Pramipexole 0.75mg Tablets

Manufacturer TORRENT 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; 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
Oct 1997
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Pramipexole is a medication that works like a natural chemical in your brain called dopamine. It's used to help control the symptoms of Parkinson's disease, such as tremors, stiffness, and difficulty moving. It's also used to treat Restless Legs Syndrome, which causes an irresistible urge to move your legs, especially at night.
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How to Use This Medicine

Taking Your Medication

To use this medication effectively, follow your doctor's instructions carefully. Read all the information provided and adhere to the guidelines. You can take this medication with or without food, but if it causes stomach upset, take it with food to help alleviate the discomfort. Continue taking the medication as directed by your doctor or healthcare provider, even if you start feeling well.

For individuals with restless leg syndrome, take the medication 2 to 3 hours before bedtime. If your symptoms worsen or appear earlier in the day, inform your doctor promptly.

Storing and Disposing of Your Medication

Store the medication at room temperature, protected from light, and in a dry place. Avoid storing it in a bathroom. Keep all medications in a secure location, out of the reach of children and pets. Dispose of unused or expired medications properly. Do not flush them down the toilet or pour them down the drain unless instructed to do so. If you have questions about disposing of medications, consult your pharmacist. You may also want to explore drug take-back programs in your area.

Missing 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 extra doses. If you miss taking the medication for several days in a row, contact your doctor before restarting the medication to ensure safe and effective use.
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Lifestyle & Tips

  • Take the medication exactly as prescribed by your doctor. Do not stop taking it suddenly without consulting your doctor, as this can lead to withdrawal symptoms.
  • If you experience nausea, taking the medication with food may help.
  • Be aware of the risk of sudden sleep attacks. Avoid driving or operating heavy machinery if you experience drowsiness or sudden sleep episodes.
  • Avoid alcohol and other sedating medications, as they can increase drowsiness.
  • Report any new or unusual behaviors, such as increased gambling, shopping, sexual urges, or binge eating, to your doctor immediately.
  • Stand up slowly to avoid dizziness or lightheadedness, especially when starting the medication or increasing the dose.

Dosing & Administration

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Adult Dosing

Standard Dose: Parkinson's Disease: Initial 0.125 mg three times daily, titrated weekly. Restless Legs Syndrome: Initial 0.125 mg once daily 2-3 hours before bedtime, titrated weekly.
Dose Range: 0.125 - 4.5 mg

Condition-Specific Dosing:

Parkinson's Disease: Initial 0.125 mg three times daily (TID). Increase gradually every 5-7 days to a maximum of 1.5 mg TID (4.5 mg/day).
Restless Legs Syndrome: Initial 0.125 mg once daily (QD) 2-3 hours before bedtime. Increase gradually every 4-7 days to a maximum of 0.5 mg QD.
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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: Parkinson's Disease (CrCl 35-59 mL/min): Initial 0.125 mg twice daily (BID), max 2.25 mg/day. RLS (CrCl 20-59 mL/min): Initial 0.125 mg every other day, max 0.25 mg/day.
Moderate: Parkinson's Disease (CrCl 15-34 mL/min): Initial 0.125 mg once daily (QD), max 1.5 mg/day. RLS (CrCl <20 mL/min): Not recommended.
Severe: Parkinson's Disease (CrCl <15 mL/min): Not recommended.
Dialysis: Not recommended for Parkinson's Disease. Not recommended for RLS.

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 D2 and D3 receptor subtypes. It is believed to exert its therapeutic effects by stimulating dopamine receptors in the striatum, thereby mimicking the effects of dopamine in the brain.
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Pharmacokinetics

Absorption:

Bioavailability: >90%
Tmax: 1-3 hours
FoodEffect: Food does not affect the extent of absorption, but Tmax may be delayed by approximately 1 hour when taken with food.

Distribution:

Vd: Approximately 400 L
ProteinBinding: Approximately 15%
CnssPenetration: Yes

Elimination:

HalfLife: Approximately 8 hours (young healthy volunteers), 12 hours (elderly volunteers); increases with renal impairment
Clearance: Approximately 400 mL/min (total body clearance)
ExcretionRoute: Renal excretion (primarily unchanged drug)
Unchanged: Approximately 90% of the administered dose is excreted unchanged in urine.
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Pharmacodynamics

OnsetOfAction: Variable, typically within weeks of titration for full effect in Parkinson's; within days for RLS.
PeakEffect: Achieved after several weeks of dose titration.
DurationOfAction: Approximately 8-12 hours (consistent with 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 immediately or seek emergency medical attention:

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
Frequent 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 passing urine
New or worsening mental, mood, or behavior changes

Important Warnings

Some people have experienced sudden, uncontrolled sleep episodes, even when feeling alert, up to 1 year after starting this medication. If this happens, do not drive or engage in activities that require alertness. Contact your doctor immediately if you experience excessive sleepiness or fall asleep during activities.

Additionally, some individuals have developed uncontrolled changes in posture, such as neck bending forward, bending forward at the waist, or tilting sideways when 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 posture, contact your doctor.

Neuroleptic Malignant Syndrome (NMS)

NMS is a rare, potentially life-threatening condition that can occur when medications like this one are stopped suddenly or when 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

Like all medications, this drug can cause side effects. Many people experience no 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:

Headache
Constipation, diarrhea, upset stomach, or decreased appetite
Trouble sleeping
Dizziness, drowsiness, tiredness, or 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 real)
  • Unusual urges or behaviors (e.g., compulsive gambling, hypersexuality, compulsive shopping, binge eating)
  • Severe dizziness or fainting, especially when standing up
  • New or worsening uncontrolled movements (dyskinesia)
  • Swelling in the legs or ankles
  • Confusion or psychotic-like behavior
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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 allergic reaction you experienced, including any symptoms that occurred.
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, to avoid potential interactions or duplicate dosing.

This list is not exhaustive, and it is crucial to discuss all your medications, health conditions, and concerns with your doctor. This includes:

All prescription and over-the-counter (OTC) medications you are taking
Any natural products or supplements
Vitamins you are taking

Your doctor and pharmacist need this information to ensure it is safe for you to take this medication with your other medications and health conditions. Never start, stop, or change the dose of any medication without first consulting your doctor to confirm it is safe to do so.
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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.

To ensure your safety, avoid driving and other activities that require alertness until you understand how this medication affects you. If you experience dizziness or lightheadedness, rise slowly from a sitting or lying down position to minimize the risk of falling. Be cautious when navigating 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 withdrawal symptoms when reducing the dose or stopping the medication: fever, confusion, severe muscle stiffness, apathy, anxiety, depression, fatigue, insomnia, sweating, or pain.

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

If you are 65 years or older, exercise caution when taking this medication, 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 with your doctor to make an informed decision about your treatment.
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Overdose Information

Overdose Symptoms:

  • Nausea
  • Vomiting
  • Dizziness
  • Somnolence
  • Orthostatic hypotension
  • Dyskinesia
  • Agitation
  • Confusion
  • Hallucinations

What to Do:

There is no known antidote for pramipexole overdose. Management should be supportive, including gastric lavage, intravenous fluids, and ECG monitoring. Dopamine antagonists (e.g., neuroleptics) may be considered if signs of CNS stimulation are present. Call 1-800-222-1222 (Poison Control) immediately for advice.

Drug Interactions

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Major Interactions

  • Dopamine antagonists (e.g., antipsychotics like haloperidol, chlorpromazine; metoclopramide): May reduce the efficacy of pramipexole.
  • CNS depressants (e.g., alcohol, sedatives, hypnotics, opioids): May potentiate the sedative effects of pramipexole.
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Moderate Interactions

  • Cimetidine, diltiazem, quinidine, quinine, ranitidine, verapamil: These drugs are inhibitors of renal tubular secretion and may decrease the renal clearance of pramipexole, leading to increased plasma concentrations.
  • Levodopa: May increase the risk of dyskinesia when co-administered with pramipexole in Parkinson's disease.

Monitoring

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Baseline Monitoring

Renal function (CrCl)

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

Timing: Prior to initiation of therapy.

Blood pressure (sitting and standing)

Rationale: To assess for baseline orthostatic hypotension risk.

Timing: Prior to initiation of therapy.

Ophthalmologic examination

Rationale: Although not directly linked to pramipexole, baseline eye exam is prudent for patients with Parkinson's disease.

Timing: Prior to initiation of therapy.

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Routine Monitoring

Efficacy (symptom control for PD or RLS)

Frequency: Regularly during titration and maintenance.

Target: Optimal symptom control with tolerable side effects.

Action Threshold: Inadequate symptom control or intolerable side effects warrant dose adjustment or alternative therapy.

Orthostatic blood pressure

Frequency: Periodically, especially during dose titration.

Target: Stable blood pressure without significant orthostatic drop.

Action Threshold: Symptomatic orthostatic hypotension (dizziness, lightheadedness, falls) requires dose reduction or discontinuation.

Mental status (for hallucinations, confusion, psychosis)

Frequency: Regularly, especially in elderly patients.

Target: Clear mentation.

Action Threshold: Development of hallucinations, confusion, or psychotic-like behavior requires dose reduction or discontinuation.

Impulse control disorders (e.g., pathological gambling, hypersexuality, compulsive shopping, binge eating)

Frequency: Regularly, inquire directly with patient and caregiver.

Target: Absence of new or worsening compulsive behaviors.

Action Threshold: Development of impulse control disorders requires dose reduction, discontinuation, or referral for behavioral therapy.

Excessive daytime sleepiness/sudden sleep onset

Frequency: Regularly, inquire directly with patient and caregiver.

Target: Normal wakefulness.

Action Threshold: Significant somnolence or sudden sleep attacks require dose reduction, discontinuation, or counseling on driving/operating machinery.

Dyskinesia (in Parkinson's disease)

Frequency: Regularly, especially when co-administered with levodopa.

Target: Minimal or tolerable dyskinesia.

Action Threshold: Troublesome dyskinesia may require adjustment of pramipexole or levodopa dose.

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Symptom Monitoring

  • Orthostatic hypotension (dizziness, lightheadedness upon standing)
  • Excessive daytime sleepiness or sudden onset of sleep
  • Hallucinations (visual, auditory)
  • Confusion or psychotic-like behavior
  • Impulse control disorders (e.g., pathological gambling, hypersexuality, compulsive shopping, binge eating)
  • Nausea
  • Peripheral edema
  • Dyskinesia (in Parkinson's disease)
  • Weight gain

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 during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Trimester-Specific Risks:

First Trimester: Animal studies have shown developmental toxicity (e.g., reduced fetal body weight, delayed ossification) at doses higher than human therapeutic doses. Risk in humans is unknown.
Second Trimester: Risk in humans is unknown.
Third Trimester: Risk in humans is unknown. May inhibit prolactin secretion and potentially interfere with lactation.
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Lactation

Pramipexole is excreted into rat milk and may inhibit prolactin secretion in humans, potentially inhibiting lactation. It is not known whether 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: Moderate risk (L3). Potential for inhibition of lactation and unknown effects on the breastfed infant. Monitor for somnolence, poor feeding, or unusual movements.
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Pediatric Use

The safety and effectiveness of pramipexole in pediatric patients have not been established. It is not approved for use in children.

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Geriatric Use

Pramipexole clearance decreases with age due to reduced renal function. Dose adjustments are often necessary in elderly patients based on renal creatinine clearance. Elderly patients may also be more susceptible to adverse effects such as hallucinations, orthostatic hypotension, and somnolence.

Clinical Information

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Clinical Pearls

  • Always titrate pramipexole slowly to minimize adverse effects, especially nausea, orthostatic hypotension, and somnolence.
  • Counsel patients extensively about the risk of sudden sleep attacks and impulse control disorders (e.g., pathological gambling, hypersexuality). These can occur without warning and may require dose reduction or discontinuation.
  • Monitor for peripheral edema, which can occur with dopamine agonists.
  • In Parkinson's disease, pramipexole can be used as monotherapy or as an adjunct to levodopa. When used with levodopa, it may allow for a reduction in levodopa dose and help manage 'wearing-off' phenomena, but may also increase dyskinesia.
  • For Restless Legs Syndrome, take the dose 2-3 hours before bedtime. Doses higher than 0.5 mg/day for RLS are generally not recommended due to increased risk of augmentation (worsening of RLS symptoms or earlier onset).
  • Discontinuation should be gradual to avoid a dopamine agonist withdrawal syndrome, which can include symptoms like apathy, anxiety, depression, fatigue, pain, and sweating.
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Alternative Therapies

  • Other dopamine agonists (e.g., ropinirole, rotigotine)
  • Levodopa/carbidopa (for Parkinson's disease)
  • MAO-B inhibitors (e.g., selegiline, rasagiline, safinamide for Parkinson's disease)
  • COMT inhibitors (e.g., entacapone, opicapone for Parkinson's disease)
  • Amantadine (for Parkinson's disease, especially dyskinesia)
  • Gabapentin or pregabalin (for Restless Legs Syndrome)
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Cost & Coverage

Average Cost: $20 - $100 per 30 tablets (generic 0.75mg)
Generic Available: Yes
Insurance Coverage: Tier 1 or 2 (generic), Tier 3 or 4 (brand)
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General Drug Facts

If your symptoms or health issues persist or worsen, it is essential to contact your doctor promptly. To ensure safe and effective treatment, never share your medication with others or take someone else's medication. Some medications may come with an additional patient information leaflet, so it's a good idea to check with your pharmacist for more information. If you have any questions or concerns about this medication, don't hesitate to discuss them with 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.