Pramipexole 0.125mg Tablets

Manufacturer GLENMARK PHARMACEUTICALS Active Ingredient Pramipexole Tablets(pra mi PEKS ole) Pronunciation pra mi PEKS ole
It is used to treat Parkinson's disease.It is used to treat restless leg syndrome.
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Drug Class
Antiparkinsonian agent; Restless Legs Syndrome (RLS) agent
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Pharmacologic Class
Dopamine agonist (non-ergot)
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Pregnancy Category
Category C
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FDA Approved
Jul 1997
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Pramipexole is a medication used to treat Parkinson's disease and Restless Legs Syndrome (RLS). It works by acting like a natural chemical in your brain called dopamine, which helps control movement. For Parkinson's, it helps improve symptoms like tremor, stiffness, and slow movement. For RLS, it helps reduce the uncomfortable sensations and urge to move your legs.
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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, but if it causes stomach upset, take it with food to help minimize this side effect. Continue taking your medication as prescribed by your doctor or healthcare provider, even if you start feeling well.

Special Instructions for Restless Leg Syndrome

If you are taking this medication for restless leg syndrome, take your dose 2 to 3 hours before bedtime. It's essential to inform your doctor if your symptoms worsen or start occurring earlier in the day.

Storing and Disposing of Your Medication

Store your medication at room temperature, protected from light, and in a dry place. Avoid storing it in a bathroom. Keep all medications in a safe location, out of the reach of children and pets. When disposing of unused or expired medication, do not flush it down the toilet or pour it down the drain unless instructed to do so by your pharmacist. Instead, check with your pharmacist for guidance on the best disposal method, or look into drug take-back programs in your area.

What to Do If You Miss a Dose

If you miss a dose, skip it and resume your regular dosing schedule. Do not take two doses at the same time or take extra doses. If you miss taking your medication for several days in a row, contact your doctor before restarting your medication to ensure it's safe to do so.
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Lifestyle & Tips

  • Take exactly as prescribed, do not stop suddenly without consulting your doctor.
  • Be aware of potential sudden sleep attacks; avoid driving or operating heavy machinery if you experience excessive sleepiness.
  • Rise slowly from a sitting or lying position to minimize dizziness from low blood pressure.
  • Avoid alcohol and other CNS depressants, as they can increase drowsiness.
  • Report any new or unusual behaviors, such as compulsive gambling, increased sexual urges, or excessive shopping, to your doctor immediately.

Dosing & Administration

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Adult Dosing

Standard Dose: Parkinson's Disease: Initial 0.125 mg TID, titrated weekly. RLS: Initial 0.125 mg QHS, titrated weekly.
Dose Range: 0.125 - 4.5 mg

Condition-Specific Dosing:

Parkinson's Disease (initial): 0.125 mg three times daily (TID)
Parkinson's Disease (maintenance): 1.5 mg to 4.5 mg per day in 3 divided doses
Restless Legs Syndrome (initial): 0.125 mg once daily at bedtime (QHS)
Restless Legs Syndrome (maintenance): 0.125 mg to 0.5 mg once daily at bedtime
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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: CrCl 35-59 mL/min: Initial 0.125 mg BID for Parkinson's, 0.125 mg QHS for RLS. Max 2.25 mg/day for Parkinson's, 0.25 mg/day for RLS.
Moderate: CrCl 15-34 mL/min: Initial 0.125 mg QD for Parkinson's, 0.125 mg QHS every other day for RLS. Max 1.5 mg/day for Parkinson's, 0.125 mg/day for RLS.
Severe: CrCl <15 mL/min: Not recommended for Parkinson's. For RLS, consider 0.125 mg QHS twice weekly.
Dialysis: Not recommended for Parkinson's. For RLS, consider 0.125 mg QHS twice weekly, with careful monitoring.

Hepatic Impairment:

Mild: No adjustment needed
Moderate: No adjustment needed
Severe: No adjustment needed

Pharmacology

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Mechanism of Action

Pramipexole is a non-ergot dopamine agonist with high affinity and selectivity for the D2 subfamily of dopamine receptors, particularly D3 receptors. It is thought to exert its antiparkinsonian effects by stimulating dopamine receptors in the striatum. For RLS, the mechanism is unknown but presumed to involve dopaminergic system activity.
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Pharmacokinetics

Absorption:

Bioavailability: Approximately 90%
Tmax: 1-3 hours
FoodEffect: Food does not affect the extent of absorption, but Tmax may be delayed by 1 hour.

Distribution:

Vd: Approximately 400 L
ProteinBinding: Less than 20%
CnssPenetration: Yes

Elimination:

HalfLife: Approximately 8 hours (young adults), 12 hours (elderly)
Clearance: Approximately 30 L/hour (renal clearance)
ExcretionRoute: Renal (primarily unchanged)
Unchanged: More than 90%
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Pharmacodynamics

OnsetOfAction: Within hours to days (titration required for full effect)
PeakEffect: Weeks (after dose titration)
DurationOfAction: Approximately 8-12 hours (due to half-life)

Safety & Warnings

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Side Effects

Urgent 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, such as:
+ 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
+ Swelling of the mouth, face, lips, tongue, or throat
Strong, uncontrollable urges (e.g., eating, gambling, sex, or spending money)
Fever
Confusion
Muscle stiffness
Increased urination
Severe dizziness or fainting
Excessive sweating
Shortness of breath, significant weight gain, or swelling in the arms or legs
Changes in vision
New or worsening trouble controlling body movements
Difficulty moving around
Hallucinations (seeing or hearing things that are not there)
Memory problems or loss
Muscle pain or weakness, dark urine, or difficulty urinating
New or worsening mental, mood, or behavior changes

Some people have experienced sudden, uncontrolled sleepiness, including falling asleep while driving, eating, or talking. If this happens to you, do not drive or engage in activities that require alertness. Contact your doctor immediately if you experience excessive sleepiness or fall asleep during activities.

In rare cases, people have developed uncontrolled changes in posture, such as neck bending forward, bending forward at the waist, or tilting sideways while sitting, standing, or walking. These changes may occur several months after starting the medication or after a dose increase. If you notice any changes in your posture, contact your doctor.

Neuroleptic Malignant Syndrome (NMS): This is a rare but potentially life-threatening condition that can occur when medications like this one are stopped suddenly or the dose is lowered. If you experience any of the following symptoms, contact your doctor immediately:
Fever
Muscle cramps or stiffness
Dizziness
Severe headache
Confusion
Changes in thinking
Fast or abnormal heartbeat
Excessive sweating

Other Possible Side Effects

Most people do not experience significant side effects, but some may occur. If you notice any of the following side effects or any other unusual symptoms, contact your doctor or seek medical attention if they bother you or do not go away:
Headache
Constipation
Diarrhea
Upset stomach
Decreased appetite
Trouble sleeping
Dizziness
Sleepiness
Fatigue
Weakness
Dry mouth
Strange or vivid dreams
Muscle spasms
Weight loss
Stuffy nose
Flu-like symptoms

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
  • Hallucinations (seeing or hearing things that are not there)
  • Unusual urges or behaviors (e.g., gambling, shopping, eating, sexual urges)
  • Dizziness or lightheadedness when standing up
  • Uncontrolled, jerky movements (dyskinesia)
  • Worsening of RLS symptoms (augmentation) or symptoms appearing earlier in the day
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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, such as foods or drugs. Be sure to describe the symptoms you experienced.
If you have kidney disease, as this may affect how your body processes the medication.
* If you are currently taking another medication that contains the same active ingredient as this drug.

This list is not exhaustive, and it is crucial to discuss all your medications, including prescription and over-the-counter drugs, natural products, and vitamins, with your doctor and pharmacist. They will help you determine if it is safe to take this medication in combination with your other medications and health conditions.

Remember, do not start, stop, or change the dose of any medication without first consulting your doctor to ensure your safety.
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Precautions & Cautions

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

When starting this medication, be cautious when performing tasks that require alertness, such as driving, until you understand how it affects you. To minimize the risk of dizziness or fainting, get up slowly from a sitting or lying position, and be careful when climbing stairs.

Follow your doctor's instructions for monitoring your blood pressure. Do not discontinue this medication without consulting your doctor, as stopping it abruptly may lead to withdrawal symptoms. If you need to stop taking this medication, follow the tapering schedule recommended by your doctor. Immediately contact your doctor if you experience any of the following symptoms when reducing the dose or stopping the medication: fever, confusion, severe muscle stiffness, apathy, anxiety, depression, fatigue, sleep disturbances, sweating, or pain.

Avoid consuming alcohol while taking this medication. Before using marijuana, cannabis products, or prescription or over-the-counter medications that may cause drowsiness, consult with your doctor.

If you are 65 years or older, use this medication with caution, as you may be more susceptible to side effects. If you are pregnant, planning to become pregnant, or breastfeeding, discuss the potential benefits and risks to you and your baby with your doctor.
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Overdose Information

Overdose Symptoms:

  • Nausea
  • Vomiting
  • Dizziness
  • Somnolence
  • Hyperkinesia
  • Hallucinations
  • Orthostatic hypotension

What to Do:

There is no known antidote for pramipexole overdose. Treatment should be symptomatic and supportive. Gastric lavage, intravenous fluids, and ECG monitoring may be considered. Dopamine antagonists (e.g., neuroleptics) may be useful. Call 1-800-222-1222 (Poison Control).

Drug Interactions

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Major Interactions

  • Dopamine antagonists (e.g., antipsychotics, metoclopramide): May reduce the efficacy of pramipexole.
  • Cimetidine, Ranitidine, Diltiazem, Verapamil, Quinidine, Quinine: May decrease renal clearance of pramipexole, increasing its plasma levels.
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Moderate Interactions

  • CNS depressants (e.g., alcohol, sedatives, hypnotics): May potentiate sedative effects of pramipexole.
  • Antihypertensives: May increase risk of orthostatic hypotension.

Monitoring

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Baseline Monitoring

Renal function (CrCl)

Rationale: Pramipexole is primarily renally excreted; dose adjustment is necessary in renal impairment.

Timing: Prior to initiation

Blood pressure (orthostatic)

Rationale: Risk of orthostatic hypotension, especially at treatment initiation and dose escalation.

Timing: Prior to initiation

Mental status/Psychiatric history

Rationale: Risk of hallucinations, psychosis, and impulse control disorders.

Timing: Prior to initiation

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Routine Monitoring

Efficacy (Parkinson's symptoms, RLS symptoms)

Frequency: Regularly during titration and maintenance

Target: Improved motor function, reduced RLS symptoms

Action Threshold: Lack of improvement or worsening symptoms may require dose adjustment or alternative therapy.

Blood pressure (orthostatic)

Frequency: Regularly, especially during dose titration

Target: Stable BP, no symptomatic orthostasis

Action Threshold: Symptomatic orthostatic hypotension may require dose reduction or discontinuation.

Mental status/Behavioral changes (hallucinations, delusions, impulse control disorders, somnolence)

Frequency: Regularly

Target: Absence of new or worsening psychiatric symptoms or compulsive behaviors

Action Threshold: Emergence of these symptoms requires dose reduction, discontinuation, or psychiatric evaluation.

Sleepiness/Sudden onset of sleep

Frequency: Regularly

Target: No excessive daytime sleepiness or sudden sleep attacks

Action Threshold: Report of sudden sleep attacks or excessive somnolence requires counseling on driving/operating machinery and potential dose adjustment/discontinuation.

Renal function (CrCl)

Frequency: Periodically, especially in elderly or those with risk factors for renal decline

Target: Stable renal function

Action Threshold: Significant decline in CrCl requires dose adjustment.

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Symptom Monitoring

  • Dyskinesia (in Parkinson's patients, especially with levodopa co-administration)
  • Hallucinations
  • Delusions
  • Psychosis
  • Orthostatic hypotension (dizziness, lightheadedness upon standing)
  • Excessive daytime sleepiness
  • Sudden onset of sleep
  • Impulse control disorders (e.g., pathological gambling, hypersexuality, compulsive shopping, binge eating)
  • Augmentation (worsening of RLS symptoms with earlier onset or increased severity)
  • Rebound (worsening of RLS symptoms after discontinuation)

Special Patient Groups

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Pregnancy

Pramipexole is Pregnancy Category C. There are no adequate and well-controlled studies in pregnant women. Use only if the potential benefit justifies the potential risk to the fetus.

Trimester-Specific Risks:

First Trimester: Potential for developmental toxicity observed in animal studies at doses higher than human therapeutic doses.
Second Trimester: Not specifically studied, but general risks of dopamine agonists apply.
Third Trimester: Not specifically studied, but general risks of dopamine agonists apply.
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Lactation

Pramipexole is excreted in rat milk and may inhibit lactation in humans due to its dopamine agonist activity. It is not known if pramipexole is excreted in human milk. 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: L3 (Moderately safe). Potential for central nervous system effects (e.g., somnolence, decreased feeding) and inhibition of lactation. Monitor infant for adverse effects.
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Pediatric Use

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

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Geriatric Use

Elderly patients may have reduced renal clearance of pramipexole, leading to higher plasma concentrations and increased risk of adverse effects (e.g., hallucinations, orthostatic hypotension, somnolence). Dose adjustments are often necessary based on renal function. Half-life is prolonged in elderly.

Clinical Information

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Clinical Pearls

  • Pramipexole is a non-ergot dopamine agonist, which may have a lower risk of fibrotic complications compared to ergot derivatives (e.g., pergolide).
  • Titration is crucial for both Parkinson's disease and RLS to minimize side effects, especially orthostatic hypotension and somnolence.
  • Patients should be warned about the potential for sudden onset of sleep and impulse control disorders, and advised to report these immediately.
  • For RLS, pramipexole should be taken 2-3 hours before bedtime. Be vigilant for augmentation (worsening of RLS symptoms with earlier onset or increased severity) which may require dose adjustment or discontinuation.
  • Renal function must be assessed before starting treatment and monitored periodically, especially in the elderly.
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Alternative Therapies

  • Other dopamine agonists (e.g., ropinirole, rotigotine, bromocriptine)
  • Levodopa/Carbidopa (for Parkinson's disease)
  • MAO-B inhibitors (e.g., selegiline, rasagiline, safinamide)
  • COMT inhibitors (e.g., entacapone, opicapone)
  • Amantadine
  • For RLS: Gabapentin enacarbil, iron supplementation (if iron deficient), opioids (severe cases, last resort).
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Cost & Coverage

Average Cost: Varies widely, typically $10-$100+ per 30 tablets (0.125mg)
Generic Available: Yes
Insurance Coverage: Tier 1 or Tier 2 (generic)
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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 medical attention. When seeking help, be prepared to provide details about the medication taken, the amount, and the time it happened.