Pramipexole 1.5mg Tablets

Manufacturer GLENMARK 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, Dopamine agonist
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Pharmacologic Class
Non-ergot dopamine receptor agonist
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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, a condition that affects movement, and Restless Legs Syndrome (RLS), which causes an irresistible urge to move the legs. It works by acting like a natural chemical in your brain called dopamine, which helps control movement.
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How to Use This Medicine

Taking Your Medication

To use this medication correctly, follow your doctor's instructions and read all the information provided. Take your medication as directed, with or without food. 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.

For individuals taking this medication for restless leg syndrome, take your dose 2 to 3 hours before bedtime. If your symptoms worsen or start earlier in the day, inform your doctor.

Storing and Disposing of Your Medication

Store your medication at room temperature, protected from light and moisture. Avoid storing it in a bathroom. Keep all medications in a safe location, out of 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 your medication, consult your pharmacist. You may also want to check if there are drug take-back programs available 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 take extra doses. If you miss taking your medication for several days in a row, contact your doctor before restarting your medication.
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Lifestyle & Tips

  • Take exactly as prescribed, usually with or without food. If you experience nausea, taking it with food may help.
  • Do not stop taking this medication suddenly without consulting your doctor, as it can lead to withdrawal symptoms.
  • Be cautious when standing up quickly from a sitting or lying position, as this medication can cause dizziness or lightheadedness (orthostatic hypotension).
  • Avoid or limit alcohol consumption, as it can increase drowsiness.
  • Be aware of potential sudden sleep attacks. Do not drive or operate heavy machinery if you experience drowsiness or sudden sleep episodes.
  • Inform your doctor if you develop any new or unusual urges or behaviors, such as pathological gambling, increased sexual urges, compulsive shopping, or binge eating.

Dosing & Administration

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Adult Dosing

Standard Dose: For Parkinson's Disease: Titrate gradually. Initial: 0.125 mg three times daily. Increase no more frequently than every 5-7 days. Target range: 1.5 mg to 4.5 mg daily in divided doses. For Restless Legs Syndrome: Initial: 0.125 mg once daily 2-3 hours before bedtime. Titrate gradually. Target range: 0.125 mg to 0.5 mg once daily.
Dose Range: 0.125 - 4.5 mg

Condition-Specific Dosing:

Parkinson's Disease: Gradual titration over several weeks to minimize side effects. Max 4.5 mg/day.
Restless Legs Syndrome: Taken once daily 2-3 hours before bedtime. Max 0.5 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: CrCl 35-59 mL/min: Initial 0.125 mg twice daily (Parkinson's) or 0.125 mg every other day (RLS). Max 2.25 mg/day (Parkinson's) or 0.25 mg/day (RLS).
Moderate: CrCl 15-34 mL/min: Initial 0.125 mg once daily (Parkinson's) or 0.125 mg twice weekly (RLS). Max 1.5 mg/day (Parkinson's) or 0.125 mg twice weekly (RLS).
Severe: CrCl <15 mL/min: Not recommended unless benefits outweigh risks. If used, consider further dose reduction.
Dialysis: Pramipexole is minimally dialyzable. Dosage adjustment required based on CrCl, and further adjustment may be needed based on clinical response and tolerability.

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 and compensating for dopamine deficiency in Parkinson's disease. For RLS, the exact mechanism is unknown but is thought to involve dopaminergic system activity.
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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 500 L
ProteinBinding: <20%
CnssPenetration: Yes

Elimination:

HalfLife: Approximately 8 hours (young adults), 12 hours (elderly)
Clearance: Approximately 400 mL/min (renal clearance accounts for >90% of total clearance)
ExcretionRoute: Renal (primarily unchanged)
Unchanged: >90%
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Pharmacodynamics

OnsetOfAction: Days to weeks (for full therapeutic effect with titration)
PeakEffect: Varies with titration, typically weeks to months to reach optimal control.
DurationOfAction: Approximately 6-8 hours per dose (immediate release), 24 hours (extended release)

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 behavioral changes

Some people may experience sudden, uncontrollable sleepiness, even if they feel alert beforehand. This can occur up to 1 year after starting the medication. If you fall asleep during activities like driving, eating, or talking, do not engage in tasks that require alertness and contact your doctor immediately.

Additionally, some individuals may experience uncontrolled changes in posture, such as neck bending forward, bending forward at the waist, or tilting sideways when sitting, standing, or walking. These changes can 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): This is a rare but 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 Side Effects

Most people do not experience significant side effects, but some may occur. If you notice any of the following side effects or if they bother you or do not go away, contact your doctor:

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:

  • Severe dizziness or fainting
  • Sudden onset of sleep during daily activities
  • Hallucinations (seeing or hearing things that are not there)
  • Confusion or unusual thoughts
  • Uncontrolled urges or behaviors (e.g., gambling, shopping, eating, sexual activity)
  • Unexplained muscle pain, tenderness, or weakness (may indicate rhabdomyolysis, though rare)
  • Swelling in the ankles or feet
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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 with your existing 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.

Before engaging in activities that require your full attention, such as driving, wait until you understand how this medication affects you. To minimize the risk of dizziness or fainting, stand up slowly after sitting or lying down, and exercise caution when climbing stairs.

Monitor your blood pressure as instructed by your healthcare provider. 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 gradual discontinuation plan 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.

Refrain from consuming alcohol while taking this medication. Before using marijuana, cannabis products, or prescription or over-the-counter medications that may impair your physical or mental reactions, discuss the potential risks 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, consult your doctor to weigh the benefits and risks of this medication for both you and your baby.
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Overdose Information

Overdose Symptoms:

  • Nausea
  • Vomiting
  • Dizziness
  • Lightheadedness
  • Orthostatic hypotension
  • Sweating
  • Agitation
  • Dyskinesia
  • Hallucinations
  • Sedation

What to Do:

Seek immediate medical attention or call Poison Control at 1-800-222-1222. Management is generally supportive, including gastric lavage, intravenous fluids for hypotension, and antiemetics for nausea/vomiting. There is no specific antidote.

Drug Interactions

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Major Interactions

  • Dopamine antagonists (e.g., phenothiazines, butyrophenones, thioxanthenes, metoclopramide): May reduce the efficacy of pramipexole.
  • CNS depressants (e.g., alcohol, sedatives, hypnotics, opioids): May potentiate sedative effects and increase risk of somnolence and sudden sleep onset.
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Moderate Interactions

  • Cimetidine, Ranitidine, Diltiazem, Triamterene, Verapamil, Quinidine, Quinine: Drugs eliminated by renal tubular secretion may reduce pramipexole clearance, leading to increased plasma levels.
  • 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

Blood pressure (sitting and standing)

Rationale: To assess for baseline orthostatic hypotension risk.

Timing: Prior to initiation

Mental status/Psychiatric history

Rationale: To identify pre-existing conditions that may predispose to hallucinations, psychosis, or impulse control disorders.

Timing: Prior to initiation

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Routine Monitoring

Efficacy (Parkinsonian 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 indicate need for dose adjustment or alternative therapy.

Blood pressure (orthostatic)

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

Target: No significant orthostatic drop (>20 mmHg systolic or >10 mmHg diastolic)

Action Threshold: Symptomatic orthostasis or significant blood pressure drop requires dose reduction or discontinuation.

Somnolence/Sudden sleep onset

Frequency: Regularly, especially during dose titration

Target: Absence of excessive daytime sleepiness or sudden sleep attacks

Action Threshold: Reported somnolence or sleep attacks require dose reduction, discontinuation, or counseling against driving/operating machinery.

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 these behaviors requires dose reduction, discontinuation, or referral to specialist.

Hallucinations/Psychotic-like behavior

Frequency: Regularly, inquire directly with patient and caregiver

Target: Absence of hallucinations or psychotic symptoms

Action Threshold: Development of these symptoms requires dose reduction or 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

  • Dizziness or lightheadedness (especially upon standing)
  • Excessive daytime sleepiness or sudden onset of sleep
  • Hallucinations or confusion
  • Unusual urges or behaviors (e.g., gambling, shopping, eating, sexual urges)
  • Nausea or vomiting
  • Dyskinesia (in Parkinson's disease)
  • Leg swelling (peripheral edema)

Special Patient Groups

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Pregnancy

Pramipexole is classified as 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: Potential for developmental toxicity observed in animal studies at doses higher than human therapeutic doses.
Second Trimester: Limited human data; animal studies suggest potential for effects on offspring development.
Third Trimester: Limited human data; animal studies suggest potential for effects on offspring development.
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Lactation

Pramipexole is known to inhibit prolactin secretion in humans and may inhibit lactation. It is excreted in rat milk. Due to the potential for serious adverse reactions in nursing infants, 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 (Moderate risk). Potential for inhibition of lactation, and theoretical risk of dopaminergic effects in the infant.
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Pediatric Use

Safety and effectiveness in pediatric patients have not been established. Not recommended for use in children.

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Geriatric Use

Elderly patients (â‰Ĩ65 years) have reduced renal clearance of pramipexole, leading to higher plasma concentrations and a longer elimination half-life. Dose adjustment based on renal function is crucial in this population. 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

  • Titrate dose slowly to minimize side effects, especially orthostatic hypotension and somnolence.
  • Counsel patients and caregivers about the risk of impulse control disorders (e.g., pathological gambling, hypersexuality) and sudden sleep attacks.
  • Renal function must be assessed before initiating treatment and periodically thereafter, especially in the elderly, as dose adjustments are critical.
  • Pramipexole can cause augmentation or rebound in RLS patients, particularly at higher doses or with long-term use. Monitor for worsening symptoms or earlier onset of symptoms.
  • Discontinuation should be gradual to avoid withdrawal symptoms (e.g., akinesia, insomnia, anxiety, depression).
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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, tolcapone)
  • Amantadine
  • For RLS: Gabapentin enacarbil, alpha-2 delta ligands (e.g., gabapentin, pregabalin), opioids (severe cases, last resort).
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Cost & Coverage

Average Cost: $50 - $200 per 30 tablets (generic 1.5mg)
Generic Available: Yes
Insurance Coverage: Tier 1 or Tier 2 (generic), Tier 3 or higher (brand)
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General Drug Facts

If your symptoms or health issues persist or worsen, it is 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 it's a good idea 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.