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Zebeta

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Zebeta is a beta-blocker used for managing high blood pressure. It helps reduce the workload on the heart. Do not discontinue its use abruptly without consulting your doctor, as this may lead to cardiac complications.


Ingredient
Availability
In Stock
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Bisoprolol
Reference Brand
Zebeta
Original Manufacturer
Lannett
Product Form
Tablet
Regulatory Classification
Rx
Primary Category
Heart & Blood Pressure
Product Category
Beta-Blocker
Pharmacological Class
Selective Beta-1 Blocker
Clinical Indications
Hypertension
Manufacturer Description
Zebeta is a beta-blocker used for managing high blood pressure. It helps reduce the workload on the heart. Do not discontinue its use abruptly without consulting your doctor, as this may lead to cardiac complications.
Mechanism of Action
Bisoprolol blocks the action of adrenaline on the heart's beta-receptors, which slows the heart rate and lowers blood pressure.
Route of Administration
Oral
Onset Time
1–2 hours
Duration
24 hours
Contraindications
Bradycardia, Severe asthma, Heart block
Severe Adverse Events
Heart failure worsening, Bronchospasm
Common Side Effects
Fatigue, Cold hands
Uncommon Side Effects
Dizziness, Slow heart rate
Drug Interactions
Verapamil, Diltiazem, Amiodarone
Pregnancy Safety Warnings
Consult your doctor if pregnant or breastfeeding.
Storage Guidelines
Store at room temperature.
Related Products
Atenolol, Metoprolol

Zebeta FAQ

What makes Zebeta different from other beta-blockers?

Zebeta contains bisoprolol, which is highly selective for β1 receptors. This selectivity reduces the likelihood of bronchospasm compared with non-selective beta-blockers such as propranolol, making it a preferred option for patients with mild respiratory disease.

Can I take Zebeta with my blood pressure tablet?

Yes, Zebeta is often combined with other antihypertensives (e.g., ACE inhibitors or thiazide diuretics) to achieve target blood pressure. However, dose adjustments may be required, and your clinician should monitor for excessive blood-pressure lowering.

How long does it take for Zebeta to lower my blood pressure?

Blood-pressure reduction can begin within a few days, but the full effect is usually observed after 2-4 weeks of consistent dosing, especially when the dose is titrated to 10 mg.

Is Zebeta safe for people with diabetes?

Bisoprolol does not affect blood-glucose control directly, but it can mask typical hypoglycaemia symptoms such as rapid heartbeat. Diabetic patients should monitor glucose levels closely and discuss any concerns with their doctor.

What should I do if I miss a dose while traveling across time zones?

Take the missed tablet as soon as you remember unless it is close to the time of your next scheduled dose. Do not double-dose. Adjust the timing gradually to align with the new local schedule, and keep a consistent 24-hour interval thereafter.

Can I crush or split a Zebeta tablet?

Zebeta tablets are designed for whole-tablet intake. Crushing or splitting may affect drug absorption and should be avoided unless your prescriber explicitly advises otherwise.

Will Zebeta appear on a drug test for athletes?

Bisoprolol is a beta-blocker and is listed as a prohibited substance by many sports governing bodies (e.g., WADA). Athletes subject to testing should disclose its use and obtain a therapeutic use exemption if required.

Is there a generic version of Zebeta available in Hong Kong?

Yes, bisoprolol tablets are marketed under various generic names. They contain the same active ingredient and are bioequivalent, though the brand name “Zebeta” may be preferred in some clinical settings.

How does Zebeta interact with common cold medicines?

Many over-the-counter cold remedies contain decongestants such as pseudoephedrine, which can increase heart rate and counteract beta-blockade. Use these products cautiously and discuss alternatives with a pharmacist.

What is the shelf life of Zebeta tablets?

The typical expiration period is 24 months from the date of manufacture when stored at room temperature. Always check the expiry date on the packaging and do not use the medication past that point.

What is Zebeta?

Zebeta is a prescription pill that contains bisoprolol as its sole active ingredient. Bisoprolol belongs to the beta-blocker class of medicines and is used to manage conditions that involve the heart and blood pressure. In Hong Kong, Zebeta is regulated by the Department of Health and is available in 5 mg and 10 mg tablets.

How Zebeta Works in the Body

Bisoprolol is a β1-selective adrenergic blocker. It binds preferentially to β1 receptors located mainly in the heart, reducing the effects of adrenaline and noradrenaline. The result is:

  • Decreased heart rate (negative chronotropy)
  • Reduced force of contraction (negative inotropy)
  • Lowered cardiac output, which helps to drop blood pressure

Because the drug targets β1 receptors specifically, it has less impact on β2 receptors found in the lungs, making it relatively safer for patients with mild respiratory conditions. The onset of action occurs within 2 hours after oral intake, with peak plasma concentrations reached at about 4 hours. Its half-life is roughly 10-12 hours, allowing once-daily dosing.

Conditions Treated by Zebeta

Zebeta is FDA- and EMA-approved for the following indications, which are also recognized by Hong Kong health authorities:

  • Hypertension (high blood pressure) - helps lower systolic and diastolic values.
  • Chronic heart failure (NYHA class II-III) - improves symptoms and reduces hospitalisation risk when added to standard therapy.
  • Stable angina pectoris - decreases the frequency of chest pain episodes by lowering myocardial oxygen demand.

These uses are supported by large randomized controlled trials and are incorporated into local clinical guidelines for cardiovascular disease management.

Patient Suitability and Contraindications

Who Should Use Zebeta?

  • Adults with diagnosed hypertension, chronic heart failure, or stable angina who need a β1-selective blocker.
  • Patients who can take oral medication and have stable kidney or liver function.

Absolute Contraindications

  • Known hypersensitivity to bisoprolol or any excipients in the tablet.
  • Severe bradycardia (resting heart rate < 45 bpm).
  • Second- or third-degree atrioventricular (AV) block without a pacemaker.
  • Decompensated heart failure (pulmonary edema, cardiogenic shock).
  • Severe asthma or chronic obstructive pulmonary disease with recent exacerbations.

Relative Contraindications

  • Moderate hepatic impairment (dose adjustment may be needed).
  • Renal impairment (CrCl < 30 mL/min) - monitor and consider lower dose.
  • Diabetes mellitus (beta-blockers may mask hypoglycaemia symptoms).
  • Pregnancy (Category C) and lactation - only if the benefit outweighs the risk.

Safety Profile: Side Effects and Interactions

Common Side Effects

  • Fatigue or mild dizziness (often during dose initiation).
  • Cold extremities (hands and feet).
  • Slight reduction in exercise tolerance.

These effects are usually transient and improve as the body adapts to the medication.

Serious Adverse Events

  • Bradycardia (heart rate < 50 bpm) - may cause fainting.
  • Hypotension - marked drop in blood pressure leading to falls.
  • Heart block - especially in patients with pre-existing conduction abnormalities.
  • Bronchospasm - rare but possible in patients with reactive airway disease.

If any of these occur, seek medical attention promptly.

Drug Interactions

  • Calcium channel blockers (e.g., verapamil, diltiazem) - can amplify bradycardia and AV-block risk.
  • Other antihypertensives (ACE inhibitors, diuretics) - may cause additive blood-pressure lowering.
  • Antidiabetic agents - beta-blockers can mask hypoglycaemia signs; monitor glucose closely.
  • Non-steroidal anti-inflammatory drugs (NSAIDs) - may reduce antihypertensive effect.

Because interaction data for Zebeta specifically are limited, always inform your clinician of all medicines, supplements, and herbal products you are taking.

Food and Lifestyle Interactions

  • Alcohol - may increase the risk of low blood pressure and dizziness.
  • High-potassium foods - generally safe, but monitor if you are on potassium-sparing diuretics.
  • Driving or operating machinery - avoid until you know how Zebeta affects you, especially after the first few doses.

How to Take Zebeta

  • Standard dosing:

  • Hypertension: Start with 5 mg once daily. If blood pressure remains above target after 2-4 weeks, the dose may be increased to 10 mg once daily.

  • Heart failure: Begin with 5 mg once daily; titrate to 10 mg as tolerated, based on clinical response and heart rate.

  • Administration: Swallow the tablet whole with a glass of water. It may be taken with or without food.

  • Missed dose: Take the missed tablet as soon as you remember unless it is near the time of the next scheduled dose. Do not double the dose.

  • Overdose: Symptoms may include severe bradycardia, hypotension, and fainting. Seek emergency medical care; intravenous glucagon is an antidote in severe cases.

  • Discontinuation: Do not stop abruptly, especially if used for heart failure. Your doctor will advise a gradual taper to prevent rebound tachycardia or hypertension.

Monitoring and Follow-Up

  • Blood pressure: Check at baseline, then after 2 weeks of therapy, and periodically thereafter.
  • Heart rate: Aim for resting rate of 50-60 bpm; adjust dose if consistently lower.
  • Renal and hepatic function: Baseline labs and repeat if you have existing impairment or if dose changes occur.
  • Heart failure patients: Echocardiography and BNP/NT-proBNP may be monitored according to guideline schedules.

Regular follow-up appointments are essential to ensure optimal blood-pressure control and to watch for adverse effects.

Storage and Handling

  • Keep tablets at room temperature (15-30 °C), away from moisture and direct sunlight.
  • Store in the original container with the safety cap intact.
  • Discard any tablets that are discolored, cracked, or past the expiration date.
  • Safely dispose of unused medication through a pharmacy take-back program or according to local waste-disposal regulations.

Medication-Specific Glossary

  • β1-Selective Blocker: A drug that preferentially blocks β1-adrenergic receptors in the heart, reducing heart rate and contractility while sparing β2 receptors in the lungs.
  • Negative Chronotropy: The ability of a medication to slow the heart’s intrinsic pacing, leading to a lower resting heart rate.
  • Negative Inotropy: Reduction in the force of cardiac muscle contraction, decreasing cardiac output and blood pressure.
  • Therapeutic Window: The dosage range in which a drug provides clinical benefit without unacceptable side effects.
  • AV Block: A delay or interruption in the electrical conduction between the atria and ventricles, which can be exacerbated by beta-blockers.
  • Rebound Hypertension: A rapid increase in blood pressure that can occur when a beta-blocker is stopped suddenly.

Medical Disclaimer

This article provides educational information about Zebeta and is not a substitute for professional medical advice. Treatment decisions, including use for unapproved indications, must be made under the guidance of a qualified healthcare provider. The content is intended for informational purposes and does not constitute medical recommendations. Always consult a physician before starting, stopping, or changing any medication regimen.

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