Betaloc ZOK is a high-precision cardiovascular medication containing Metoprolol Succinate. Unlike standard Metoprolol, the "ZOK" (Zero-Order Kinetics) formulation uses a specialized controlled-release technology. The tablet consists of hundreds of membrane-coated pellets that release the medicine at a constant, steady rate over a full 24 hours. This prevents the "peaks and troughs" in blood pressure and heart rate often seen with immediate-release tablets.
Product Type: Selective Beta-1 Blocker (Cardioselective)
Active Ingredient: Metoprolol Succinate ($25mg$)
Manufacturer: AstraZeneca (Original Brand)
Pack Size: 28 or 30 Tablets
Route: Oral
Availability: Strictly Prescription Required (POM) — Pharmacist consultation mandatory
Suitable For: Adults with Hypertension, Angina, or Heart Failure
Betaloc ZOK is a versatile "heart-shielding" medication indicated for several critical conditions:
Hypertension (High Blood Pressure): Lowering blood pressure to reduce the risk of stroke and heart attack.
Angina Pectoris: Reducing the workload on the heart to prevent chest pain during physical activity.
Chronic Heart Failure: Specifically proven to increase survival rates and reduce hospitalizations when used alongside other heart failure meds.
Arrhythmias: Controlling a fast or irregular heartbeat (such as Atrial Fibrillation).
Migraine Prophylaxis: Often prescribed to reduce the frequency and severity of chronic migraine attacks.
Post-Heart Attack Recovery: Protecting the heart muscle from further stress after a myocardial infarction.
Do Not Stop Abruptly: Never stop taking Betaloc ZOK suddenly. Doing so can cause a "rebound" effect, leading to severe chest pain, heart attack, or dangerous spikes in blood pressure. If you need to stop, your doctor will slowly taper your dose over 1–2 weeks. Asthma/COPD: While "cardioselective," high doses can still affect the lungs. Inform our pharmacist if you have severe asthma. Diabetes: Beta-blockers can "mask" the symptoms of low blood sugar (hypoglycemia), such as a racing heart. You must monitor your sugar levels more closely.
The standard starting dose is usually one $25mg$ tablet once daily.
Application Tips:
Timing: Take your tablet in the morning with a glass of water.
Do Not Chew: You may break the tablet in half (along the score line) if necessary, but you must not crush or chew it. Crushing destroys the "ZOK" membrane and releases 24 hours of medicine all at once.
Consistency: It can be taken with or without food, but try to take it the same way every day to ensure stable absorption.
Dizziness: If you feel dizzy when you first start, avoid driving or operating machinery until you know how the medicine affects you.
Common side effects include fatigue, cold hands/feet, a slower heart rate (bradycardia), and dizziness when standing up quickly. Some patients may experience vivid dreams or mild digestive upset. If you notice a very slow pulse (under 50 bpm), extreme shortness of breath, or swelling in your ankles, contact your cardiologist immediately.
Store in a cool, dry place below $30^{\circ}\text{C}$, away from direct sunlight. Keep the tablets in their original blister pack. Keep out of reach of children.
Q: Why is it called "ZOK"?
A: It stands for Zero-Order Kinetics, which is a medical term meaning the medicine is released into your blood at a perfectly steady rate for 24 hours, regardless of how much is left in the tablet.
Q: Can I take it at night?
A: Most doctors recommend morning dosing to cover the natural blood pressure "spike" that occurs when you wake up. However, follow your doctor's specific instructions.
Q: Will it affect my "Stamina" or Libido?
A: Some men experience sexual side effects with beta-blockers. If this occurs, do not stop the medication; speak with our pharmacist about alternative options or management strategies.
Q: How is it different from "Metoprolol Tartrate"?
A: Metoprolol Tartrate is immediate-release and usually taken twice daily. Metoprolol Succinate (Betaloc ZOK) is extended-release and only needs to be taken once daily.
Betaloc ZOK 25mg (by AstraZeneca) is available at Sanlive Pharmacy with a valid prescription. We ensure 100% authenticity of our global cardiovascular stocks and provide professional counseling on heart rate monitoring while on this therapy.
Authentic AstraZeneca (Original Brand) stock.
Expert guidance on managing blood pressure and heart rate.
Licensed pharmacists available for clinical drug-interaction checks.
Fast, reliable delivery nationwide across Nigeria.
Order Betaloc ZOK from Sanlive Pharmacy today for professional-grade heart protection and 24-hour peace of mind.
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