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Betaloc Zok (100mg) Tablets contain Metoprolol Succinate, a beta-blocker used to treat high blood pressure (hypertension), angina (chest pain), and heart failure.
The Zok (extended-release) formulation provides 24-hour control, ensuring steady blood pressure and heart rate throughout the day with just one dose.
By reducing heart strain and controlling pulse rate, Betaloc Zok helps prevent heart attacks, strokes, and long-term cardiovascular damage.
Active Ingredient: Metoprolol Succinate 100mg (extended-release)
Inactive Ingredients:
Microcrystalline cellulose
Ethylcellulose
Hypromellose
Magnesium stearate
Lactose monohydrate
Therapeutic Class: Beta-blocker (Cardioselective)
Pharmacological Class: Beta-1 adrenergic receptor blocker
Form: Extended-Release Tablet
Strength: 100mg
Pack Size: 30 Tablets
Betaloc Zok is commonly prescribed for:
Hypertension (High Blood Pressure)
Angina Pectoris (Chest Pain)
Heart Failure (Chronic, Stable)
Irregular heart rhythms (arrhythmias)
Prevention of heart attacks (secondary prophylaxis)
Relief from rapid heart rate (tachycardia)
Usual Adult Dose:
1 tablet (100mg) once daily, preferably in the morning.
The dosage may vary based on medical condition, response, and physician’s advice.
Swallow whole with water; do not crush or chew the tablet.
Symptoms may include:
Very slow heart rate (bradycardia)
Low blood pressure (hypotension)
Shortness of breath
Fainting or dizziness
Seizures (in severe cases)
Action:
Seek immediate medical help or visit the nearest emergency department.
Take the missed dose as soon as you remember.
If it’s almost time for the next one, skip the missed dose.
Do not double the dose.
Take orally with water, once daily, with or after food.
Try to take it at the same time each day.
Continue taking even if you feel well — hypertension and heart conditions may not show symptoms.
Do not stop suddenly without consulting your doctor — it may worsen chest pain or cause heart complications.
Do not use Betaloc Zok if you have:
Allergy to Metoprolol or other beta-blockers
Severe bradycardia (very slow heart rate)
Heart block or cardiogenic shock
Severe heart failure (acute)
Asthma or severe chronic obstructive pulmonary disease (COPD)
Untreated pheochromocytoma
Severe circulation disorders
Common Side Effects:
Fatigue or tiredness
Dizziness or lightheadedness
Slow heartbeat
Cold hands or feet
Upset stomach
Less Common:
Sleep disturbances or vivid dreams
Shortness of breath
Mild depression
Muscle cramps
Serious (Seek Medical Help):
Severe shortness of breath
Fainting
Swelling of ankles or feet
Irregular heartbeat
Inform your doctor if you have asthma, diabetes, thyroid issues, or kidney/liver problems.
Monitor blood pressure and heart rate regularly.
May mask symptoms of low blood sugar (hypoglycemia) in diabetic patients.
Avoid alcohol — may enhance drowsiness and lower blood pressure too much.
Use cautiously in the elderly and those with circulatory issues.
Betaloc Zok may interact with:
Calcium channel blockers (verapamil, diltiazem)
Other beta-blockers or antihypertensives
Insulin or oral antidiabetics (may mask hypoglycemia)
Antiarrhythmic drugs (amiodarone, quinidine)
Clonidine – withdrawal may cause rebound hypertension
NSAIDs – may reduce antihypertensive effect
MAO inhibitors – can increase side effects
Store below 30°C in a cool, dry place.
Protect from moisture and direct sunlight.
Keep out of reach of children and pets.
Dispose of properly after expiry; do not flush into drains.
Prescription Only (Rx)
Controlled Substance: No
Take the tablet once daily, at the same time each day.
Avoid sudden discontinuation — consult your doctor before stopping.
Rise slowly from sitting/lying position to prevent dizziness.
Continue lifestyle changes — healthy diet, exercise, and avoiding smoking/alcohol.
Regularly monitor blood pressure and heart rate.
This content is for educational and informational purposes only. Always use Betaloc Zok 100mg as directed by a licensed healthcare provider. Do not self-medicate or stop treatment abruptly without medical advice.
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