Nefistar 20mg Tablet: Complete Medicine Guide
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- Seizures or convulsions
- Hallucinations or confusion
- Severe allergic reaction (rash, swelling, difficulty breathing)
- Fast or irregular heartbeat
- Difficulty urinating or inability to urinate
- Severe drowsiness or fainting
- Yellowing of skin or eyes
If experiencing severe symptoms, call emergency services immediately.
What is nefistar 20mg tablet used for?
This medicine is a centrally acting non-opioid analgesic used for short-term relief of moderate to severe acute pain. It works by increasing serotonin, norepinephrine, and dopamine in the brain. It is not recommended for children or patients with seizures, glaucoma, or urinary retention.
- Generic Name: Information coming soon
- Manufacturer: Multiple manufacturers
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 nefistar 20mg tablet के बारे में (Hindi Summary)
उपयोग: यह दवा नेफोपैम 20 मिलीग्राम टैबलेट के रूप में उपलब्ध है और यह मध्यम से तीव्र दर्द के इलाज के लिए इस्तेमाल की जाती है। यह सर्जरी के बाद के दर्द, मांसपेशियों और जोड़ों के दर्द, और चोट के दर्द में राहत देती है। यह दवा दिमाग में सेरोटोनिन, नॉरएपिनेफ्रिन और डोपामिन के स्तर को बढ़ाकर दर्द को कम करती है। यह आमतौर पर अल्पकालिक उपयोग के लिए है और इसे डॉक्टर की सलाह के बिना नहीं लेना चाहिए।
साइड इफेक्ट्स: इस दवा के आम दुष्प्रभावों में मतली, बेचैनी, चक्कर आना, नींद आना, मुंह सूखना और पसीना आना शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं लेकिन इनमें दौरे पड़ना, भ्रम, तेज़ धड़कन, पेशाब में कठिनाई और गंभीर एलर्जी प्रतिक्रिया शामिल हो सकती है। अगर आपको कोई भी गंभीर लक्षण दिखे तो तुरंत डॉक्टर से संपर्क करें।
सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें। इसकी मात्रा न बढ़ाएं क्योंकि इससे दौरे पड़ने का खतरा बढ़ सकता है। इस दवा के साथ शराब न पिएं क्योंकि इससे नींद और चक्कर आ सकते हैं। जब तक आपको पता न चले कि यह दवा आप पर कैसा असर करती है, तब तक वाहन न चलाएं। अगर आपको दौरे, ग्लूकोमा, पेशाब की समस्या, किडनी या लीवर की बीमारी है तो डॉक्टर को बताएं। गर्भवती या स्तनपान कराने वाली महिलाएं डॉक्टर से सलाह लें।
💊 nefistar 20mg tablet Uses & Benefits
[{"condition":"Acute postoperative pain","description":"This medicine is used to relieve moderate to severe pain following surgery, often as part of a multimodal pain management plan.","evidence":"Well-established"},{"condition":"Musculoskeletal pain","description":"It helps reduce pain associated with muscle strains, sprains, and other musculoskeletal injuries.","evidence":"Well-established"},{"condition":"Acute pain from injuries","description":"This medicine can be used for short-term relief of pain caused by minor injuries or trauma.","evidence":"Moderate"},{"condition":"Pain from dental procedures","description":"It may be prescribed for short-term relief of dental pain after procedures.","evidence":"Limited"}]
Off-label uses: [{"condition":"Chronic neuropathic pain","description":"Sometimes used off-label for certain types of chronic nerve pain, but evidence is limited.","evidence":"Limited"},{"condition":"Migraine","description":"Rarely used off-label for acute migraine treatment, but not a standard therapy.","evidence":"Limited"}]
Primary treatment for: Acute pain
Also treats: Postoperative pain, Musculoskeletal pain, Dental pain
📋 Drug Information
| Generic Name(s) | Information coming soon |
| Brand Name | nefistar 20mg tablet |
| Manufacturer | Multiple manufacturers |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | CARDIAC |
| Action Class | Calcium channel blockers- Dihydropyridines (DHP) |
| Route of Administration | Oral |
| Storage | Store at room temperature (15-30°C) in a dry place, away from direct sunlight and moisture. Keep out of reach of children. |
| Shelf Life | 24 months from the date of manufacture. |
| WHO Guideline | Not established from the available information. |
| ICMR Guideline | Not established from the available information. |
👨⚕️ Doctor's Practical Tips
Evidence-based practical advice from experienced clinicians
🔍 Is This Medicine Right for Your Symptom?
Educational reference. Always consult a doctor for diagnosis.
🔬 How This Medicine Works (Pharmacology)
Pharmacokinetics
How It Works
This medicine works by inhibiting the reuptake of serotonin, norepinephrine, and dopamine in the central nervous system. This increases the levels of these neurotransmitters in the synaptic cleft, which helps to modulate pain perception and produce analgesia. It also has some anticholinergic and sympathomimetic effects, which contribute to its side effect profile.
Mechanism Steps
💡 How to Take nefistar 20mg tablet
Strength: 20 mg immediate-release tablet
Dosage Information
| Adult Dosage | The usual adult dose of this medicine is 20 mg to 60 mg taken orally every 4 to 6 hours as needed for pain, but the maximum recommended dose is 120 mg per day. However, the exact dose and frequency must be individualized by a qualified clinician based on the indication, age, weight, renal and hepatic function, and response to treatment. Do not exceed the prescribed dose. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. |
| Elderly Dosage | Elderly patients may be more sensitive to the side effects of this medicine, especially drowsiness, confusion, and urinary retention. Start with a lower dose and monitor closely. Dose must be individualized by a qualified clinician. |
| Renal Impairment | Dose adjustment may be needed in patients with renal impairment. Consult your doctor for individualized dosing. |
| Hepatic Impairment | Dose adjustment may be needed in patients with hepatic impairment. Consult your doctor for individualized dosing. |
| Maximum Daily Dose | The maximum recommended daily dose is 120 mg, but this may vary based on clinical judgment. Do not exceed the dose prescribed by your doctor. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of nefistar 20mg tablet
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| MAO inhibitors | Major | |
| Tramadol | Major | |
| Anticholinergic drugs | Major | |
| SSRIs | Moderate | |
| Tricyclic antidepressants | Moderate | |
| Opioid analgesics | Moderate | |
| Alcohol | Minor | |
| Antihistamines | Minor |
🚨 Major Interactions
- MAO inhibitors
- Tramadol
- Anticholinergic drugs
⚡ Moderate Interactions
- SSRIs
- Tricyclic antidepressants
- Opioid analgesics
🍷 Alcohol Interaction
Avoid alcohol while taking this medicine because it can increase drowsiness, dizziness, and the risk of central nervous system depression.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Known hypersensitivity to nefopam or any component of the tablet","History of seizures or epilepsy","Glaucoma (narrow-angle)","Urinary retention due to prostate enlargement or other causes","Concurrent use with MAO inhibitors","Children under 12 years of age"]
⚠️ Warnings & Precautions
["May cause drowsiness; avoid driving or operating machinery until you know how it affects you.","Avoid alcohol and other CNS depressants.","Use with caution in elderly patients due to increased risk of confusion and falls.","May increase risk of seizures; use with caution in patients with a history of seizures.","Not recommended for long-term use due to risk of dependence.","Consult your doctor if you have kidney or liver disease.","Do not exceed the recommended dose."]
🤱 Lactation Safety
It is not known whether this medicine passes into breast milk. Consult your doctor before breastfeeding.
💊 Overdose Management
Overdose may cause severe drowsiness, seizures, fast heartbeat, hallucinations, and difficulty breathing. Seek immediate medical attention. Treatment is supportive and symptomatic. There is no specific antidote.
⏰ 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.
Additional Safety Advice
Take this medicine exactly as prescribed by your doctor. Do not take more than the recommended dose, as this can increase the risk of serious side effects, including seizures. Avoid drinking alcohol while taking this medicine because it can increase drowsiness and dizziness. Do not drive or operate heavy machinery until you know how this medicine affects you. Inform your doctor if you have a history of seizures, glaucoma, prostate problems, kidney or liver disease, or heart problems. Do not stop taking this medicine suddenly without talking to your doctor, especially if you have been taking it for a long time. Keep this medicine out of reach of children and store it at room temperature away from moisture and heat. If you are pregnant, planning to become pregnant, or breastfeeding, consult your doctor before using this medicine.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Elderly patients are more sensitive to the side effects of this medicine, especially drowsiness, confusion, and urinary retention. Lower doses may be needed, and close monitoring is advised.
🤰 Pregnancy Planning (TTC)
If you are planning to become pregnant, consult your doctor before taking this medicine. It should be used during pregnancy only if clearly needed and under medical supervision.
🏥 Post-Surgery Considerations
This medicine may be used for postoperative pain relief. Follow your surgeon's instructions carefully and inform them if you experience any side effects.
🦷 Dental Procedures
Inform your dentist if you are taking this medicine before any dental procedure. It may interact with anesthetics or other medications used during dental work.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
While taking this medicine, you may experience drowsiness or dizziness. Avoid strenuous exercise or activities that require alertness until you know how the medicine affects you. Consult your doctor before starting any new exercise regimen.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine may cause drowsiness, dizziness, and difficulty concentrating, which can affect your ability to drive or operate machinery. It is advisable to avoid these activities until you know how the medicine affects you. Inform your employer if your job requires alertness.
🛑 When to Stop This Medicine
Do not stop taking this medicine suddenly without consulting your doctor, especially if you have been taking it for a prolonged period. Your doctor will advise you on how to taper the dose if needed. If you experience serious side effects, seek immediate medical attention.
📅 Long-Term Use Effects
Long-term use of this medicine may lead to tolerance, dependence, and increased risk of side effects such as seizures, liver enzyme elevation, and kidney problems. It is not recommended for extended use without regular monitoring by a healthcare professional. Periodic assessment of liver and kidney function may be advised.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Can complement medicine for chronic pain and improve mobility.
Evidence: Well-establishedMay help with certain types of pain, but evidence is mixed.
Evidence: ModerateCan help manage pain and reduce stress.
Evidence: Moderate💉 Vaccination Considerations
💉 If You're Getting Vaccinated
There are no known interactions between this medicine and vaccines. However, consult your doctor before receiving any vaccine 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
When traveling, carry this medicine in its original packaging with a copy of your prescription. Store it at room temperature and protect it from moisture and heat. If crossing time zones, adjust dosing times gradually as advised by your doctor. Check local customs regulations regarding prescription medicines before traveling internationally.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: This medicine usually starts relieving pain within 15 to 30 minutes after taking it.
A: Yes, you can take it with or without food, but taking it with food may reduce stomach upset.
A: This medicine is generally recommended for short-term use only. Long-term use should be under medical supervision due to risk of dependence and other side effects.
A: 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.
A: No, you should avoid alcohol while taking this medicine as it can increase drowsiness and dizziness.
🤔 Common Patient Concerns
🛑 Myths vs. Facts
- Myth: This medicine is a safe alternative to opioids with no risk of dependence.
Fact: This medicine can cause dependence and has serious side effects, including seizures. It should be used only under medical supervision. - Myth: You can take this medicine for any type of pain, including chronic pain.
Fact: This medicine is approved for short-term treatment of acute pain. It is not recommended for chronic pain management. - Myth: It is safe to drive after taking this medicine.
Fact: This medicine can cause drowsiness and dizziness. Avoid driving or operating machinery until you know how it affects you.
🔄 Alternative Options
Generic Alternatives
- Nefopam 20 mg tablet
Brand Alternatives
- Nefistar 20mg tablet