2017.
1. How it works
- Ropinirole may be used for the treatment of Parkinson's Disease or restless legs syndrome. Ropinirole is thought to work by stimulating dopamine receptors in the brain, although its precise mechanism of action is unknown.
- Ropinirole belongs to the class of medicines known as dopaminergic anti-parkinsonism agents.
- Ropinirole (both immediate- and extended-release tablets) may be used for the treatment of Parkinson's Disease. Ropinirole helps relieve symptoms such as stiffness, tremors, muscle spasms and poor muscle control associated with PD. May be used alone or alongside other medications for PD.
- Immediate-release ropinirole may be considered for the treatment of restless legs syndrome.
- Generic ropinirole is available.
If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include:
- Dizziness, dyskinesia (abnormal movements), headache, falls, nausea, abdominal pain, and sleepiness.
- Dry mouth, increased sweating, joint aches and pains, vomiting, tremor, and infection have also been reported along with several other side effects.
- Some people have reported spontaneously falling asleep during the day while taking ropinirole. Many had no prior warning, such as excessive drowsiness. Some of these events occurred more than one year after ropinirole initiation and resulted in accidents.
- A slow upward titration of ropinirole is recommended over several weeks to lessen the risk of side effects developing. Ropinirole should also be discontinued slowly, over at least a week.
- May cause a drop in blood pressure which may cause a person to fall over or become unconscious, especially when going from a sitting or lying down position to standing.
- Some trials reported 10% of people developed hallucinations while taking ropinirole. The incidence was higher in people over the age of 65.
- May cause or exacerbate pre-existing dyskinesia (abnormal voluntary movements) and promote impulsive behaviors (such as gambling, spending sprees, sexual urges).
- May cause confusion and an elevated temperature on withdrawal; withdrawal should be done slowly on a doctor's advice.
- People with PD have a two to six-fold higher risk of developing melanoma compared with the rest of the population. It is unclear if this is a result of the disease or the medications used to treat PD.
- People with severe kidney disease receiving hemodialysis should be given a reduced dose of ropinirole.
- May not be suitable for some people including those with high or low blood pressure, heart disease, or with narcolepsy.
- Some people taking ropinirole for RLS have reported a worsening of symptoms and an earlier onset of symptoms in the evening (or even in the afternoon). Reconsider ropinirole administration if this happens.
- People who smoke may get less symptom relief from ropinirole because smoking increases the clearance of ropinirole.
- Sometimes irreversible fibrotic complications (such as thickening of the inner layers of the lungs and pericarditis) have been associated with ropinirole.
- May interact with several other drugs including estrogens, metoclopramide, and neuroleptics.
Notes: In general, seniors or children, people with certain medical conditions (such as liver or kidney problems, heart disease, diabetes, seizures) or people who take other medications are more at risk of developing a wider range of side effects. For a complete list of all side effects, click here.
- May be taken with or without food.
- May cause drowsiness, which may affect your ability to drive or operate machinery. Avoid alcohol and do not drive or perform hazardous tasks if you are affected. Reports of spontaneous, excessive drowsiness have been reported, even in people who have been taking ropinirole for over a year.
- Usually taken three times daily.
- When used for PD symptoms, a low starting dose should be used and the dose titrated slowly.
- If taking ropinirole for restless legs syndrome (RLS), take once daily, one to three hours before bed.
- Ensure you get regular skin checks while on ropinirole as there is a possibility of a higher risk of melanoma in people with PD.
- Early-morning rebound symptoms of RLS have been reported in people taking ropinirole for RLS. Tell your doctor if you experience any changes in your restless legs symptoms.
- Tell your doctor if you develop any unusual urges (for example, an urge to gamble, shop, spend money, or eat; or uncontrollable sexual urges).
- Tell your doctor if you develop any hallucinations or other psychotic-like symptoms, uncontrolled sudden movements, feel dizzy or faint, or fall asleep during normal activities.
6. Response and Effectiveness
Peak concentrations of ropinirole are achieved within one to two hours, but it takes approximately two days of regular dosing to reach stable blood levels in the body.
Ropinirole [Package Insert]. Revised 10/2018. Accord Healthcare Inc. https://www.drugs.com/pro/ropinirole.html
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use ropinirole only for the indication prescribed.
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