Normaten 100mg Tablet
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Prescription Required
Overview
Normaten 100mg Tablet is a prescription-only medicine (POM) presented as a tablet, with Atenolol 100mg as its active ingredient content.
This page is limited to product, safety and handling information, in line with Malaysian rules on prescription medicine information for the public. Your prescriber or pharmacist is the right source for anything beyond that, together with the leaflet inside the pack.
Through DoctorOnCall, this product is supplied after an online consultation with a licensed doctor and a valid prescription, and it is checked by a registered pharmacist before dispensing. Take it exactly as prescribed, and speak to your doctor before stopping, changing the dose, or starting any other medicine alongside it.
Directions for Use
Take Normaten exactly as prescribed by your doctor, usually once daily, at approximately the same time each day, with or without food. Do not stop taking this medicine suddenly, as abruptly discontinuing a beta-blocker after regular use can cause a rebound increase in heart rate, blood pressure, or angina symptoms; any dose reduction must be tapered gradually under medical supervision.
Dosage
The dosage is individualised by the prescribing doctor based on the condition being treated, blood pressure and heart rate response, and kidney function, as atenolol is cleared by the kidneys and may require dose adjustment in patients with renal impairment. Regular monitoring of heart rate and blood pressure is recommended, and only your doctor should adjust the dose.
Shelf Life
Normaten tablets are typically stable for up to 24 to 36 months from the date of manufacture when stored unopened in original packaging; always check the expiry date printed on the blister or carton before use.
Storage Instructions
Store below 30°C in a dry place away from direct sunlight and moisture, and keep out of reach of children. Keep the tablets in their original packaging until ready for use.
Side Effects
- Dizziness or lightheadedness
- Tiredness or fatigue
- Cold hands and feet
- Slower heart rate
- Nausea
- Shortness of breath in some cases
Contraindications
- Known hypersensitivity to atenolol or other beta-blockers
- Severe bradycardia (very slow heart rate) or sick sinus syndrome, unless a pacemaker is fitted
- Second- or third-degree heart block, unless a pacemaker is fitted
- Cardiogenic shock or severe, uncontrolled heart failure
- Severe asthma or a history of bronchospasm, as beta-blockers can worsen airway narrowing
- Untreated phaeochromocytoma
Drug / Food Interactions
- Other rate-limiting medicines, such as verapamil or diltiazem, can cause severe bradycardia or heart block when combined with atenolol
- Clonidine withdrawal reactions may be intensified if atenolol is stopped before clonidine is tapered — the sequence of stopping both medicines should be guided by your doctor
- Insulin and oral diabetes medicines may have their effects altered, and atenolol can mask the warning signs of low blood sugar (hypoglycaemia), such as a racing heart
- NSAIDs taken regularly may reduce the blood-pressure-lowering effect of atenolol
- Other antihypertensive medicines may have an additive blood-pressure-lowering effect
Quick Tips
- Never stop taking Normaten suddenly; any dose reduction must be tapered gradually under your doctor’s guidance to avoid rebound angina or high blood pressure
- Check your pulse periodically if advised by your doctor, and report a very slow or irregular heartbeat
- If you have diabetes, monitor your blood sugar closely, as atenolol can mask typical warning signs of hypoglycaemia
- Tell your doctor if you have asthma or breathing difficulties before starting this medicine
- Attend all scheduled follow-up appointments so your doctor can monitor heart rate, blood pressure, and overall response
Frequently Asked Questions
Is Normaten 100mg Tablet a prescription medicine?
Yes. Normaten 100mg Tablet is a prescription-only medicine (POM). It can only be supplied against a valid prescription written by a registered doctor, and it should be used only by the person named on the prescription label.
What does Normaten 100mg Tablet contain?
Normaten 100mg Tablet is supplied as a tablet and contains Atenolol 100mg. The full composition is listed in the Composition section on this page and on the product packaging.
Why is there no information here about what Normaten 100mg Tablet is for?
Malaysian rules for prescription medicines limit public product pages to product, safety and handling information. Your doctor decides whether this medicine is appropriate for you and will explain it during your consultation, and your pharmacist can answer further questions when the medicine is dispensed.
How should I take Normaten 100mg Tablet?
Follow your doctor’s instructions and the directions on the dispensing label without changing them. If anything on the label is unclear, check with your pharmacist before taking the first dose, and read the Directions for Use section on this page.
What should I do if I miss a dose?
Take it as soon as you remember, unless your next dose is nearly due. In that case skip the missed dose and carry on with your usual schedule. Never take two doses together to make up for a missed one. If you miss doses often, tell your doctor or pharmacist.
How should I store Normaten 100mg Tablet?
Store below 30°C in a dry place away from direct sunlight and moisture, and keep out of reach of children. Keep the tablets in their original packaging until ready for use. Keep it in the original pack until use, and do not use it after the expiry date printed on the packaging.
What should I do if I notice side effects?
Tell your doctor or pharmacist about any reaction that concerns you, and seek medical care immediately for signs of a severe reaction such as difficulty breathing, swelling of the face, lips or throat, or a widespread rash. Reported reactions are listed in the Side Effects section on this page.
Can I stop taking Normaten 100mg Tablet on my own?
No. Speak to your doctor before stopping, pausing or changing the dose, even if you feel well or think you no longer need the medicine.
How do I get a prescription for Normaten 100mg Tablet?
Customers in Malaysia can complete an online consultation with a DoctorOnCall doctor, who decides whether a prescription is appropriate, or upload a valid prescription already issued by their own doctor.
Orders going to Singapore are dispatched from Malaysia as an international delivery, so you need to hold a valid prescription or doctor’s letter for the medicine. Check the consultation and prescription upload options shown at checkout for your delivery address before placing the order.
How long will delivery take?
Within Malaysia, standard delivery takes 3 to 5 working days. Same-day delivery is available in the Klang Valley for orders placed before 12pm; orders placed after 12pm arrive by the end of the next day.
Orders to Singapore are sent as international deliveries and take 5 to 9 working days. A lump-sum shipping and handling fee applies to every overseas delivery and is shown at checkout.
What payment methods can I use?
Customers in Malaysia can pay by FPX online banking, credit or debit card (Visa and Mastercard), and supported e-wallets including Touch ‘n Go eWallet, GrabPay and ShopeePay.
FPX and local e-wallets are tied to Malaysian bank and wallet accounts, so if your delivery address is in Singapore, use the payment options displayed at checkout for that address rather than assuming the same list applies.
Can Normaten 100mg Tablet be delivered to Singapore?
Yes. DoctorOnCall ships to Singapore as an international order dispatched from Malaysia, arriving in 5 to 9 working days with a lump-sum shipping and handling fee.
Singapore’s Health Sciences Authority (HSA) allows personal imports of up to three months’ supply of a medicine for your own use or an immediate family member’s, as long as it contains no controlled drugs, psychotropic substances or prohibited items. Keep the product in its original labelled packaging and keep a copy of your prescription or doctor’s letter with it. Quantities above three months’ supply, and medicines containing controlled substances, require prior HSA approval.
Is Normaten 100mg Tablet registered with the authorities?
Products listed on DoctorOnCall are registered with Malaysia’s Ministry of Health for supply in Malaysia, and each pack carries its MAL registration number.
An order delivered to Singapore arrives as a personal import of a Malaysia-registered product; HSA product registration is not required for personal-use quantities, but it is also not the same as a product registered for sale in Singapore. If you need a locally registered Singapore product, buy it from a pharmacy in Singapore.
Who do I contact if there is a problem with my order?
DoctorOnCall’s customer care team handles order, delivery and product queries through the contact channels on the site, including WhatsApp and the online help centre.
For deliveries to Singapore, allow more time before chasing an order than you would for a local Malaysian delivery, as the parcel passes through customs clearance and tracking updates can appear later in the journey.
Ingredients / Active Ingredients
- Atenolol 100mg — cardioselective beta-1 adrenergic receptor blocker
- Standard tablet excipients
- Atenolol 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
Use cautiously. Dose adjustment or monitoring may be required.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
Caution is advised when consuming alcohol with this medicine.
Driving
Use caution while driving until you know how this medicine affects you.
Relevant Information
Normaten is an established beta-blocker option for hypertension, angina, and certain arrhythmias, but because it directly affects heart rate and can interact with respiratory conditions such as asthma, it is dispensed strictly under a confirmed doctor’s prescription, as reflected in DoctorOnCall’s own ‘Prescription Required’ listing for this product. Patients should never stop or adjust this medicine independently, given the well-documented rebound risks of abrupt beta-blocker withdrawal.
