Amtas-5 5mg Tablet
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Prescription Required
Overview
Amtas-5 5mg Tablet contains amlodipine 5mg, a calcium channel blocker used to treat high blood pressure (hypertension) and to prevent chest pain (angina) caused by coronary artery disease.
Amlodipine works by relaxing and widening blood vessels, which reduces the resistance the heart has to pump against and lowers blood pressure. In angina, this widening of blood vessels also increases blood and oxygen supply to the heart muscle, reducing chest pain.
How it Works
Amlodipine blocks the influx of calcium ions through L-type calcium channels in vascular smooth muscle cells, causing the blood vessels to relax and widen (vasodilation). This reduces peripheral vascular resistance and blood pressure, and in the coronary arteries, improves blood flow to the heart muscle.
Directions for Use
Take Amtas-5 5mg Tablet once daily, at about the same time each day, with or without food. Swallow the tablet whole with water. Continue taking it regularly even if you feel well, as high blood pressure usually has no symptoms and control needs to be continuous.
Dosage
The usual starting dose of Amtas-5 5mg Tablet is 5mg once daily, which your doctor may increase up to a maximum of 10mg daily depending on your blood pressure response. Your doctor will determine the right dose for your 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
- Headache
- Dizziness or lightheadedness
- Swelling of the ankles or feet
- Fatigue
- Flushing (warmth or redness in face/skin)
- Nausea
Contraindications
- Known hypersensitivity to amlodipine or other dihydropyridine calcium channel blockers
- Severe hypotension (very low blood pressure)
- Cardiogenic shock
- Significant aortic stenosis (narrowing of the aortic valve)
Drug / Food Interactions
- Grapefruit juice may increase amlodipine blood levels and the risk of side effects – avoid or limit intake
- Simvastatin doses above 20mg combined with amlodipine may increase the risk of muscle-related side effects
- Other blood-pressure-lowering medicines may increase the risk of low blood pressure when combined
- Strong CYP3A4 inhibitors (e.g. certain antifungals, ritonavir) may increase amlodipine levels
Quick Tips
- Take at the same time each day, with or without food
- Report new or worsening ankle swelling to your doctor, as a dose adjustment may help
- Avoid or limit grapefruit and grapefruit juice while on this medicine
- Do not stop this medicine suddenly without consulting your doctor
Frequently Asked Questions
What is Amtas-5 5mg Tablet used for?
Amtas-5 5mg Tablet is used to treat high blood pressure and to prevent chest pain (angina) caused by narrowed coronary arteries.
Why do my ankles swell while taking this medicine?
Amlodipine can cause fluid to accumulate in the lower legs and ankles due to its effect on blood vessels. This is a common side effect – tell your doctor if it bothers you, as a dose adjustment or alternative may help.
How long does it take for amlodipine to lower blood pressure?
Amlodipine can start working within a few hours, but it may take 1-2 weeks of regular use to see the full blood-pressure-lowering effect.
Can I stop taking this medicine if my blood pressure normalises?
No, do not stop without consulting your doctor. High blood pressure often has no symptoms, and stopping suddenly can cause your blood pressure to rise again.
What should I do if I miss a dose of Amtas-5 5mg 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 Amtas-5 5mg Tablet from DoctorOnCall?
Yes, Amtas-5 5mg 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 Amtas-5 5mg 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 Amtas-5 5mg 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 Amtas-5 5mg 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 Amtas-5 5mg 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 Amtas-5 5mg 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
- Amlodipine 5mg (as amlodipine besylate)
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
