Beta L 750mg Injection (Labetalol): 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
- Severe dizziness or fainting
- Chest pain or palpitations
- Difficulty breathing or wheezing
- Slow or irregular heartbeat
- Swelling of face, lips, or throat
- Yellowing of skin or eyes
- Decreased urine output
- Severe headache with confusion
If experiencing severe symptoms, call emergency services immediately.
What is beta l 750mg injection used for?
This medicine is a labetalol 750 mg injection used for the rapid control of severe high blood pressure in hospital settings. It is given intravenously by a healthcare professional and works by blocking alpha and beta receptors to lower blood pressure and heart rate. It is not for home use.
- Generic Name: Labetalol
- Manufacturer: Ravian Pharmaceuticals Ltd
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 beta l 750mg injection के बारे में (Hindi Summary)
उपयोग: यह दवा लैबेटालोल 750 मिलीग्राम इंजेक्शन है, जिसका उपयोग अस्पताल में गंभीर रूप से बढ़े हुए रक्तचाप (हाइपरटेंशन) को तुरंत नियंत्रित करने के लिए किया जाता है। यह अल्फा और बीटा रिसेप्टर्स को ब्लॉक करके रक्त वाहिकाओं को फैलाती है और हृदय की गति को धीमा करती है, जिससे रक्तचाप तेजी से कम होता है। इसका उपयोग गर्भावस्था में गंभीर उच्च रक्तचाप, सर्जरी के दौरान रक्तचाप नियंत्रण, और हाइपरटेंसिव इमरजेंसी में किया जाता है। यह दवा केवल डॉक्टर या नर्स द्वारा नस में दी जाती है, घर पर खुद से नहीं लगाई जाती।
साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में चक्कर आना, थकान, जी मिचलाना, उल्टी, और सिर की त्वचा में झुनझुनी शामिल हैं। कुछ रोगियों में हृदय गति धीमी हो सकती है, रक्तचाप बहुत कम हो सकता है, या सांस लेने में कठिनाई हो सकती है। गंभीर दुष्प्रभावों में गंभीर हाइपोटेंशन, हृदय ब्लॉक, ब्रोंकोस्पाज्म, और हृदय विफलता शामिल हैं। दुर्लभ मामलों में लीवर की समस्या, एलर्जी, और रक्त विकार हो सकते हैं। अस्पताल में इन पर नजर रखी जाती है।
सुरक्षा सलाह: यह दवा केवल अस्पताल में डॉक्टर या नर्स द्वारा दी जानी चाहिए, जहां रक्तचाप, हृदय गति और हृदय की लय की लगातार निगरानी हो सके। इसे घर पर खुद से न लगाएं। अगर आपको अस्थमा, सीओपीडी, हृदय विफलता, मधुमेह, लीवर या किडनी की बीमारी है, तो डॉक्टर को बताएं। अपनी सभी दवाओं के बारे में डॉक्टर को जानकारी दें। इस दवा के साथ शराब न पिएं। इस दवा को लेने के बाद चक्कर आ सकते हैं, इसलिए डॉक्टर की अनुमति के बिना गाड़ी न चलाएं।
💊 beta l 750mg injection Uses & Benefits
[{"condition":"Hypertensive emergencies","description":"Used for rapid blood pressure reduction in severe hypertension, including hypertensive encephalopathy, acute aortic dissection, and perioperative hypertension.","evidence":"Well-established"},{"condition":"Severe hypertension in pregnancy","description":"Used to manage severe high blood pressure in pregnant women, including preeclampsia and eclampsia, when rapid control is needed.","evidence":"Well-established"},{"condition":"Perioperative hypertension","description":"Used to control blood pressure during and after surgery, especially in patients with cardiac or vascular conditions.","evidence":"Well-established"},{"condition":"Hypertensive crisis in children","description":"May be used in pediatric patients for severe hypertension, but dosing is not well established and must be determined by a specialist.","evidence":"Limited"}]
Off-label uses: [{"condition":"Clonidine withdrawal hypertension","description":"Sometimes used to manage rebound hypertension after abrupt discontinuation of clonidine.","evidence":"Limited"},{"condition":"Migraine prophylaxis","description":"Occasionally used off-label for preventing migraines, though evidence is limited.","evidence":"Limited"}]
Primary treatment for: Hypertensive emergencies
Also treats: Severe hypertension in pregnancy, Perioperative hypertension, Hypertensive encephalopathy, Aortic dissection
📋 Drug Information
| Generic Name(s) | Labetalol |
| Brand Name | Alphadopa L |
| Manufacturer | Ravian Pharmaceuticals Ltd |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | CARDIAC |
| Action Class | Alpha & beta blocker |
| Route of Administration | Parenteral (intravenous or intramuscular). This medicine is not for oral use |
| Storage | Store at room temperature between 20°C and 25°C (68°F to 77°F). Do not freeze. Protect from light. Keep in the original container until use. Once diluted for infusion, use as directed by the healthcare provider. |
| Shelf Life | Refer to the product packaging for the expiration date. Do not use after the expiry date. |
| WHO Guideline | The World Health Organization recommends labetalol as one of the first-line agents for the management of severe hypertension in pregnancy, including preeclampsia and eclampsia. It is also recommended for hypertensive emergencies in adults when rapid blood pressure control is needed. |
| ICMR Guideline | The Indian Council of Medical Research recommends labetalol for the management of hypertensive emergencies, including severe hypertension in pregnancy, under close medical supervision. It is considered safe and effective for rapid blood pressure reduction. |
👨⚕️ 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
Labetalol is a competitive antagonist at both alpha-1 and beta-adrenergic receptors. It blocks alpha-1 receptors in blood vessels, causing vasodilation and reducing peripheral vascular resistance. It also blocks beta-1 receptors in the heart, reducing heart rate and contractility, and beta-2 receptors in the lungs, which can cause bronchoconstriction. The ratio of alpha to beta blockade is approximately 1:3 after intravenous administration. This combined action leads to a rapid fall in blood pressure without a significant reflex tachycardia.
Mechanism Steps
💡 How to Take beta l 750mg injection
Strength: Injection: 750 mg in a single-use vial. Must be diluted before intravenous infusion.
Dosage Information
| Adult Dosage | The dose of this medicine is individualized by a qualified clinician based on the patient's condition, blood pressure response, and other factors. For hypertensive emergencies, a common initial intravenous dose is 20 mg over 2 minutes, followed by 40-80 mg every 10 minutes as needed, up to a maximum of 300 mg. Alternatively, an infusion may be started at 0.5-2 mg/min and titrated to effect. The 750 mg strength is a high-dose vial intended for dilution and specific clinical scenarios. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. Use only under specialist supervision. |
| Elderly Dosage | Elderly patients may be more sensitive to the blood pressure-lowering effects of this medicine. Start with lower doses and titrate slowly. Monitor blood pressure and heart rate closely. Dose must be individualized by a qualified clinician. |
| Renal Impairment | No specific dose adjustment is established for renal impairment, but use with caution. Monitor kidney function and blood pressure closely. Dose must be individualized by a qualified clinician. |
| Hepatic Impairment | Labetalol is metabolized in the liver. In patients with hepatic impairment, the dose may need to be reduced. Monitor liver function and adjust dose as needed. Dose must be individualized by a qualified clinician. |
| Maximum Daily Dose | The maximum daily dose for intravenous labetalol is generally 300 mg, but this may vary based on clinical situation. The 750 mg strength is not intended for direct push; it must be diluted and administered as an infusion. Dose must be individualized by a qualified clinician. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of beta l 750mg injection
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Verapamil | Major | |
| Diltiazem | Major | |
| Clonidine | Major | |
| Digoxin | Major | |
| General anesthetics | Major | |
| NSAIDs | Moderate | |
| Tricyclic antidepressants | Moderate | |
| Corticosteroids | Moderate | |
| Insulin | Moderate | |
| Cimetidine | Minor |
🚨 Major Interactions
- Calcium channel blockers (e.g., verapamil, diltiazem)
- Other beta-blockers
- Clonidine
- Digoxin
- General anesthetics
⚡ Moderate Interactions
- Nonsteroidal anti-inflammatory drugs (NSAIDs)
- Tricyclic antidepressants
- Corticosteroids
- Insulin and oral hypoglycemics
🍷 Alcohol Interaction
Alcohol may increase the blood pressure-lowering effect of this medicine and cause excessive dizziness or fainting. Avoid alcohol while receiving this medicine and until your doctor says it is safe.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Severe asthma or chronic obstructive pulmonary disease","Second- or third-degree heart block","Severe bradycardia","Cardiogenic shock","Decompensated heart failure","Hypersensitivity to labetalol or any component of the formulation"]
⚠️ Warnings & Precautions
["This medicine must be administered only by healthcare professionals in a monitored setting.","Use with caution in patients with asthma or COPD; may cause bronchospasm.","May mask symptoms of hypoglycemia in diabetic patients.","May worsen heart failure; monitor closely.","Can cause severe hypotension; monitor blood pressure continuously.","Use with caution in patients with liver disease; dose adjustment may be needed.","Use with caution in patients with kidney disease; monitor renal function.","May cause dizziness; patients should not drive or operate machinery until effects are known.","Pregnancy: use only if clearly needed and under medical supervision.","Lactation: small amounts excreted in breast milk; monitor infant."]
🤱 Lactation Safety
Labetalol is excreted in breast milk in small amounts. It is generally considered safe during breastfeeding, but monitor the infant for signs of beta-blockade such as poor feeding, lethargy, or bradycardia. Consult your doctor.
💊 Overdose Management
Overdose of this medicine can cause severe hypotension, bradycardia, heart failure, and bronchospasm. Treatment is supportive and symptomatic. If hypotension occurs, place the patient in a supine position and administer intravenous fluids. If bradycardia is severe, atropine or a pacemaker may be needed. For bronchospasm, use inhaled beta-2 agonists. Glucagon may be used for severe beta-blocker toxicity. Dialysis is not effective for removing labetalol. Seek immediate medical attention.
⏰ Missed Dose
This medicine is given by a healthcare professional in a hospital or clinic setting. Missed doses are not applicable for patient self-administration. If you miss a scheduled dose, inform your healthcare provider immediately. Do not attempt to administer this medicine yourself.
Additional Safety Advice
This medicine must only be given by a healthcare professional in a setting where blood pressure, heart rate, and heart rhythm can be continuously monitored. Do not attempt to administer this medicine at home. Inform your doctor if you have asthma, chronic obstructive pulmonary disease, heart failure, diabetes, liver disease, or kidney disease. Tell your doctor about all other medicines you are taking, especially other blood pressure medicines, calcium channel blockers, and drugs that affect heart rhythm. Avoid alcohol while receiving this medicine. If you are pregnant, this medicine may be used under medical supervision for severe hypertension, but only when clearly needed. After receiving this medicine, you may feel dizzy or faint; do not drive or operate machinery until you are fully alert and your doctor says it is safe.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Elderly patients may be more sensitive to the blood pressure-lowering effects of this medicine. Lower doses and careful monitoring are recommended. Risk of dizziness and falls is increased.
🤰 Pregnancy Planning (TTC)
If you are planning pregnancy and have high blood pressure, consult your doctor to review your medications. Labetalol is considered safe in pregnancy for severe hypertension, but only use under medical supervision. Do not start or stop any medicine without consulting your doctor.
🏥 Post-Surgery Considerations
This medicine is often used during and after surgery to control blood pressure. After surgery, your healthcare team will monitor your blood pressure and adjust medications as needed. Follow all postoperative instructions carefully.
🦷 Dental Procedures
Inform your dentist if you are taking labetalol, especially if you are on oral therapy. It may interact with certain local anesthetics containing epinephrine, potentially causing blood pressure changes. Your dentist may need to adjust the anesthetic used.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
After receiving this medicine, avoid strenuous exercise or sudden movements until your blood pressure is stable and your doctor approves. Dizziness may occur with position changes.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine is given in a hospital setting, so it does not directly impact daily work. After discharge, if you are switched to oral labetalol, you may experience dizziness or fatigue; avoid driving or operating heavy machinery until you know how it affects you.
🛑 When to Stop This Medicine
Do not stop this medicine without consulting your doctor. In the hospital, the healthcare team will decide when to stop based on your condition. If you are on oral labetalol at home, never stop abruptly as it can cause rebound hypertension.
📅 Long-Term Use Effects
Long-term use of labetalol is generally for oral therapy, not injection. Prolonged use may lead to fatigue, exercise intolerance, and masking of hypoglycemia. Regular monitoring of blood pressure, heart rate, and liver function is advised. Do not stop suddenly without medical advice.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Another vasodilator used for hypertensive emergencies, especially in pregnancy.
Evidence: Well-establishedA calcium channel blocker used for hypertensive emergencies.
Evidence: Well-establishedOnce stabilized, patients are transitioned to oral medications for long-term blood pressure control.
Evidence: Well-established💉 Vaccination Considerations
💉 If You're Getting Vaccinated
There are no known interactions between this medicine and vaccines. However, always inform your healthcare provider about all medicines you are taking before receiving any vaccine.
📦 Storage Guide
✅ DO
Store at room temperature (20-25°C)
❌ DON'T
Do not freeze
✅ DO
Keep in original container
❌ DON'T
Do not transfer to unmarked containers
✅ DO
Protect from light
❌ DON'T
Do not store in bathroom cabinet
✅ DO
Use before expiry date
❌ DON'T
Do not use if solution is discolored or contains particles
✈️ Traveling with This Medicine
This medicine is given in a hospital setting and is not for self-administration during travel. If you are prescribed oral labetalol for travel, carry it in its original packaging with a copy of your prescription. Store at room temperature and protect from light. Check customs regulations for controlled substances. For injectable forms, they are administered by healthcare professionals only.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: This medicine starts working within 2 to 5 minutes after intravenous administration.
A: No, this medicine must only be given by a healthcare professional in a hospital or clinic setting with monitoring.
A: It is one of the preferred medicines for severe high blood pressure in pregnancy, but it must be used under close medical supervision.
A: Lie down and inform your nurse or doctor immediately. Do not try to stand up quickly.
🤔 Common Patient Concerns
🛑 Myths vs. Facts
- Myth: Labetalol injection can be self-administered at home.
Fact: This medicine must only be given by a healthcare professional in a monitored setting. It is not for home use. - Myth: Labetalol is safe for everyone with high blood pressure.
Fact: It is contraindicated in patients with severe asthma, certain heart conditions, and other specific conditions. It should only be used under medical supervision. - Myth: Labetalol injection is the same as oral labetalol.
Fact: The injection is a different formulation with a much faster onset and is used for emergencies. Oral labetalol is used for chronic blood pressure control.
🔄 Alternative Options
Generic Alternatives
- Labetalol hydrochloride injection
Brand Alternatives
- Beta L 750mg Injection