Halogen 20mg Tablet: Complete Medicine Information
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- High fever with severe muscle stiffness
- Confusion or loss of consciousness
- Irregular or rapid heartbeat
- Repetitive involuntary movements of the face, tongue, or limbs
- Yellowing of skin or eyes
- Severe allergic reaction with swelling of face, lips, or throat
- Difficulty breathing or chest pain
If experiencing severe symptoms, call emergency services immediately.
What is oprex 20mg tablet used for?
This medicine is a typical antipsychotic containing haloperidol. It is used to treat schizophrenia, acute psychosis, and severe agitation. It works by blocking dopamine D2 receptors in the brain. It is a high-strength 20 mg tablet and must be taken exactly as prescribed.
- Generic Name: Haloperidol (20mg)
- Manufacturer: Psycormedies
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 oprex 20mg tablet के बारे में (Hindi Summary)
उपयोग: यह दवा हेलोपेरिडोल नामक सक्रिय तत्व से बनी है और मुख्य रूप से सिज़ोफ्रेनिया, तीव्र मनोविकृति और गंभीर आंदोलन जैसी मानसिक समस्याओं के इलाज में उपयोग की जाती है। यह मस्तिष्क में डोपामाइन रिसेप्टर्स को ब्लॉक करके काम करती है, जिससे मतिभ्रम और भ्रम जैसे लक्षण कम होते हैं। यह 20 मिलीग्राम की उच्च शक्ति वाली गोली है, इसलिए इसे डॉक्टर के निर्देशानुसार ही लें।
साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में नींद आना, चक्कर आना, मुँह सूखना, कब्ज और मांसपेशियों में अकड़न शामिल हैं। गंभीर दुष्प्रभावों में उच्च बुखार, मांसपेशियों में तेज अकड़न, भ्रम, अनियमित दिल की धड़कन और शरीर के अनैच्छिक हिलने-डुलने की समस्या हो सकती है। अगर आपको ऐसे लक्षण दिखें तो तुरंत डॉक्टर से संपर्क करें।
सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें। इसे चबाएं या तोड़ें नहीं। जब तक आपको पता न चले कि यह दवा आप पर कैसा असर करती है, तब तक वाहन चलाने या मशीनरी चलाने से बचें। इस दवा के साथ शराब न पिएं। अपने डॉक्टर को अपनी सभी दवाओं के बारे में बताएं। नियमित जांच के लिए डॉक्टर के पास जाते रहें।
💊 oprex 20mg tablet Uses & Benefits
[{"condition":"Schizophrenia","description":"Helps control hallucinations, delusions, and disorganised thinking in adults with schizophrenia.","evidence":"Well-established"},{"condition":"Acute psychosis","description":"Used for short-term management of severe agitation and psychotic symptoms.","evidence":"Well-established"},{"condition":"Bipolar disorder (manic phase)","description":"May be used as an add-on treatment for acute mania when other medicines are not effective.","evidence":"Moderate"},{"condition":"Severe behavioural problems","description":"Sometimes used in adults with intellectual disability or dementia when other treatments fail.","evidence":"Limited"},{"condition":"Tourette syndrome","description":"Can reduce tics in some patients when other treatments are not suitable.","evidence":"Limited"}]
Off-label uses: [{"condition":"Nausea and vomiting","description":"Occasionally used off-label for severe nausea when other treatments are not effective.","evidence":"Limited"},{"condition":"Huntington's disease chorea","description":"May be prescribed off-label to reduce involuntary movements.","evidence":"Limited"}]
Primary treatment for: Schizophrenia
Also treats: Acute psychosis, Bipolar disorder (manic phase), Severe behavioural problems, Tourette syndrome
📋 Drug Information
| Generic Name(s) | Haloperidol (20mg) |
| Brand Name | oprex 20mg tablet |
| Manufacturer | Psycormedies |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | NEURO CNS |
| Action Class | Typical Antipsychotics |
| Route of Administration | Oral |
| Storage | Store at room temperature (15-30°C) in a dry place. Protect from light 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 blocking dopamine D2 receptors in the brain. By reducing dopamine signalling, it helps control psychotic symptoms such as hallucinations and delusions. It also affects other brain pathways, which can lead to movement-related side effects.
Mechanism Steps
💡 How to Take oprex 20mg tablet
Strength: 20 mg immediate-release tablet
Dosage Information
| Adult Dosage | The usual adult dose of this medicine for schizophrenia or acute psychosis ranges from 1 mg to 5 mg two to three times daily, but higher doses up to 20 mg per day may be used in severe cases. The 20 mg tablet is a high-strength formulation and is usually reserved for patients who require higher doses. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function, and response to treatment. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. |
| Elderly Dosage | Elderly patients are more sensitive to the effects of this medicine. Start with a lower dose and increase gradually as needed. Close monitoring for side effects is recommended. |
| Renal Impairment | Dose adjustment may be needed in patients with kidney disease. Consult your doctor for individualized dosing. |
| Hepatic Impairment | Dose adjustment may be needed in patients with liver disease. Consult your doctor for individualized dosing. |
| Maximum Daily Dose | The maximum recommended daily dose of this medicine is 20 mg per day for oral administration, but higher doses may be used in some cases under close medical supervision. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of oprex 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 |
|---|---|---|
| MAOIs | Major | |
| QT-prolonging drugs | Major | |
| Levodopa | Major | |
| Carbamazepine | Moderate | |
| Fluoxetine | Moderate | |
| Rifampicin | Moderate | |
| Antacids | Minor | |
| Caffeine | Minor |
🚨 Major Interactions
- Monoamine oxidase inhibitors (MAOIs)
- QT-prolonging drugs (e.g., amiodarone, sotalol)
- Levodopa
⚡ Moderate Interactions
- Carbamazepine
- Fluoxetine
- Rifampicin
🍷 Alcohol Interaction
Avoid alcohol while taking this medicine. Alcohol can increase drowsiness, dizziness, and difficulty concentrating, and may worsen the side effects of this medicine.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Parkinson's disease","Severe heart disease or recent heart attack","Severe central nervous system depression","Coma","Known hypersensitivity to haloperidol or any component of this medicine","Blood dyscrasias","Phaeochromocytoma"]
⚠️ Warnings & Precautions
["This medicine may cause drowsiness. Avoid driving or operating machinery until you know how it affects you.","Do not stop this medicine suddenly without medical advice.","This medicine can cause a serious condition called neuroleptic malignant syndrome. Seek immediate medical help if you develop high fever, severe muscle stiffness, confusion, or irregular heartbeat.","This medicine may cause tardive dyskinesia, which can be irreversible. Report any involuntary movements to your doctor immediately.","Use with caution in elderly patients with dementia, as there is an increased risk of stroke and death.","This medicine may increase prolactin levels, which can cause breast enlargement, milk secretion, and sexual dysfunction.","Avoid alcohol while taking this medicine.","Tell your doctor if you have liver disease, kidney disease, heart disease, or a history of seizures."]
🤱 Lactation Safety
This medicine passes into breast milk. Breastfeeding is not recommended while taking this medicine unless advised by your doctor. Consult your doctor for guidance.
💊 Overdose Management
Overdose of this medicine can cause severe drowsiness, coma, low blood pressure, irregular heartbeat, and muscle rigidity. Seek emergency medical help immediately. Treatment is supportive and may include activated charcoal, intravenous fluids, and ECG monitoring. 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 take a double dose to make up for a missed one.
Additional Safety Advice
Take this medicine exactly as prescribed by your doctor. Do not crush or chew the tablet unless your doctor tells you to. Avoid driving or operating heavy machinery until you know how this medicine affects you. Do not drink alcohol while taking this medicine because it can increase drowsiness and dizziness. Tell your doctor about all other medicines you take, especially those for heart problems, depression, or infections. Keep all follow-up appointments so your doctor can check for side effects. Do not stop this medicine suddenly without medical advice.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Elderly patients are more sensitive to the side effects of this medicine, especially drowsiness, dizziness, and movement disorders. They also have an increased risk of stroke and death when used for dementia-related psychosis. Use with caution and close monitoring.
🤰 Pregnancy Planning (TTC)
If you are planning to become pregnant, consult your doctor before taking this medicine. This medicine should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Your doctor may adjust your treatment plan.
🏥 Post-Surgery Considerations
Inform your surgeon and anaesthesiologist that you are taking this medicine before any surgery. This medicine may interact with anaesthetic agents and affect your recovery. Your doctor may advise you to stop or adjust the dose before surgery.
🦷 Dental Procedures
Inform your dentist that you are taking this medicine before any dental procedure. This medicine can cause dry mouth, which may increase the risk of dental problems. It may also interact with certain dental anaesthetics.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
This medicine can cause drowsiness and dizziness. Avoid strenuous exercise or activities that require alertness until you know how this medicine affects you. Light to moderate exercise is generally safe, but consult your doctor before starting any new exercise program.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine can cause drowsiness, dizziness, and difficulty concentrating, which may affect your ability to drive or operate machinery. It is important to avoid these activities until you know how the medicine affects you. Discuss with your employer if you need adjustments to your work schedule.
🛑 When to Stop This Medicine
Do not stop this medicine without consulting your doctor. Your doctor will decide when and how to stop based on your condition and response to treatment. Sudden discontinuation can cause withdrawal symptoms or relapse of your condition.
📅 Long-Term Use Effects
Long-term use of this medicine may increase the risk of tardive dyskinesia, a potentially irreversible movement disorder. Regular monitoring by a healthcare professional is essential. Other long-term effects may include metabolic changes and hormonal imbalances. Your doctor will periodically assess the benefits and risks of continued treatment.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Can complement medicine for managing psychotic symptoms.
Evidence: Well-establishedHelps support the patient and family in managing the condition.
Evidence: ModerateRegular exercise, healthy diet, and stress management can improve overall well-being.
Evidence: Moderate💉 Vaccination Considerations
💉 If You're Getting Vaccinated
There are no specific vaccine interactions known with this medicine. 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
Carry this medicine in its original packaging with a copy of your prescription. Keep it in your hand luggage. Store at room temperature and protect from light and moisture. If crossing time zones, consult your doctor about adjusting the timing of doses. Check local customs regulations for controlled medicines before travelling.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: This medicine usually starts to work within 1 to 2 hours after taking a dose, but it may take several days to weeks to see full benefits for psychotic symptoms.
A: No, you should not stop this medicine suddenly as it can cause withdrawal symptoms. Always consult your doctor before stopping.
A: This medicine should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Consult your doctor.
🤔 Common Patient Concerns
🔄 Substitutes for oprex 20mg tablet
View AllAlternative brands with exact same active ingredient:
-
halidace 20mg tabletBaroda Pharma Pvt Ltd ₹42.84 6.7% CHEAPER
-
halobid 20mg tabletCrescent Therapeutics Ltd ₹49.71 8.3% COSTLIER
-
agidol 20 tabletConsern Pharma Limited ₹53.80 17.2% COSTLIER
-
halocare 20mg tablet dtLifecare Neuro Products Ltd ₹55.31 20.5% COSTLIER
-
halosten 20mg tabletEmocare ₹59.00 28.5% COSTLIER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: This medicine is addictive.
Fact: This medicine is not addictive, but it can cause dependence if stopped suddenly. Always taper under medical supervision. - Myth: This medicine can cure schizophrenia.
Fact: This medicine controls symptoms but does not cure schizophrenia. It must be used as part of a comprehensive treatment plan. - Myth: This medicine is safe to take during pregnancy.
Fact: This medicine should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Consult your doctor.
🔄 Alternative Options
Generic Alternatives
- Haloperidol 20 mg tablet
Brand Alternatives
- Halogen 20mg Tablet