Betaloc 50

BETALOC 50, manufactured by AstraZeneca Pharma India Ltd, is a beta-blocker medication used to manage various cardiovascular conditions.

Name

• Common Name: Metoprolol (as Metoprolol Tartrate)
• Brand Name: BETALOC 50

Composition

Each BETALOC 50 tablet contains 50 mg of Metoprolol Tartrate as the active ingredient. Inactive ingredients may include lactose monohydrate, microcrystalline cellulose, colloidal anhydrous silica, sodium starch glycollate, povidone, and magnesium stearate.

Uses

BETALOC 50 is prescribed for a range of conditions, including:

• High Blood Pressure (Hypertension): It helps to lower blood pressure, reducing the risk of stroke, heart attack, and other cardiovascular problems.
• Angina Pectoris: Used to prevent and reduce the frequency and severity of chest pain related to the heart.
• Cardiac Arrhythmias: Effective in treating various types of irregular heart rhythms, such as supraventricular tachycardia, atrial fibrillation, and ventricular extrasystoles.
• Maintenance Treatment After Myocardial Infarction: Helps to reduce the risk of death and reinfarction following a heart attack.
• Functional Heart Disorders with Palpitations: Manages symptoms like palpitations associated with functional heart issues.
• Migraine Prophylaxis: Used to prevent migraine headaches.
• Hyperthyroidism: Helps reduce the clinical manifestations of an overactive thyroid gland.

Dosage and Administration

The dosage of BETALOC 50 depends on the condition being treated and should always be determined by a doctor.

• Hypertension: Typical starting doses range from 50 mg to 100 mg once daily, which may be increased to 50 mg or 100 mg once or twice daily.
• Angina Pectoris: Recommended doses are usually 100 mg to 200 mg per day, divided into two doses.
• Arrhythmias: Generally 100 mg to 200 mg daily, divided into morning and evening doses.
• Post-Myocardial Infarction: Long-term treatment often involves 200 mg daily, divided into two doses.
• Tablets can be taken with or immediately after meals. Do not stop taking the medicine suddenly, as this can worsen the condition; the dose should be gradually reduced over one to two weeks under medical supervision.

Side Effects

Common side effects may include:

• Dizziness, fatigue, headache
• Slow heart rate (bradycardia), low blood pressure (hypotension)
• Cold hands and feet, palpitations
• Nausea, abdominal pain, diarrhea, constipation
• Shortness of breath on exertion

Serious side effects are rare but can include severe arrhythmias or a sudden drop in blood pressure.

Precautions

• Abrupt Discontinuation: Do not stop BETALOC 50 suddenly, especially in patients with angina or ischemic heart disease, as it can lead to severe cardiac events.
• Asthma/COPD: Use with caution in patients with respiratory conditions; contraindicated in severe asthma or uncontrolled COPD.
• Diabetes: Can mask symptoms of low blood sugar (hypoglycemia), requiring regular blood sugar monitoring.
• Heart Conditions: Contraindicated in uncontrolled heart failure, cardiogenic shock, second or third-degree AV block, and severe bradycardia.
• Liver Disease: Use with caution in patients with liver impairment; dose adjustment may be necessary in severe cases.
• Pregnancy and Breastfeeding: Generally not recommended during pregnancy or breastfeeding unless considered essential by a doctor, as it may affect the fetus or breastfed infant.
• Interactions: Avoid co-administration with certain medications like Fingolimod, Diltiazem, Verapamil, and other beta-blockers, as it can lead to adverse effects.
• Lactose Intolerance: Contains lactose, so patients with rare hereditary conditions like Lapp lactase deficiency, galactose intolerance, or glucose-galactose malabsorption should not use it.
• Driving/Operating Machinery: May cause dizziness or fatigue; exercise caution when driving or operating machinery.

Storage

Store BETALOC 50 tablets below 30°C in a cool, dry place. Protect from moisture, heat, and direct sunlight. Keep out of the sight and reach of children.

Betaloc 50, manufactured by AstraZeneca Pharma India Ltd, contains metoprolol tartrate as its active ingredient. It belongs to a class of medicines known as beta-blockers and is primarily used to manage various cardiovascular conditions.

Here are some frequently asked questions about Betaloc 50:

What is Betaloc 50 used for?

Betaloc 50 is prescribed for several conditions, including:

• High blood pressure (hypertension): It helps lower blood pressure and reduce the risk of stroke, heart attack, and other heart or kidney problems.
• Angina pectoris (chest pain): It helps prevent and reduce the frequency and severity of chest pain.
• Irregular heart rhythms (arrhythmias): It is used to treat disturbances of cardiac rhythm, such as supraventricular tachycardia, ventricular tachycardia, atrial fibrillation, and atrial flutter.
• Maintenance treatment after a heart attack (myocardial infarction): It helps improve heart function and reduce the risk of further heart events.
• Migraine prophylaxis: It can help prevent migraine headaches.
• Functional heart disorders with palpitations: It addresses palpitations associated with non-organic heart issues.
• Thyrotoxicosis: It can relieve symptoms caused by an overactive thyroid gland.

How does Betaloc 50 work?

Betaloc 50 (metoprolol tartrate) is a cardioselective beta-blocker. It works by blocking beta-1 adrenergic receptors primarily in the heart. This action slows down the heart rate and reduces the force with which the heart pumps blood. As a result, it lowers blood pressure, decreases the heart's demand for oxygen and blood, and helps the heart beat more regularly. It can also help relax blood vessels.

What is the usual dosage for Betaloc 50?

The dosage of Betaloc 50 varies depending on the medical condition being treated and individual patient response, and should always be determined by a doctor. For high blood pressure, a common starting dose is 50 mg or 100 mg once daily for a week, which may then be increased to 50 mg or 100 mg once or twice daily, or 100-200 mg once daily. For angina pectoris and arrhythmias, typical doses range from 100 mg to 200 mg daily, usually divided into two doses (morning and evening).

Betaloc tablets should be swallowed whole with a glass of fluid and can be taken with or without food, but it is best to take it consistently at the same time each day. The 50 mg tablets are scored to facilitate swallowing only and not to divide the tablet into equal doses.

What are the possible side effects of Betaloc 50?

Common side effects can include dizziness, fatigue, headache, a slow heartbeat (bradycardia), low blood pressure (hypotension), cold hands and feet, shortness of breath on exertion, nausea, abdominal pain, diarrhea, and constipation. These are usually mild and temporary. If side effects persist or worsen, consult your doctor. Betaloc 50 can also mask symptoms of low blood sugar in diabetic patients.

Is Betaloc 50 safe during pregnancy or breastfeeding?

Pregnancy: Betaloc 50 is generally not recommended during pregnancy unless your doctor determines that the potential benefits outweigh the risks. It has been associated with reduced fetal growth and, if used late in pregnancy, may cause symptoms in the baby such as a slowed heart rate and low blood sugar. Always discuss your medication use with your healthcare provider if you are pregnant or planning to become pregnant.

Breastfeeding: The active ingredient, metoprolol, passes into breast milk in small amounts. Therefore, Betaloc 50 is generally not recommended or should be used with caution during breastfeeding, as there is a possibility it could affect the breastfed infant, potentially causing a slow heart rate, unusual sleepiness, or feeding difficulties. Consult your doctor before taking this medicine while breastfeeding.

Can Betaloc 50 be taken with other medications?

Betaloc 50 can interact with other medications. It is crucial to inform your doctor about all prescription and over-the-counter medicines, herbal products, and supplements you are currently taking. Combinations with certain calcium channel blockers (e.g., verapamil, diltiazem) and some antiarrhythmic agents (e.g., disopyramide, amiodarone) should generally be avoided or used with extreme caution due to potential additive effects on heart rate and conduction. Medications that inhibit CYP2D6 enzymes (like quinidine, paroxetine) can increase metoprolol levels, while certain drugs like barbiturates and rifampicin can decrease its effectiveness. If you have diabetes, your antidiabetic medication dosage may need adjustment. Alcohol consumption is not recommended with Betaloc 50 as it can increase dizziness and drowsiness and potentiate the blood pressure-lowering effect.

What precautions should be taken while using Betaloc 50?

• Do not stop suddenly: Never stop taking Betaloc 50 abruptly, especially if you have heart disease, as this can worsen your condition and increase the risk of a heart attack or severe arrhythmias. Your doctor will advise you on gradually reducing the dose over 7 to 14 days if discontinuation is necessary.
• Medical Conditions: Inform your doctor if you have asthma, chronic obstructive pulmonary disease (COPD), severe heart failure, a very slow heartbeat (bradycardia), certain types of heart block (second or third-degree), low blood pressure, severe circulation problems, untreated pheochromocytoma, or diabetes.
• Dizziness and driving: Betaloc 50 may cause dizziness or tiredness. Exercise caution when driving or operating machinery until you know how the medicine affects you. Getting up slowly from a sitting or lying position can help reduce dizziness.
• Diabetes management: If you have diabetes, monitor your blood sugar levels regularly, as Betaloc 50 can mask symptoms of low blood sugar.
• Surgery: Inform your doctor or anaesthetist that you are taking Betaloc 50 if you are scheduled for surgery.

What happens if a dose of Betaloc 50 is missed?

If you miss a dose of Betaloc 50, take it as soon as you remember. However, if it is almost time for your next scheduled dose (e.g., 12 or more hours for a once-daily medication), skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one.

How should Betaloc 50 be stored?

Betaloc 50 tablets should be stored in a cool, dry place, typically below 30°C. Keep the tablets in their original blister pack until it's time to take them and always keep them out of the sight and reach of children.