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Metzok Metoprolol 100mg Tablet
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What is Metzok 100mg Used For?
- Hypertension — higher dose for patients requiring stronger beta-blockade for blood pressure control.
- Chronic stable angina — reduces anginal frequency and improves exercise capacity.
- Chronic heart failure (HF-rEF) — 100mg is an advanced target dose after gradual titration.
- Post-MI cardiac protection and heart rate control in atrial fibrillation.
How Does Metzok 100mg Work?
- Metoprolol Succinate is a cardioselective beta-1 adrenergic receptor blocker.
- Blocks beta-1 receptors in the heart, reducing heart rate, myocardial contractility, and blood pressure.
- Sustained-release formulation delivers Metoprolol gradually over 24 hours for stable drug concentrations.
- Cardioselectivity minimises effects on beta-2 receptors in the lungs compared to non-selective beta-blockers.
How to Use Metzok 100mg
Dosage: 100mg once daily; only reached after step-wise upward titration from lower doses.
Timing: Take in the morning at the same time each day; swallow whole with water.
Precaution: Do not crush, chew, or split. Do NOT stop abruptly — taper gradually over 2+ weeks.
Side Effects of Metzok 100mg
Common Side Effects: Bradycardia, fatigue, cold extremities, dizziness, depression, sleep disturbances.
Serious Side Effects (seek medical help): Severe bradycardia, heart block, worsening heart failure, severe bronchospasm.
Benefits
- Higher dose for resistant hypertension, advanced angina, or heart failure dose optimisation.
- Extended-release formulation for consistent 24-hour efficacy with once-daily dosing.
- Cardioselective — reduced bronchospasm risk compared to non-selective beta-blockers.
- Proven cardiovascular mortality reduction in heart failure (MERIT-HF trial data).
- USV-manufactured product with consistent bioavailability.
Warnings and Precautions
- Do NOT stop abruptly — sudden withdrawal risks rebound angina, MI, or severe hypertension. Taper over 2+ weeks.
- Contraindicated in severe bradycardia, AV block (>1st degree), cardiogenic shock, and decompensated heart failure.
- Cardioselectivity diminishes at higher doses — use with extra caution in asthma or COPD.
- Masks tachycardia as a warning sign of hypoglycaemia — heightened vigilance in insulin-dependent diabetic patients.
- Monitor resting heart rate regularly; consult your doctor if consistently below 55 bpm.
Drug Interactions
- Calcium channel blockers (verapamil, diltiazem): severe bradycardia and AV block risk — avoid combination.
- Digoxin: additive AV conduction slowing — monitor both heart rate and digoxin levels.
- Insulin and antidiabetics: Metoprolol masks hypoglycaemia tachycardia — monitor blood glucose carefully.
- Antiarrhythmics (amiodarone, flecainide): increased risk of bradycardia and conduction abnormalities.
Storage Information
- Store below 25°C, protect from moisture and heat.
- Keep in original packaging and out of reach of children.
- Other Metoprolol XL brands available at Medionix Pharma include Gudpres XL, Metocard XL, Prolomet XL, Seloken XL, and Starpress XL — all containing Metoprolol Succinate extended-release.
Frequently Asked Questions
Q1: What is Metzok Metoprolol 100mg used for?
Metzok 100mg is a higher dose for patients requiring stronger beta-blockade for hypertension, chronic stable angina, chronic heart failure (HF-rEF), post-MI cardiac protection, and heart rate control in atrial fibrillation.
Q2: Why is 100mg only reached by titration?
Beta-blockers must be increased gradually to allow haemodynamic adaptation. Starting at 100mg without prior dose escalation can cause severe bradycardia, hypotension, or worsening heart failure.
Q3: How does Metoprolol Succinate 100mg work?
Metoprolol blocks beta-1 adrenergic receptors in the heart, reducing heart rate, myocardial contractility, and blood pressure. The sustained-release formulation maintains stable drug levels for 24-hour coverage.
Q4: Can I crush or break Metzok 100mg tablets?
No. Metzok is a sustained-release tablet. Crushing or breaking destroys the controlled-release mechanism. Swallow the tablet whole with water.
Q5: Can I stop Metzok 100mg suddenly?
Absolutely not. Abrupt withdrawal at 100mg can cause severe rebound angina, myocardial infarction, or dangerous hypertension. Taper very gradually over 2 to 4 weeks under close medical supervision.
Q6: What are the common side effects at 100mg?
At 100mg, bradycardia, fatigue, cold extremities, dizziness, depression, and sleep disturbances are more likely than at lower doses. Report a resting heart rate below 55 bpm to your doctor.
Q7: Is Metzok 100mg safe for patients with asthma or COPD?
Extra caution is needed at this dose. Cardioselectivity is less pronounced at higher doses, increasing the risk of bronchospasm. Discuss the benefit-risk balance carefully with your doctor.
Q8: Does Metzok 100mg mask hypoglycaemia?
Yes. Metoprolol masks the rapid heartbeat that signals low blood sugar in insulin-dependent diabetics. Sweating is still present as a warning sign. Frequent blood glucose monitoring is essential.
Q9: What medicines should I avoid with Metzok 100mg?
Avoid verapamil and diltiazem (serious bradycardia and heart block risk). Digoxin combined with Metoprolol further slows conduction. Inform your doctor of all medicines including antiarrhythmics.
Q10: What should I monitor on Metzok 100mg?
Monitor resting heart rate regularly. If below 55 bpm consistently, contact your doctor immediately. Watch for worsening heart failure symptoms: breathlessness, sudden weight gain, or swelling.
Q11: Can Metzok 100mg be combined with other medicines?
Yes. It is frequently combined with amlodipine, ARBs, or ACE inhibitors. Do not combine with verapamil or diltiazem without specific medical guidance.
Q12: How should I store Metzok Metoprolol 100mg?
Store below 25°C in a cool, dry place protected from moisture and heat. Keep in original packaging and out of reach of children.
Customer Reviews
Metro Hospital Pharmacy
UK · 2 weeks ago
“Reliable supplier. Product met all our quality standards. Great communication throughout the entire procurement process.”
Global Meds Supply
Germany · 6 weeks ago
“Ordering from Medionix for several months now. Consistent pharmaceutical quality and professional service every time.”
Thomas B.
Australia · 4 months ago
“Legitimate pharmaceutical supplier. Packaging intact, expiry dates clearly printed, batch numbers traceable. Very satisfied.”
Robert Chen
Canada · 1 month ago
“Very satisfied with the order. Packaging was secure and delivery was on time. Quality matches the description perfectly.”
Dr. Emily Parker
UK · 2 months ago
“Impressed with the professionalism. Certificate of Analysis provided on request. Will be placing repeat orders for our clinic.”
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Disclaimer
The information provided on Medionix Pharma is intended for general informational purposes only. It should not be considered as medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before using any medication or starting any treatment.
Medionix Pharma does not encourage self-medication. Customers are responsible for ensuring that purchases comply with local laws and prescription requirements in their country. If you have any questions or concerns regarding the content on our website, please contact us at sales@medionixpharma.com.