Benidin CH 4mg/12.5mg Tablet: Complete Guide to Uses, Side Effects, and Safety
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- Severe dizziness or fainting
- Swelling of face, lips, tongue, or throat
- Difficulty breathing or chest pain
- Irregular or rapid heartbeat
- Decreased urine output or swelling in legs
- Severe abdominal pain with nausea and vomiting
- Unusual bleeding or bruising
- Yellowing of skin or eyes
- Severe muscle cramps or weakness
- Confusion or seizures
If experiencing severe symptoms, call emergency services immediately.
What is benexa ct 4mg/12.5mg tablet used for?
This medicine is a combination of Benidipine (a calcium channel blocker) and Chlorthalidone (a diuretic) used to treat high blood pressure. It works by relaxing blood vessels and removing excess fluid, thereby lowering blood pressure and reducing the risk of heart attack and stroke.
- Generic Name: Benidipine + Chlorthalidone
- Manufacturer: Nectazen Pharmaceuticals
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 benexa ct 4mg/12.5mg tablet के बारे में (Hindi Summary)
उपयोग: यह दवा उच्च रक्तचाप (हाइपरटेंशन) के इलाज के लिए इस्तेमाल की जाती है। इसमें बेनिडिपिन और क्लोर्थालिडोन दो सक्रिय तत्व हैं। बेनिडिपिन रक्त वाहिकाओं को आराम देकर चौड़ा करता है, जिससे रक्त का प्रवाह आसान हो जाता है। क्लोर्थालिडोन गुर्दों से अतिरिक्त नमक और पानी को बाहर निकालने में मदद करता है, जिससे रक्त में तरल की मात्रा कम होती है और रक्तचाप कम होता है। यह दवा उन वयस्कों के लिए है जिनका रक्तचाप एक दवा से नियंत्रित नहीं हो पाता। यह स्ट्रोक, दिल के दौरे और गुर्दे की क्षति के जोखिम को कम करने में मदद करती है। इसे डॉक्टर के निर्देशानुसार ही लें।
साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में चक्कर आना, सिरदर्द, थकान और बार-बार पेशाब आना शामिल हैं। कुछ रोगियों को पैरों में सूजन, धड़कन तेज होना या चेहरे पर गर्मी महसूस हो सकती है। क्लोर्थालिडोन के कारण पोटैशियम और सोडियम की कमी हो सकती है, जिससे मांसपेशियों में ऐंठन, कमजोरी या भ्रम हो सकता है। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन अत्यधिक निम्न रक्तचाप, एलर्जी, अनियमित दिल की धड़कन या गुर्दे की समस्या हो सकती है। कोई भी असामान्य लक्षण दिखने पर तुरंत डॉक्टर से संपर्क करें।
सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें, आमतौर पर सुबह में एक बार। रात में पेशाब की समस्या से बचने के लिए सुबह लेना बेहतर है। डॉक्टर की सलाह के बिना दवा बंद या डोज न बदलें, क्योंकि इससे रक्तचाप अचानक बढ़ सकता है। नियमित रूप से रक्तचाप की जांच करें। शराब से बचें, क्योंकि इससे चक्कर आ सकते हैं। अचानक उठने से बचें। अगर आपको मधुमेह, गाउट, गुर्दे या लीवर की बीमारी है, तो डॉक्टर को बताएं। पोटैशियम सप्लीमेंट बिना सलाह न लें। नियमित रक्त जांच कराते रहें।
💊 benexa ct 4mg/12.5mg tablet Uses & Benefits
- [{"condition":"Hypertension","description":"This medicine is used to lower high blood pressure in adults when monotherapy is insufficient.
- It reduces systolic and diastolic blood pressure, thereby decreasing the risk of cardiovascular events.","evidence":"Well-established"},{"condition":"Hypertension with fluid retention","description":"The diuretic component helps remove excess fluid, making it useful in patients with hypertension and mild edema.","evidence":"Well-established"}]
Off-label uses: [{"condition":"Heart failure with hypertension","description":"Sometimes used off-label in patients with heart failure and high blood pressure, but requires careful monitoring.","evidence":"Limited"},{"condition":"Diuretic-resistant edema","description":"Rarely used off-label for edema resistant to other diuretics, but not a standard practice.","evidence":"Limited"}]
Primary treatment for: Hypertension
Also treats: Edema, Heart failure (with hypertension)
📋 Drug Information
| Generic Name(s) | Benidipine + Chlorthalidone |
| Brand Name | Benidin CH 4mg/12.5mg Tablet |
| Manufacturer | Nectazen Pharmaceuticals |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | CARDIAC |
| Action Class | Calcium channel blocker + Thiazide-like diuretic |
| Route of Administration | Oral |
| Storage | Store at room temperature between 15°C and 30°C (59°F to 86°F). Protect from light and moisture. Keep in the original container. |
| 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 combines two antihypertensive agents with complementary mechanisms. Benidipine, a dihydropyridine calcium channel blocker, inhibits the influx of calcium ions into vascular smooth muscle cells and cardiac myocytes. This leads to relaxation of peripheral arterioles, reducing peripheral vascular resistance and lowering blood pressure. Chlorthalidone, a thiazide-like diuretic, inhibits sodium reabsorption in the distal convoluted tubule of the kidney, increasing excretion of sodium, chloride, and water. This reduces plasma volume and, with long-term use, lowers peripheral vascular resistance. The combination provides additive blood pressure reduction.
Mechanism Steps
💡 How to Take benexa ct 4mg/12.5mg tablet
Strength: Tablet containing Benidipine 4 mg and Chlorthalidone 12.5 mg.
Dosage Information
| Adult Dosage | The usual adult dose is one tablet (Benidipine 4 mg + Chlorthalidone 12.5 mg) taken orally once daily, preferably in the morning. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function, and response to therapy. 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 blood pressure-lowering and diuretic effects. Start with a low dose and titrate slowly. Monitor renal function and electrolytes closely. |
| Renal Impairment | Use with caution in patients with renal impairment. Chlorthalidone is less effective when eGFR is below 30 mL/min. Dose adjustment may be required. Consult your doctor. |
| Hepatic Impairment | Use with caution in patients with hepatic impairment. Benidipine is metabolized in the liver; dose reduction may be necessary. Consult your doctor. |
| Maximum Daily Dose | The maximum recommended daily dose is one tablet (Benidipine 4 mg + Chlorthalidone 12.5 mg) once daily. Do not exceed without medical advice. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of benexa ct 4mg/12.5mg tablet
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Warfarin | Moderate | |
| Lithium | Major | |
| NSAIDs | Major | |
| CYP3A4 inhibitors | Major | |
| CYP3A4 inducers | Major | |
| Beta-blockers | Moderate | |
| ACE inhibitors/ARBs | Moderate | |
| Digoxin | Moderate | |
| Corticosteroids | Moderate | |
| Oral hypoglycemics | Moderate |
🚨 Major Interactions
- Potassium-sparing diuretics (e.g., spironolactone, triamterene)
- Lithium
- NSAIDs (e.g., ibuprofen, naproxen)
- CYP3A4 inhibitors (e.g., ketoconazole, ritonavir, clarithromycin)
- CYP3A4 inducers (e.g., rifampin, carbamazepine, St. John's wort)
⚡ Moderate Interactions
- Beta-blockers (e.g., metoprolol, atenolol)
- ACE inhibitors/ARBs
- Corticosteroids
- Digoxin
- Oral hypoglycemics
🍷 Alcohol Interaction
Alcohol can enhance the blood pressure-lowering effect of this medicine, leading to dizziness, fainting, and increased risk of falls. It is advisable to avoid alcohol or limit consumption while taking this medicine.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Hypersensitivity to Benidipine, Chlorthalidone, or sulfonamide-derived drugs","Anuria","Severe renal impairment (eGFR
⚠️ Warnings & Precautions
["Monitor blood pressure regularly and report any symptomatic hypotension.","Use with caution in patients with diabetes, gout, or electrolyte imbalances.","Avoid abrupt discontinuation to prevent rebound hypertension.","May cause dizziness; avoid driving or operating machinery until you know how it affects you.","Inform your doctor if you have kidney or liver disease.","Avoid alcohol while taking this medicine.","Do not take potassium supplements without medical advice.","Use sunscreen and protective clothing due to photosensitivity risk.","Report any signs of infection, bleeding, or unusual fatigue.","Elderly patients may be more sensitive to the effects; dose adjustment may be needed."]
🤱 Lactation Safety
Not recommended. Both Benidipine and Chlorthalidone are excreted in breast milk. Chlorthalidone may cause serious adverse reactions in nursing infants. Consult your doctor for alternative options if you are breastfeeding.
💊 Overdose Management
Overdose may cause severe hypotension, dizziness, electrolyte disturbances, and dehydration. Seek immediate medical attention. Treatment is supportive and symptomatic, including gastric lavage if recent ingestion, intravenous fluids, and monitoring of vital signs and electrolytes. 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 the dose to catch up.
Additional Safety Advice
Take this medicine exactly as prescribed, usually once daily in the morning to avoid nighttime urination. Do not stop or change the dose without consulting your doctor, as sudden withdrawal can cause a rebound increase in blood pressure. Monitor your blood pressure regularly and keep a record. Stay well hydrated, but avoid excessive fluid intake if your doctor has restricted it. Avoid alcohol, as it can enhance the blood pressure-lowering effect and cause dizziness. Rise slowly from sitting or lying positions to prevent dizziness. Inform your doctor if you have diabetes, gout, kidney or liver disease, or if you are pregnant or planning pregnancy. Do not take potassium supplements or salt substitutes without medical advice. Regular blood tests to check kidney function, electrolytes, and uric acid may be needed.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Elderly patients are more prone to electrolyte imbalances, dizziness, and falls. Start with a low dose and monitor blood pressure, kidney function, and electrolytes regularly. Ensure adequate hydration and avoid sudden position changes.
🤰 Pregnancy Planning (TTC)
This medicine is not recommended during pregnancy or when planning pregnancy. Consult your doctor to switch to a safer alternative before conception. Uncontrolled hypertension during pregnancy can be dangerous, so medical supervision is essential.
🏥 Post-Surgery Considerations
Inform your surgeon and anesthesiologist about this medicine before any surgery. It may need to be temporarily stopped or adjusted to prevent blood pressure fluctuations during surgery. Follow your doctor's instructions regarding perioperative management.
🦷 Dental Procedures
Inform your dentist about this medicine before any dental procedure. It may cause dry mouth or dizziness. Local anesthetics with epinephrine should be used with caution due to potential interaction with calcium channel blockers.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
Moderate exercise is generally safe and beneficial. However, avoid sudden strenuous activities if you are not used to them, as this medicine can cause dizziness. Stay hydrated during exercise. If you experience chest pain, severe shortness of breath, or dizziness, stop and seek medical attention.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine may cause dizziness or fatigue, especially when you first start taking it. Avoid driving or operating heavy machinery until you know how it affects you. It should not interfere with most office work. Take it in the morning to minimize nighttime urination affecting sleep.
🛑 When to Stop This Medicine
Do not stop this medicine without consulting your doctor. If you experience serious side effects such as severe hypotension, allergic reactions, or kidney problems, seek immediate medical advice. Your doctor may adjust the dose or switch to an alternative medicine.
📅 Long-Term Use Effects
Long-term use of this medicine is generally safe when monitored appropriately. It may cause electrolyte imbalances, increased blood sugar, and elevated uric acid levels. Regular monitoring of kidney function, electrolytes, and blood sugar is recommended. It effectively reduces the risk of cardiovascular events and stroke. Do not stop the medicine without medical advice.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Diet, exercise, weight loss, and stress reduction can help lower blood pressure and may reduce the need for medication.
Evidence: Well-establishedACE inhibitors, ARBs, beta-blockers, or other calcium channel blockers may be used based on individual patient profile.
Evidence: Well-established💉 Vaccination Considerations
💉 If You're Getting Vaccinated
No specific vaccine interactions are known. However, maintain routine vaccinations as recommended by your doctor. Inform your healthcare provider about this medicine before receiving any vaccine.
📦 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 and moisture
❌ DON'T
Do not store in bathroom cabinet
✅ DO
Keep out of reach of children
❌ DON'T
Do not use after expiry date
✈️ Traveling with This Medicine
Carry this medicine in its original packaging with a copy of your prescription. Keep it in your carry-on luggage to avoid loss. Store at room temperature and protect from extreme heat or moisture. If traveling across time zones, continue taking your dose at the same local time as usual, but consult your doctor if you need to adjust. Carry enough supply for the entire trip plus extra in case of delays. Check customs regulations for carrying prescription medicines.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: This medicine starts lowering blood pressure within a few hours, but the full effect may take 2 to 4 weeks of regular use.
A: It is best taken in the morning to avoid frequent urination at night. Consult your doctor if you need to change the timing.
A: If you remember within 12 hours, take it as soon as possible. If more than 12 hours have passed, skip the missed dose and continue with your regular schedule. Do not double dose.
A: No, do not stop without consulting your doctor. High blood pressure often has no symptoms, and stopping can cause a dangerous rebound increase.
A: When used as prescribed and monitored, it helps protect the kidneys by controlling blood pressure. However, regular monitoring of kidney function is important.
🤔 Common Patient Concerns
🔄 Substitutes for benexa ct 4mg/12.5mg tablet
View AllAlternative brands with exact same active ingredient:
-
beniduce ch 4mg/12.5mg tabletMacleods Pharmaceuticals Pvt Ltd ₹40.31 76.1% CHEAPER
-
benidip ch 4mg/12.5mg tabletPrecia Pharma ₹83.70 50.4% CHEAPER
-
vitabend ch 4mg/12.5mg tabletVitabolik Pharma ₹92.81 45% CHEAPER
-
benipack ct 4mg/12.5mg tabletKoye Pharmaceuticals Pvt ltd ₹112.50 33.3% CHEAPER
-
benidin ch 4mg/12.5mg tabletLloyd Healthcare Pvt Ltd ₹119.90 28.9% CHEAPER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: This medicine can be stopped once blood pressure normalizes.
Fact: Hypertension is a chronic condition; stopping medication can cause rebound high blood pressure. Always consult your doctor before stopping. - Myth: This medicine damages the kidneys.
Fact: When used appropriately, it protects the kidneys by controlling blood pressure. Regular monitoring is important. - Myth: Taking this medicine means you can eat salty food freely.
Fact: A low-sodium diet is essential for effective blood pressure control. - Myth: This medicine causes excessive urination only at night.
Fact: It increases urination throughout the day; taking it in the morning minimizes nighttime urination.
🔄 Alternative Options
Generic Alternatives
- Benidipine + Chlorthalidone combination tablets from other manufacturers
Brand Alternatives
- Benidin CH 4mg/12.5mg tablet