Pharmaniaga Metoprolol 100mg Tablet
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Overview
Pharmaniaga Metoprolol 100mg Tablet contains metoprolol tartrate 100mg, a cardioselective beta-blocker used to treat high blood pressure (hypertension), angina (chest pain), and certain heart rhythm disorders. It is also used after a heart attack to help protect the heart and reduce the risk of further cardiac events.
Metoprolol works by selectively blocking beta-1 receptors, found mainly in the heart, which reduces heart rate, the force of heart contraction, and the heart’s oxygen demand. This lowers blood pressure and helps prevent chest pain caused by an oxygen imbalance in the heart muscle.
How it Works
Metoprolol selectively blocks beta-1 adrenergic receptors in the heart, reducing the effects of adrenaline and noradrenaline on heart rate and contraction strength. This lowers cardiac workload and oxygen demand, helping to control blood pressure, reduce chest pain, and stabilise certain abnormal heart rhythms.
Directions for Use
Take Pharmaniaga Metoprolol 100mg Tablet with or immediately after food, at the same time(s) each day as directed by your doctor. Do not stop taking this medicine suddenly, even if you feel well, as abruptly stopping a beta-blocker can cause a rebound in heart rate, blood pressure, or chest pain, and in some cases can trigger a heart attack – your doctor will guide you on tapering the dose if treatment needs to be stopped.
Dosage
The dose of Pharmaniaga Metoprolol 100mg Tablet is individualised by your doctor depending on the condition being treated, typically starting at a lower dose (e.g. 50mg twice daily for hypertension) and adjusted based on your blood pressure and heart rate response. Your doctor will determine the appropriate dose and schedule for your specific condition.
Shelf Life
Use this product before the expiry date stated on the packaging. Do not use the medicine if the expiry date has passed.
Storage Instructions
Store below 30°C in a dry place, away from direct sunlight and out of reach of children.
Side Effects
- Dizziness or light-headedness
- Tiredness or fatigue
- Slow heartbeat
- Cold hands or feet
- Nausea
- Depression or mood changes
- Shortness of breath
Contraindications
- Known hypersensitivity to metoprolol or other beta-blockers
- Severe bradycardia, sick sinus syndrome, or second- or third-degree heart block (unless a pacemaker is fitted)
- Severe, decompensated heart failure
- Severe low blood pressure or cardiogenic shock
- Severe, poorly controlled asthma or bronchospasm
Drug / Food Interactions
- Other medicines that slow heart rate (e.g. verapamil, diltiazem, digoxin) can increase the risk of a very slow heart rate when combined
- NSAIDs (e.g. ibuprofen) may reduce the blood-pressure-lowering effect of metoprolol
- Certain antidepressants and antipsychotics may increase metoprolol blood levels by affecting its breakdown in the liver
- Clonidine interactions require caution – clonidine should not be stopped abruptly while taking a beta-blocker due to the risk of a dangerous rebound in blood pressure
Quick Tips
- Never stop this medicine suddenly without your doctor’s advice, even if you feel well
- Take with or right after food, at the same time each day
- Monitor your pulse and blood pressure periodically as advised by your doctor
- Tell your doctor if you feel unusually tired, dizzy, or notice a very slow heartbeat
- Inform any doctor or dentist that you are taking a beta-blocker before any procedure or surgery
- Rise slowly from sitting or lying down to reduce dizziness
Frequently Asked Questions
What is Pharmaniaga Metoprolol 100mg Tablet used for?
Pharmaniaga Metoprolol 100mg Tablet is used to treat high blood pressure, angina, certain abnormal heart rhythms, and to help protect the heart after a heart attack. Your doctor will confirm the specific reason it has been prescribed for you.
Why can’t I stop taking this medicine suddenly?
Stopping a beta-blocker like metoprolol abruptly can cause a rebound increase in heart rate and blood pressure, worsen angina, and in some cases trigger a heart attack. If your doctor decides to stop it, the dose will usually be reduced gradually.
Can I take this medicine if I have asthma?
Metoprolol should be used with caution in people with asthma or airway disease, as beta-blockers can potentially trigger bronchospasm, even one that is more heart-selective. Discuss your full respiratory history with your doctor before starting.
Will this medicine make me feel tired?
Fatigue and tiredness are common side effects of beta-blockers, especially when starting treatment. This often improves over time, but tell your doctor if it is severe or persistent.
What should I do if I miss a dose of Pharmaniaga Metoprolol 100mg Tablet?
Take the missed dose as soon as you remember, unless it is almost time for your next dose – in that case, skip the missed dose and continue your regular schedule. Do not double the dose.
Can I buy Pharmaniaga Metoprolol 100mg Tablet from DoctorOnCall?
Yes, Pharmaniaga Metoprolol 100mg Tablet is available through DoctorOnCall, a licensed online pharmacy serving our Malaysian and Singaporean customers. As this is a prescription medicine, you will need to complete an online consultation so a doctor can assess your suitability and issue a valid prescription before the order is processed. This ensures the medicine is appropriate for your condition and used under proper medical supervision, whether you are ordering from Malaysia or Singapore.
Is the medication provided by DoctorOnCall genuine and safe to use?
DoctorOnCall sources its medicines through appropriate licensed pharmacy supply channels for our Malaysian and Singaporean customers. All orders are dispensed and checked by a registered pharmacist before delivery. Always use Pharmaniaga Metoprolol 100mg Tablet according to your doctor’s instructions and the information provided with the product.
What payment methods does DoctorOnCall accept?
We accept payment via Online Banking, Credit Card, and e-Wallets (Boost, GrabPay) for our Malaysian and Singaporean customers, so you can choose whichever method is most convenient for you at checkout.
Does DoctorOnCall provide an installment payment plan for Pharmaniaga Metoprolol 100mg Tablet?
DoctorOnCall provides an installment payment plan for eligible Malaysian and Singaporean customers, where applicable. Available plans, eligibility, and terms can vary by market, so please contact DoctorOnCall Customer Service for the latest information on installment options for your order.
Is delivery free, and how much does shipping for Pharmaniaga Metoprolol 100mg Tablet cost?
Delivery charges may vary for our Malaysian and Singaporean customers depending on your delivery location and the applicable order terms at the time of purchase. For the most accurate and up-to-date delivery fee information, please contact DoctorOnCall Customer Service before placing your order.
How long does delivery take for Pharmaniaga Metoprolol 100mg Tablet?
Our Malaysian customers can generally expect delivery within 3-5 working days, while our Singaporean customers generally receive their orders within 5-7 working days. These are expected timeframes rather than guarantees, and actual delivery time may vary depending on your delivery location, order processing time, courier operations, and whether the order falls on a weekend or public holiday.
What is DoctorOnCall’s shipping, return, or cancellation policy for Pharmaniaga Metoprolol 100mg Tablet?
Shipping, return, and cancellation terms may vary for our Malaysian and Singaporean customers depending on the product and your order details. Please refer to DoctorOnCall’s Shipping & Delivery Policy and Return, Refund & Exchange Policy, or contact Customer Service, for the specific terms that apply to your order.
Ingredients / Active Ingredients
- Metoprolol tartrate 100mg
Safety Advice
Pregnancy
This medicine should be used cautiously during pregnancy. Monitoring may be required.
Breastfeeding
Use with caution. Monitor infant for potential adverse reactions.
Kidney
Generally safe, but caution may be required in some patients.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
It is not advisable to consume alcohol while taking this medicine.
Driving
Use caution while driving until you know how this medicine affects you.
Medical Review
