Mirapex 0.25mg Tablets

Manufacturer BOEHRINGER 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.
đŸˇī¸
Drug Class
Antiparkinsonian agent, Restless Legs Syndrome (RLS) agent
đŸ§Ŧ
Pharmacologic Class
Dopamine agonist
🤰
Pregnancy Category
Category C
✅
FDA Approved
Jul 1997
âš–ī¸
DEA Schedule
Not Controlled

Overview

â„šī¸

What is this medicine?

Pramipexole is a medication that works by acting like a natural chemical in your brain called dopamine. It's used to treat symptoms of Parkinson's disease, like shaking, stiffness, and difficulty moving, and also to relieve the uncomfortable urges and sensations in your legs caused by Restless Legs Syndrome (RLS).
📋

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're feeling well.

For restless leg syndrome, take your medication 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 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. 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 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.
💡

Lifestyle & Tips

  • Take exactly as prescribed, do not stop suddenly without consulting your doctor, as this can lead to withdrawal symptoms.
  • Take with food if you experience nausea or stomach upset.
  • Be aware of potential sudden sleep attacks; avoid driving or operating machinery if you experience excessive sleepiness.
  • Monitor for changes in behavior, such as increased gambling, shopping, or sexual urges, and report them to your doctor.
  • Rise slowly from a sitting or lying position to minimize dizziness from low blood pressure.
  • Avoid alcohol and other sedating medications, as they can increase drowsiness.

Dosing & Administration

đŸ‘¨â€âš•ī¸

Adult Dosing

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

Condition-Specific Dosing:

Parkinson's Disease: Titrate gradually over several weeks based on efficacy and tolerability. Max dose 4.5 mg/day.
Restless Legs Syndrome: Titrate gradually over 4-7 days. Max dose 0.5 mg/day.
đŸ‘ļ

Pediatric Dosing

Neonatal: Not established
Infant: Not established
Child: Not established
Adolescent: Not established
âš•ī¸

Dose Adjustments

Renal Impairment:

Mild: CrCl 35-59 mL/min: Parkinson's Disease: Initial 0.125 mg twice daily. RLS: Initial 0.125 mg every other day. Titrate carefully.
Moderate: CrCl 15-34 mL/min: Parkinson's Disease: Initial 0.125 mg once daily. RLS: Initial 0.125 mg twice weekly. Titrate carefully.
Severe: CrCl <15 mL/min: Parkinson's Disease: Initial 0.125 mg every other day. RLS: Not recommended.
Dialysis: Pramipexole is minimally dialyzable. Dosing adjustments as per severe renal impairment. Monitor closely.

Hepatic Impairment:

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

Pharmacology

đŸ”Ŧ

Mechanism of Action

Pramipexole is a non-ergot dopamine agonist with high affinity and selectivity for D2, D3, and D4 dopamine receptors, with highest affinity for D3 receptors. It is believed to exert its therapeutic effects by stimulating dopamine receptors in the striatum and substantia nigra, thereby mimicking the effects of dopamine in the brain.
📊

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: Less than 20%
CnssPenetration: Yes

Elimination:

HalfLife: Approximately 8-12 hours (increases with age and renal impairment)
Clearance: Approximately 400 mL/min (renal clearance)
ExcretionRoute: Renal (primarily unchanged)
Unchanged: More than 90%
âąī¸

Pharmacodynamics

OnsetOfAction: Variable, clinical effects may take weeks to months to optimize for Parkinson's disease. For RLS, relief may be seen within days.
PeakEffect: Not precisely defined for chronic conditions, but plasma concentrations peak within 1-3 hours.
DurationOfAction: Approximately 8-12 hours (consistent with half-life, allowing for TID or QD dosing depending on formulation/indication).

Safety & Warnings

âš ī¸

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 experience 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
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 urinating
New or worsening mental, mood, or behavioral changes

Some people have experienced sudden sleepiness during activities like driving, eating, or talking, even if they didn't feel sleepy beforehand. This can occur up to 1 year after starting the medication. If you experience sudden sleepiness, do not drive or engage in activities that require alertness. Contact your doctor immediately.

Additionally, some 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 can occur several months after starting the medication or after a dose increase. If you experience 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 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 experience 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
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 potential 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.
🚨

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., compulsive gambling, shopping, eating, hypersexuality)
  • Severe dizziness or fainting, especially when standing up
  • New or worsening uncontrolled movements (dyskinesia)
  • Swelling in the ankles or feet
  • Confusion or psychosis
📋

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.
âš ī¸

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 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 your doctor's guidance on how to taper off safely. 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.

While taking this medication, refrain from consuming alcohol. 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, exercise caution when taking this medication, as you may be more susceptible to side effects. If you are pregnant, plan to become pregnant, or are breastfeeding, discuss the potential benefits and risks with your doctor to make an informed decision about your treatment.
🆘

Overdose Information

Overdose Symptoms:

  • Nausea
  • Vomiting
  • Hyperkinesia (excessive movement)
  • Hallucinations
  • Agitation
  • Hypotension
  • Sedation

What to Do:

There is no specific antidote. Treatment is symptomatic and supportive. Gastric lavage may be considered. Maintain vital signs. Call 911 or Poison Control (1-800-222-1222) immediately.

Drug Interactions

🔴

Major Interactions

  • Dopamine antagonists (e.g., phenothiazines, butyrophenones, thioxanthenes, metoclopramide): May reduce the efficacy of pramipexole.
  • Cimetidine, Ranitidine, Diltiazem, Verapamil, Quinidine, Quinine: May decrease renal clearance of pramipexole, leading to increased plasma levels.
🟡

Moderate Interactions

  • Sedatives, hypnotics, alcohol: Increased risk of somnolence and sudden sleep onset.
  • Antihypertensives: Increased risk of orthostatic hypotension.

Monitoring

đŸ”Ŧ

Baseline Monitoring

Renal function (CrCl)

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

Timing: Before initiation

Blood pressure (orthostatic)

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

Timing: Before initiation

Mental status/Psychiatric history

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

Timing: Before initiation

Ophthalmologic exam

Rationale: Although rare, retinal changes have been reported with dopamine agonists.

Timing: Before initiation (consider, especially if pre-existing conditions)

📊

Routine Monitoring

Blood pressure (orthostatic)

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

Target: Maintain stable blood pressure, minimize orthostatic drop.

Action Threshold: Significant symptomatic orthostatic hypotension (e.g., >20 mmHg systolic drop or >10 mmHg diastolic drop with symptoms) requires dose reduction or discontinuation.

Mental status/Behavioral changes

Frequency: At each visit, inquire about new or worsening hallucinations, delusions, impulse control disorders (e.g., pathological gambling, hypersexuality, compulsive shopping, binge eating), or psychosis.

Target: Absence of new or worsening psychiatric symptoms.

Action Threshold: Emergence of significant psychiatric symptoms or impulse control disorders requires dose reduction, discontinuation, or psychiatric consultation.

Somnolence/Sudden sleep onset

Frequency: At each visit, inquire about excessive daytime sleepiness or sudden sleep attacks.

Target: Maintain alertness.

Action Threshold: Significant somnolence or sudden sleep attacks, especially while driving or performing hazardous activities, requires dose reduction or discontinuation.

Motor symptoms (Parkinson's Disease)

Frequency: Regularly, to assess therapeutic efficacy and adjust dose.

Target: Improved motor function, reduced tremor, rigidity, bradykinesia.

Action Threshold: Lack of efficacy or emergence of dyskinesia may require dose adjustment or addition of other therapies.

đŸ‘ī¸

Symptom Monitoring

  • Orthostatic dizziness or lightheadedness
  • Excessive daytime sleepiness or sudden sleep attacks
  • Hallucinations (visual, auditory)
  • Delusions or paranoid ideation
  • Compulsive behaviors (e.g., gambling, shopping, eating, sexual urges)
  • Nausea, constipation, dry mouth
  • Dyskinesia (in Parkinson's patients)
  • Peripheral edema

Special Patient Groups

🤰

Pregnancy

Use during pregnancy only if the potential benefit justifies the potential risk to the fetus. Animal studies have shown developmental toxicity at doses higher than human therapeutic doses.

Trimester-Specific Risks:

First Trimester: Limited human data; animal studies show some developmental effects.
Second Trimester: Limited human data.
Third Trimester: Limited human data; potential for effects on fetal dopamine system.
🤱

Lactation

Pramipexole is known to inhibit prolactin secretion in humans and may inhibit lactation. It is unknown if pramipexole is excreted in human milk. Due to the potential for serious adverse reactions in a breastfed infant, 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: Risk L3 (Moderate concern - no human data, but potential for prolactin inhibition and CNS effects in infant).
đŸ‘ļ

Pediatric Use

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

👴

Geriatric Use

Clearance of pramipexole is reduced in elderly patients due to age-related decline in renal function. Dose adjustments are often necessary based on renal function. Elderly patients may be more susceptible to adverse effects such as hallucinations, orthostatic hypotension, and somnolence.

Clinical Information

💎

Clinical Pearls

  • Pramipexole is a non-ergot dopamine agonist, which may have a lower risk of fibrotic complications (e.g., pleuropulmonary fibrosis, retroperitoneal fibrosis, cardiac valvulopathy) compared to ergot-derived dopamine agonists.
  • Patients should be warned about the potential for sudden sleep attacks, even without prior warning signs of drowsiness. This risk is higher with higher doses and in patients with pre-existing sleep disorders.
  • Impulse control disorders (e.g., pathological gambling, hypersexuality, compulsive shopping, binge eating) can emerge or worsen during treatment. Patients and caregivers should be educated to recognize these behaviors.
  • Dose titration should be gradual to minimize adverse effects, especially orthostatic hypotension and nausea.
  • For RLS, taking the dose 2-3 hours before bedtime is crucial for optimal efficacy.
  • Withdrawal symptoms (e.g., akinesia, insomnia, depression, sweating) can occur if the drug is discontinued abruptly, especially after high doses or prolonged treatment. Tapering is recommended.
🔄

Alternative Therapies

  • For Parkinson's Disease: Levodopa/carbidopa, other dopamine agonists (e.g., ropinirole, rotigotine), MAO-B inhibitors (e.g., selegiline, rasagiline), COMT inhibitors (e.g., entacapone, opicapone), amantadine, anticholinergics.
  • For Restless Legs Syndrome: Other dopamine agonists (e.g., ropinirole, rotigotine), alpha-2 delta ligands (e.g., gabapentin, pregabalin), opioids (for severe refractory cases).
💰

Cost & Coverage

Average Cost: $10 - $50 per 30 tablets (generic 0.25mg)
Generic Available: Yes
Insurance Coverage: Tier 1 or Tier 2 (for generic)
📚

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 medical attention. When seeking help, be prepared to provide details about the medication taken, the amount, and the time it happened.