pirineu p 100mg/325mg tablet - Flupirtine (100mg) + Paracetamol (325mg) medicine

Etiprin P Tablet: Complete Medicine Guide

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🏭 Gladstone Pharma India Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 24, 2026
⚠️ Hepatotoxicity Risk 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Moderate
Reviewed by
SaathiMed Expert Panel | Sep 24, 2026

When to Call Your Doctor IMMEDIATELY

  • Yellowing of the skin or eyes
  • Dark urine or pale stools
  • Severe abdominal pain
  • Blood in vomit or stool
  • Signs of allergic reaction such as rash, itching, swelling, or difficulty breathing
  • Unusual bruising or bleeding
  • Fever with sore throat or mouth ulcers

If experiencing severe symptoms, call emergency services immediately.

What is pirineu p 100mg/325mg tablet used for?

This medicine is a combination of flupirtine and paracetamol used for short-term relief of acute moderate to severe pain. It works by reducing pain signals in the brain and lowering fever. It should be taken exactly as prescribed and is not for long-term use.

  • Generic Name: Flupirtine (100mg) + Paracetamol (325mg)
  • Manufacturer: Gladstone Pharma India Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 pirineu p 100mg/325mg tablet के बारे में (Hindi Summary)

उपयोग: यह दवा फ्लुपिर्टिन और पैरासिटामोल का संयोजन है, जिसका उपयोग तीव्र मध्यम से गंभीर दर्द के अल्पकालिक उपचार के लिए किया जाता है। यह सर्जरी, चोट, या मांसपेशियों की समस्याओं के बाद होने वाले दर्द में राहत देती है। यह दवा दर्द के संकेतों को कम करके और बुखार को कम करके काम करती है। इसे डॉक्टर के निर्देशानुसार ही लें और लंबे समय तक न लें।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में चक्कर आना, नींद आना, मुँह सूखना, जी मिचलाना, उल्टी, पेट में परेशानी और थकान शामिल हैं। ये आमतौर पर हल्के और अस्थायी होते हैं। गंभीर दुष्प्रभाव दुर्लभ हैं लेकिन इनमें लिवर की क्षति, एलर्जी प्रतिक्रियाएँ और रक्त विकार शामिल हो सकते हैं। यदि आपको त्वचा या आँखों का पीलापन, गहरे रंग का मूत्र, या गंभीर पेट दर्द हो, तो तुरंत डॉक्टर से मिलें।

सुरक्षा सलाह: इस दवा को डॉक्टर के निर्देशानुसार ही लें। अनुशंसित खुराक या उपचार की अवधि से अधिक न लें। इस दवा को लेते समय शराब का सेवन पूरी तरह से बंद कर दें, क्योंकि इससे लिवर को नुकसान का खतरा बढ़ जाता है। यदि आपको लिवर या किडनी की समस्या है, या आप अन्य दवाएँ ले रहे हैं, तो अपने डॉक्टर को बताएं। यदि आपको चक्कर आना या नींद आना महसूस हो, तो वाहन न चलाएँ या मशीनरी संचालित न करें।

💡 Did You Know? India has the highest number of USFDA-compliant plants outside the USA.

💊 pirineu p 100mg/325mg tablet Uses & Benefits

[{"condition":"Acute moderate to severe pain","description":"This medicine is used for short-term relief of acute pain, such as after surgery, trauma, or musculoskeletal injuries.","evidence":"Well-established"},{"condition":"Postoperative pain","description":"It helps manage pain following surgical procedures when non-opioid analgesia is appropriate.","evidence":"Well-established"},{"condition":"Musculoskeletal pain","description":"It provides relief from pain associated with muscle strains, sprains, and other soft tissue injuries.","evidence":"Moderate"}]

Off-label uses: [{"condition":"Neuropathic pain","description":"Sometimes prescribed off-label for certain types of nerve pain, but evidence is limited.","evidence":"Limited"}]

Primary treatment for: Acute moderate to severe pain

Also treats: Postoperative pain, Musculoskeletal pain

📋 Drug Information

Generic Name(s)Flupirtine (100mg) + Paracetamol (325mg)
Brand Namepirineu p 100mg/325mg tablet
ManufacturerGladstone Pharma India Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassPAIN ANALGESICS
Action Class
Route of AdministrationOral
StorageStore at room temperature (15-30°C) in a dry place, away from direct sunlight and moisture. Keep out of the reach of children.
Shelf Life24 months from the date of manufacture.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Take this medicine with food to reduce stomach upset.
2
Avoid alcohol completely while taking this medicine.
3
Do not exceed the prescribed dose or duration of treatment.
4
Do not drive or operate heavy machinery if you feel dizzy or drowsy.
5
Consult your doctor if pain persists beyond the prescribed duration.
6
Report any unusual bleeding, bruising, or signs of infection immediately.
7
Inform your doctor about all other medications you are taking.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

Acute moderate to severe pain
This medicine is commonly prescribed for this.
Likely Use
Fever
Paracetamol component helps reduce fever.
Likely Use
Chronic pain
This medicine is not intended for long-term use.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionFlupirtine is rapidly absorbed after oral administration, with peak plasma concentrations reached in about 1 to 2 hours. Paracetamol is also rapidly absorbed, with peak levels occurring within 30 to 60 minutes.
DistributionFlupirtine is widely distributed in the body and crosses the blood-brain barrier. Paracetamol distributes throughout most body tissues.
Protein BindingFlupirtine is about 80% bound to plasma proteins. Paracetamol is only minimally bound to plasma proteins (about 10-25%).
MetabolismFlupirtine undergoes extensive hepatic metabolism, primarily through phase II conjugation and oxidation. Paracetamol is metabolized in the liver, mainly by glucuronidation and sulfation, with a small fraction metabolized by CYP2E1 to a toxic intermediate (NAPQI) that is normally detoxified by glutathione.
Half-LifeThe elimination half-life of flupirtine is approximately 6 to 8 hours. Paracetamol has a half-life of about 2 to 3 hours.
ExcretionFlupirtine and its metabolites are excreted primarily in the urine. Paracetamol metabolites are also excreted in the urine.
BioavailabilityThe oral bioavailability of flupirtine is about 70-90%. Paracetamol has a high oral bioavailability of about 80-100%.
Onset of ActionPain relief typically begins within 30 to 60 minutes after oral administration.
Peak Plasma TimeFlupirtine: 1-2 hours; Paracetamol: 0.5-1 hour.
Duration of ActionThe analgesic effect lasts approximately 4 to 6 hours.

How It Works

This medicine combines two active ingredients with complementary mechanisms. Flupirtine acts as a selective neuronal potassium channel opener, which stabilizes the resting membrane potential of neurons and reduces their excitability, thereby inhibiting pain signal transmission. It also indirectly modulates the NMDA receptor pathway. Paracetamol, on the other hand, produces analgesia and antipyresis primarily through central inhibition of prostaglandin synthesis, although its exact mechanism is not fully understood. Together, they provide effective pain relief without the sedative and respiratory depressant effects of opioids.

Mechanism Steps

1
Potassium channel activation: Flupirtine opens neuronal potassium channels, leading to hyperpolarization of nerve cells and reduced pain signal transmission.
2
NMDA receptor modulation: Flupirtine indirectly inhibits NMDA receptor activity, which contributes to its analgesic effect.
3
Central prostaglandin inhibition: Paracetamol inhibits prostaglandin synthesis in the central nervous system, reducing pain and fever.
4
Combined analgesia: The two mechanisms work together to provide effective pain relief with a favorable safety profile.

💡 How to Take pirineu p 100mg/325mg tablet

Strength: Tablet containing Flupirtine 100 mg and Paracetamol 325 mg.

1Take this medicine orally with a glass of water.
2Swallow the tablet whole; do not crush or chew.
3Take with or without food, but taking with food may reduce stomach upset.
4Follow the prescribed dose and duration exactly.
5Do not exceed the recommended dose.

Dosage Information

Adult DosageThe usual adult dose is one tablet taken orally every 6 to 8 hours as needed for pain, not to exceed the maximum daily dose. The exact dose and duration must be individualized by a qualified clinician based on the indication, age, weight, renal and hepatic function. Do not self-medicate or exceed the prescribed dose.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may be more sensitive to the side effects of this medicine. Use with caution and adjust the dose as directed by a qualified clinician.
Renal ImpairmentDose adjustment may be required in patients with kidney disease. Consult your doctor for individualized dosing.
Hepatic ImpairmentDose adjustment may be required in patients with liver disease. Consult your doctor for individualized dosing.
Maximum Daily DoseThe maximum daily dose should not exceed the equivalent of 4000 mg of paracetamol and 400 mg of flupirtine, but the exact limit must be determined by a qualified clinician.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset.
Alcohol
Avoid
Increases risk of liver damage.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of pirineu p 100mg/325mg tablet

✅ Common Side Effects

Dizziness (Common (5-10%))
Avoid driving or operating machinery until you know how this medicine affects you. If dizziness persists, consult your doctor.
Drowsiness (Common (5-10%))
Rest if needed. Avoid alcohol and other sedatives. Consult your doctor if it interferes with daily activities.
Dry mouth (Common (5-10%))
Sip water frequently or chew sugar-free gum. If it persists, consult your doctor.
Nausea (Common (5-10%))
Take the medicine with food. If nausea continues, consult your doctor.
Fatigue (Common (5-10%))
Ensure adequate rest. If fatigue is severe or persistent, consult your doctor.

🚨 Serious Side Effects

Liver damage (Rare (<0.1%))
Seek immediate medical attention if you notice yellowing of the skin or eyes, dark urine, or severe abdominal pain.
Allergic reactions (Rare (<0.1%))
Seek emergency help if you experience rash, itching, swelling of the face, lips, or throat, or difficulty breathing.
Blood disorders (Very rare (<0.01%))
Report any unusual bruising, bleeding, or signs of infection to your doctor immediately.

⚠️ Rare Side Effects

Agranulocytosis
Seek immediate medical attention if you develop fever, sore throat, or mouth ulcers.
Thrombocytopenia
Report any unusual bleeding or bruising to your doctor immediately.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Warfarin Major
Alcohol Major
Carbamazepine Moderate
Rifampicin Moderate
Antacids Minor

🚨 Major Interactions

  • Warfarin
  • Alcohol

⚡ Moderate Interactions

  • Carbamazepine
  • Rifampicin

🍷 Alcohol Interaction

Avoid alcohol completely while taking this medicine. Alcohol increases the risk of liver damage, especially due to the paracetamol component, and may enhance the sedative effects of flupirtine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known allergy to flupirtine or paracetamol","Severe liver disease","Severe kidney disease","Alcoholism","Children under 18 years of age (safety not established)"]

⚠️ Warnings & Precautions

["Do not exceed the recommended dose or duration of treatment.","Avoid alcohol completely while taking this medicine.","Use with caution in patients with liver or kidney disease.","May cause dizziness or drowsiness; avoid driving or operating machinery until you know how it affects you.","Do not use for more than the prescribed period without consulting your doctor.","Inform your doctor if you are taking other medications, especially blood thinners."]

🤱 Lactation Safety

Not established from the available information. Consult your doctor before breastfeeding.

💊 Overdose Management

Overdose of this medicine can cause severe liver damage, especially due to paracetamol. Symptoms of overdose may include nausea, vomiting, abdominal pain, and yellowing of the skin or eyes. Seek immediate medical attention if you suspect an overdose. Treatment may include activated charcoal, acetylcysteine (for paracetamol toxicity), and supportive care.

⏰ Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double dose to catch up.

Additional Safety Advice

General Safety

Take this medicine exactly as prescribed by your doctor. Do not exceed the recommended dose or duration of treatment. Avoid alcohol completely while taking this medicine, as it increases the risk of liver damage. Inform your doctor if you have any liver or kidney problems, or if you are taking other medications, especially blood thinners. Do not drive or operate heavy machinery if you feel dizzy or drowsy. Keep this medicine out of the reach of children. Do not use this medicine for more than the prescribed period without consulting your doctor.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more sensitive to the side effects of this medicine, especially dizziness, drowsiness, and liver toxicity. Use with caution and adjust the dose as directed by a qualified clinician. Regular monitoring of liver and kidney function may be advisable.

🤰 Pregnancy Planning (TTC)

Not established from the available information. Consult your doctor if you are planning pregnancy or are pregnant. This medicine should be used during pregnancy only if clearly needed and prescribed by a doctor.

🏥 Post-Surgery Considerations

This medicine may be prescribed for postoperative pain. Follow your surgeon's instructions regarding dosing and duration. Inform your surgeon if you have any liver or kidney problems.

🦷 Dental Procedures

Inform your dentist if you are taking this medicine before any dental procedure. It may interact with other medications used during dental work, and your dentist may need to adjust your treatment plan.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy weight to reduce stress on joints and muscles.
🥗
Engage in regular low-impact exercise like walking or swimming.
😴
Practice good posture to prevent musculoskeletal pain.
💧
Include anti-inflammatory foods in your diet, such as fruits and vegetables.
🧘
Get adequate sleep to aid recovery.
🌞
Stay well hydrated throughout the day.

🏋️ Exercise Considerations

Avoid strenuous exercise or activities that may worsen your pain while taking this medicine. If you feel dizzy or drowsy, do not exercise. Consult your doctor before starting any new exercise routine.

🥗 Diet Recommendations

Include omega-3 rich foods like fish and flaxseeds.
Reduce processed and fried food intake.
Stay well hydrated.
Avoid alcohol completely.

💼 Impact on Daily Work & Life

This medicine may cause dizziness or drowsiness, which can affect your ability to drive or operate machinery. Avoid these activities until you know how the medicine affects you. It may also cause fatigue, so plan your work schedule accordingly.

🛑 When to Stop This Medicine

Stop taking this medicine when your pain resolves or as directed by your doctor. Do not stop suddenly if you have been taking it for a long time without consulting your doctor. If you experience any serious side effects, stop immediately and seek medical attention.

📅 Long-Term Use Effects

Long-term use of this medicine is not recommended due to the risk of liver damage and other side effects. If you need pain relief for more than a few weeks, consult your doctor to explore safer long-term options. Regular monitoring of liver function may be required if prolonged use is unavoidable.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Physical therapy

Can complement medicine for chronic pain management.

Evidence: Well-established
Heat or cold therapy

May help relieve localized pain and inflammation.

Evidence: Moderate

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

Not established from the available information. Consult your doctor regarding vaccination timing while taking this medicine.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✈️ Traveling with This Medicine

Carry this medicine in its original packaging with a copy of your prescription. Store at room temperature and protect from direct sunlight and moisture. If traveling across time zones, adjust dosing intervals as advised by your doctor. Check customs regulations for carrying prescription medicines. Do not pack in checked luggage; keep it in your carry-on bag.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 45-year-old office worker with acute back pain
Started this medicine as prescribed for acute back pain. Within 2 days, noticed significant improvement in pain and mobility. Emphasized taking it with food to prevent stomach upset and avoiding alcohol completely.
💡 Lesson: Taking this medicine with food and avoiding alcohol improves tolerability and safety.
👤 A 60-year-old patient recovering from knee surgery
Used this medicine for postoperative pain as prescribed. Experienced mild dizziness initially, which resolved after a few days. Found that taking it with meals reduced nausea.
💡 Lesson: Mild side effects like dizziness and nausea are common but usually temporary. Taking with food helps.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: Pain relief typically begins within 30 to 60 minutes after taking this medicine.

Q: How long can I take this medicine?

A: This medicine is for short-term use only. Do not take it for more than the prescribed duration, usually not more than 2 weeks, without consulting your doctor.

Q: Is this medicine safe for my liver?

A: This medicine contains paracetamol, which can cause liver damage if taken in high doses, for prolonged periods, or with alcohol. Use exactly as prescribed and avoid alcohol.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?

🔄 Substitutes for pirineu p 100mg/325mg tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: This medicine is safe for long-term use.
    Fact: This medicine is intended for short-term use only. Prolonged use can increase the risk of liver damage and other side effects.
  • Myth: It is safe to drink alcohol while taking this medicine.
    Fact: Alcohol should be completely avoided as it increases the risk of liver toxicity.

📊 Comparison with Similar Medicines

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