Requip 1mg Tablets

Manufacturer GSK Active Ingredient Ropinirole Tablets(roe PIN i role) Pronunciation roe PIN i role
It is used to treat Parkinson's disease.It is used to treat restless leg syndrome.
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Drug Class
Antiparkinsonian agent; Agent for restless legs syndrome
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Pharmacologic Class
Dopamine agonist
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Pregnancy Category
Category C
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FDA Approved
Sep 1997
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Ropinirole is a medication that works like a natural brain chemical called dopamine. It's used to treat Parkinson's disease by helping to improve movement, and it's also used for Restless Legs Syndrome to reduce uncomfortable leg sensations and the urge to move them.
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How to Use This Medicine

Taking Your Medication Correctly

To get the most benefit from your medication, take it exactly as directed by your doctor. Carefully read all the information provided with your prescription, and follow the instructions closely. You can take this medication with or without food. Continue taking the medication as prescribed by your doctor or healthcare provider, even if you start to feel better. If you need to stop taking the medication, consult with your doctor first, as you may need to restart with a lower dose and gradually increase it.

For individuals taking this medication for restless leg syndrome, take the dose 1 to 3 hours before bedtime.

Storing and Disposing of Your Medication

To maintain the effectiveness and safety of your medication, store it at room temperature, protected from light, and in a dry place. Avoid storing it in a bathroom. Keep the container tightly closed and out of reach of children and pets. Dispose of unused or expired medication properly. Do not flush it down the toilet or pour it down the drain unless instructed to do so by your pharmacist. If you have questions about disposing of your medication, consult with your pharmacist, who can also inform you about potential drug take-back programs in your area.

What to Do If You Miss a Dose

If you miss a dose, take it as soon as you remember. However, if it's close to the time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Avoid taking two doses at the same time or taking extra doses. If you miss several days of medication, contact your doctor for guidance on how to safely restart your medication regimen.
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Lifestyle & Tips

  • Take exactly as prescribed; do not stop abruptly without consulting your doctor.
  • May be taken with food to reduce nausea.
  • Avoid alcohol and other sedating medications, as they can increase drowsiness.
  • Be cautious when driving or operating machinery, especially when starting treatment or increasing dose, due to potential for sudden sleep attacks or drowsiness.
  • Stand up slowly from a sitting or lying position to minimize dizziness from low blood pressure.
  • Report any new or unusual urges or behaviors (e.g., gambling, increased sexual urges, compulsive shopping, binge eating) to your doctor immediately.

Dosing & Administration

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Adult Dosing

Standard Dose: Varies by indication and requires titration.
Dose Range: 0.25 - 24 mg

Condition-Specific Dosing:

Parkinson's Disease (PD) - Initial: 0.25 mg three times daily (TID) for 1 week. Increase weekly by 0.25 mg TID increments to 0.5 mg TID, then 0.75 mg TID, then 1 mg TID. Further increases by 1.5 mg/day increments weekly up to 9 mg/day, then by 3 mg/day increments weekly. Max 24 mg/day.
Restless Legs Syndrome (RLS) - Initial: 0.25 mg once daily, 1-3 hours before bedtime, for 2 days. Then 0.5 mg once daily for 5 days. Then 1 mg once daily for 7 days. Further increases by 0.5 mg or 1 mg increments weekly. Max 4 mg/day.
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Pediatric Dosing

Neonatal: Not established
Infant: Not established
Child: Not established
Adolescent: Not established
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Dose Adjustments

Renal Impairment:

Mild: No adjustment needed (CrCl 30-50 mL/min)
Moderate: No adjustment needed (CrCl 30-50 mL/min)
Severe: Caution, consider dose reduction (CrCl < 30 mL/min). Limited data.
Dialysis: Not well studied. Caution, consider dose reduction. Ropinirole is not significantly removed by hemodialysis.

Hepatic Impairment:

Mild: No specific adjustment recommended.
Moderate: No specific adjustment recommended.
Severe: Caution, monitor for adverse effects. Dose adjustment may be necessary based on clinical response and tolerability.

Pharmacology

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Mechanism of Action

Ropinirole is a non-ergoline dopamine agonist that selectively stimulates D2 and D3 dopamine receptors in the brain. The precise mechanism of action in Parkinson's disease is thought to be related to its ability to stimulate postsynaptic D2-type receptors in the caudate-putamen, thereby mimicking dopamine. For Restless Legs Syndrome, the mechanism is unknown but is presumed to involve dopaminergic pathways in the central nervous system.
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Pharmacokinetics

Absorption:

Bioavailability: Approximately 55%
Tmax: 1-2 hours
FoodEffect: Food delays Tmax by approximately 2.5 hours but does not affect AUC or Cmax.

Distribution:

Vd: Approximately 7.5 L/kg
ProteinBinding: 10-15%
CnssPenetration: Yes

Elimination:

HalfLife: Approximately 6 hours
Clearance: Approximately 400 mL/min
ExcretionRoute: Renal (primarily as metabolites)
Unchanged: <10%
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Pharmacodynamics

OnsetOfAction: Gradual (requires titration for therapeutic effect)
PeakEffect: Not directly applicable as effect is cumulative with titration
DurationOfAction: Approximately 6-8 hours (for immediate release)

Safety & Warnings

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Side Effects

Serious Side Effects: Seek Medical Help Right Away

Although rare, some people may experience severe and potentially life-threatening side effects while taking this medication. If you notice any of the following symptoms, contact your doctor or seek medical attention immediately:

Signs of an allergic reaction: rash, hives, itching, red, swollen, blistered, or peeling skin (with or without fever), wheezing, tightness in the chest or throat, trouble breathing, swallowing, or talking, unusual hoarseness, or swelling of the mouth, face, lips, tongue, or throat
Signs of high or low blood pressure: severe headache or dizziness, fainting, or changes in vision
Signs of a urinary tract infection (UTI): blood in the urine, burning or pain while urinating, frequent or urgent need to urinate, fever, lower abdominal pain, or pelvic pain
Confusion, difficulty focusing, or changes in behavior
Strong, uncontrollable urges (such as eating, gambling, sex, or spending money)
Changes in vision
Chest pain or pressure
Abnormal heartbeat (fast, slow, or irregular)
Hallucinations (seeing or hearing things that are not there)
Mood changes
Shortness of breath
Trouble controlling body movements (new or worsening)
Swelling
Burning, numbness, or tingling sensations that are not normal
Memory problems or loss
Fever
Muscle stiffness

Some people have experienced sudden, uncontrollable sleepiness while taking this medication, even up to 1 year after starting treatment. This can occur during activities like driving, eating, or talking, and may happen without feeling sleepy beforehand. If you experience sudden sleepiness, do not drive or engage in activities that require alertness. Contact your doctor immediately if you experience sudden sleepiness or excessive sleepiness.

Other Possible Side Effects

Like all medications, this drug can cause side effects. Many people may not experience any side effects or only mild ones. However, if you notice any of the following side effects or any other symptoms that bother you or do not go away, contact your doctor:

Constipation, diarrhea, stomach pain, upset stomach, or vomiting
Dizziness, drowsiness, tiredness, or weakness
Headache
Excessive sweating
Dry mouth
Joint pain
Feeling nervous or excitable
Shakiness
Anxiety
Nose or throat irritation
Back pain

This is not an exhaustive list of possible side effects. If you have questions or concerns about side effects, contact your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
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Seek Immediate Medical Attention If You Experience:

  • Sudden onset of sleep during daily activities (even without warning)
  • Severe dizziness or fainting upon standing
  • Hallucinations (seeing or hearing things that are not there)
  • Uncontrolled, involuntary movements (dyskinesia)
  • New or increased urges to gamble, shop, eat, or engage in sexual activity
  • Unusual confusion or agitation
  • Swelling in the legs or ankles
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Before Using This Medicine

Before Taking This Medication: Important Information to Share with Your Doctor

It is essential to inform your doctor about the following:

Any allergies you have, including allergies to this medication, its components, or other substances. Be sure to describe the allergic reaction you experienced, including any symptoms that occurred.
If you are currently taking another medication that contains the same active ingredient as this drug.
Potential interactions with other medications or health conditions. To ensure safe use, disclose all your medications, including:
+ Prescription and over-the-counter (OTC) drugs
+ Natural products
+ Vitamins
Any existing health problems, as they may affect the safety of taking this medication.

Remember to consult with your doctor before making any changes to your medication regimen, including starting, stopping, or adjusting the dose of any medication. Your doctor will help determine whether it is safe to take this medication with your other medications and health conditions.
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Precautions & Cautions

Important Warnings and Cautions

It is essential to inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication.

Caution with Daily Activities
Until you know how this medication affects you, avoid driving and other tasks that require alertness. To minimize the risk of dizziness or fainting, get up slowly from a sitting or lying position, and be cautious when climbing stairs.

Stopping the Medication
Do not stop taking this medication without consulting your doctor, as this may lead to withdrawal symptoms. If you need to stop taking this medication, follow your doctor's instructions. Be aware of potential withdrawal symptoms, including fever, confusion, severe muscle stiffness, apathy, anxiety, depression, fatigue, sleep disturbances, sweating, or pain, and contact your doctor immediately if you experience any of these symptoms.

Smoking and Medication Dosage
If you start or stop smoking, discuss this with your doctor, as your medication dosage may need to be adjusted.

Interactions with Other Substances
Before consuming alcohol, marijuana, or other forms of cannabis, or taking prescription or over-the-counter medications that may cause drowsiness, consult your doctor.

Monitoring Your Condition
Follow your doctor's instructions for monitoring your blood pressure and heart rate.

Neuroleptic Malignant Syndrome (NMS)
Be aware of the risk of NMS, a potentially life-threatening condition that can occur when medications like this one are stopped abruptly or when the dosage is lowered. Seek immediate medical attention if you experience fever, muscle cramps or stiffness, dizziness, severe headache, confusion, changes in thinking, rapid or abnormal heartbeat, or excessive sweating.

Special Considerations for Older Adults
If you are 65 or older, use this medication with caution, as you may be more susceptible to side effects.

Pregnancy and Breastfeeding
Inform your doctor if you are pregnant, plan to become pregnant, or are breastfeeding, as you will need to discuss the potential benefits and risks to you and your baby.

Restless Leg Syndrome
If your symptoms worsen or occur earlier in the day, notify your doctor.
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Overdose Information

Overdose Symptoms:

  • Nausea
  • Vomiting
  • Dizziness
  • Somnolence
  • Orthostatic hypotension
  • Sweating
  • Palpitations
  • Abdominal pain
  • Agitation
  • Confusion
  • Psychotic behavior

What to Do:

Seek immediate medical attention. Call 911 or Poison Control at 1-800-222-1222. Management is generally supportive, including maintaining blood pressure and treating symptoms.

Drug Interactions

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Major Interactions

  • CYP1A2 inhibitors (e.g., ciprofloxacin, fluvoxamine): Can significantly increase ropinirole plasma levels, requiring dose reduction of ropinirole.
  • Dopamine antagonists (e.g., neuroleptics like phenothiazines, butyrophenones, thioxanthenes; metoclopramide): May reduce the efficacy of ropinirole.
  • Estrogens (e.g., hormone replacement therapy): May decrease ropinirole clearance, leading to increased plasma levels. Dose adjustment of ropinirole may be needed.
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Moderate Interactions

  • CNS depressants (e.g., alcohol, sedatives, hypnotics, anxiolytics): May enhance the sedative effects of ropinirole.
  • Other drugs metabolized by CYP1A2 (e.g., theophylline): Potential for competitive inhibition, though clinical significance is generally low for ropinirole.
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Confidence Interactions

Monitoring

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Baseline Monitoring

Blood Pressure (Orthostatic)

Rationale: To assess baseline risk for orthostatic hypotension, a common side effect.

Timing: Prior to initiation

Renal Function (CrCl)

Rationale: To guide dosing in severe renal impairment.

Timing: Prior to initiation, if renal impairment is suspected or known.

Hepatic Function (LFTs)

Rationale: To assess baseline liver health, as ropinirole is extensively metabolized by the liver.

Timing: Prior to initiation, if hepatic impairment is suspected or known.

Mental Status/Psychiatric History

Rationale: To identify predisposition to impulse control disorders or psychosis.

Timing: Prior to initiation

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Routine Monitoring

Blood Pressure (Orthostatic)

Frequency: Regularly, especially during dose titration and if symptoms of dizziness or syncope occur.

Target: Maintain within patient's normal limits, minimize symptomatic drops.

Action Threshold: Symptomatic orthostatic hypotension (e.g., >20 mmHg drop in systolic BP or >10 mmHg drop in diastolic BP with symptoms) requires dose adjustment or discontinuation.

Efficacy (PD/RLS symptom control)

Frequency: Regularly during titration and maintenance.

Target: Improved motor symptoms (PD) or reduced RLS symptoms.

Action Threshold: Lack of efficacy or worsening symptoms may require dose increase or alternative therapy.

Adverse Effects (e.g., somnolence, sudden sleep attacks, hallucinations, dyskinesia, impulse control disorders)

Frequency: At each visit, especially during titration.

Target: Absence or minimal, tolerable side effects.

Action Threshold: Significant or intolerable side effects require dose reduction, discontinuation, or symptomatic management.

Mental Status/Behavioral Changes

Frequency: Regularly, inquire about new or worsening compulsive behaviors (e.g., gambling, hypersexuality, binge eating, compulsive shopping).

Target: Normal behavior.

Action Threshold: Development of impulse control disorders requires dose reduction, discontinuation, or referral to a specialist.

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Symptom Monitoring

  • Orthostatic hypotension (dizziness, lightheadedness, fainting)
  • Somnolence/drowsiness
  • Sudden sleep attacks
  • Nausea/vomiting
  • Dyskinesia (in PD patients)
  • Hallucinations
  • Confusion
  • Impulse control disorders (e.g., pathological gambling, hypersexuality, compulsive shopping, binge eating)
  • Peripheral edema
  • Worsening of RLS symptoms (augmentation)

Special Patient Groups

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Pregnancy

Category C. Use only if the potential benefit justifies the potential risk to the fetus. Animal studies have shown adverse effects on fetal development at doses higher than human therapeutic doses.

Trimester-Specific Risks:

First Trimester: Potential for developmental toxicity observed in animal studies.
Second Trimester: Potential for developmental toxicity observed in animal studies.
Third Trimester: Potential for developmental toxicity observed in animal studies. May inhibit lactation.
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Lactation

Ropinirole is excreted in rat milk and is expected to be excreted in human milk. It may inhibit lactation due to its dopamine agonist activity. A decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

Infant Risk: Potential for adverse effects on the breastfed infant (e.g., somnolence, feeding difficulties) and inhibition of lactation.
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Pediatric Use

Safety and effectiveness have not been established in pediatric patients for either Parkinson's disease or Restless Legs Syndrome. Use is not recommended.

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Geriatric Use

No overall differences in safety or effectiveness were observed between elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out. Start with lower doses and titrate slowly, monitoring closely for adverse effects, particularly orthostatic hypotension and CNS effects.

Clinical Information

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Clinical Pearls

  • **Titration is Key:** Ropinirole requires slow, gradual dose titration to minimize common side effects like nausea, dizziness, and somnolence. Patients should be educated on the importance of this process.
  • **Sudden Sleep Attacks:** Warn patients about the potential for sudden onset of sleep, even during activities like driving. Advise caution with activities requiring mental alertness.
  • **Impulse Control Disorders (ICDs):** Educate patients and their caregivers about the risk of ICDs (e.g., pathological gambling, hypersexuality, compulsive shopping, binge eating). These can be severe and may require dose reduction or discontinuation.
  • **Orthostatic Hypotension:** Advise patients to rise slowly from sitting or lying positions to reduce the risk of dizziness or fainting.
  • **Augmentation in RLS:** In RLS, monitor for augmentation (worsening of RLS symptoms, earlier onset, or spread to other body parts) which can occur with long-term dopamine agonist use. This may require dose adjustment or switching therapy.
  • **Withdrawal Symptoms:** Do not discontinue abruptly, especially in PD patients, as this can lead to a neuroleptic malignant syndrome-like syndrome or withdrawal symptoms (e.g., apathy, anxiety, depression, fatigue, sweating, pain).
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Alternative Therapies

  • Other dopamine agonists (e.g., pramipexole, rotigotine)
  • Levodopa/carbidopa (for Parkinson's Disease)
  • MAO-B inhibitors (e.g., selegiline, rasagiline - for Parkinson's Disease)
  • COMT inhibitors (e.g., entacapone, tolcapone - for Parkinson's Disease)
  • Amantadine (for Parkinson's Disease)
  • Gabapentin/Pregabalin (for Restless Legs Syndrome)
  • Opioids (for severe, refractory RLS, with caution)
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Cost & Coverage

Average Cost: Varies widely (generic) per 30 tablets
Generic Available: Yes
Insurance Coverage: Tier 1 or 2 (generic), Tier 3 or higher (brand)
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General Drug Facts

If your symptoms or health issues persist or worsen, it's essential to contact your doctor for further guidance. To ensure your safety, never share your medication with others or take someone else's medication. Some medications may come with an additional patient information leaflet, so be sure to check with your pharmacist for more information. If you have any questions or concerns about your medication, don't hesitate to reach out to your doctor, nurse, pharmacist, or other healthcare provider. In the event of a suspected overdose, immediately call your local poison control center or seek emergency medical attention. When seeking help, be prepared to provide details about the medication taken, the amount, and the time it happened.