Acetan HCT 50/12.5mg Tablet
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Prescription Required
Directions for Use
Take Acetan HCT 50/12.5mg Tablet in the morning where possible, as the diuretic component can increase urination and may disturb sleep if taken late in the day. It can be taken with or without food, at the same time each day.
Dosage
Acetan HCT 50/12.5mg Tablet is usually taken once daily, with your doctor selecting the appropriate strength based on your blood pressure response and how well you tolerate the medicine. Do not change between strengths without your doctor’s advice.
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
- Increased urination
- Headache
- Nausea or vomiting
- Muscle cramps or weakness
- Sensitivity to sunlight
Contraindications
- Known hypersensitivity to losartan, hydrochlorothiazide, or sulfonamide-derived medicines
- Anuria (inability to produce urine) or severe kidney impairment
- Pregnancy (can cause harm to the developing baby)
- Severe liver impairment
- Refractory low blood potassium or low blood sodium
Drug / Food Interactions
- Potassium supplements or potassium-sparing diuretics may raise blood potassium when combined with losartan, while hydrochlorothiazide can lower it – your doctor will monitor your electrolytes
- NSAIDs (e.g. ibuprofen) may reduce the blood-pressure-lowering effect and affect kidney function
- Lithium levels may increase when combined with either component
- Other blood pressure medicines may increase the risk of low blood pressure
Quick Tips
- Attend scheduled blood tests to monitor your kidney function and electrolyte (sodium/potassium) levels
- Use sun protection, as this medicine can make your skin more sensitive to sunlight
- Rise slowly from sitting or lying down to reduce dizziness
- Monitor your blood pressure regularly as advised by your doctor
Frequently Asked Questions
Is Acetan HCT 50/12.5mg Tablet a prescription medicine?
Yes. Acetan HCT 50/12.5mg 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 Acetan HCT 50/12.5mg Tablet contain?
Acetan HCT 50/12.5mg Tablet is supplied as a tablet and contains Losartan potassium 50mg and Hydrochlorothiazide 12.5mg. 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 Acetan HCT 50/12.5mg 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 Acetan HCT 50/12.5mg 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 Acetan HCT 50/12.5mg Tablet?
Store below 30°C in a dry place, away from direct sunlight and out of reach of children. 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 Acetan HCT 50/12.5mg 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 Acetan HCT 50/12.5mg 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 Acetan HCT 50/12.5mg 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 Acetan HCT 50/12.5mg 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
- Losartan potassium 50mg
- Hydrochlorothiazide 12.5mg
Safety Advice
Pregnancy
There is no adequate data on use during pregnancy. Consult a doctor before use.
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
It is not advisable to consume alcohol while taking this medicine.
Driving
It is not advisable to drive if you experience side effects from this medicine.
