Arimidex 1mg Tablet
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Prescription Required
Overview
Arimidex 1mg Tablet is a prescription-only medicine (POM) presented as a tablet, with Anastrozole 1mg 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 Arimidex 1mg Tablet once daily at the same time, with or without food, swallowing the tablet whole with water. Continue taking it exactly as prescribed for the full duration your oncologist has recommended, as the treatment works over the long term to reduce the risk of cancer recurrence.
Dosage
The usual dose of Arimidex 1mg Tablet is 1mg once daily. Your oncologist will determine the total duration of treatment, commonly up to five years as adjuvant therapy, based on your specific cancer staging and treatment plan – never change your dose or stop treatment without discussing it with your oncology team.
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
- Hot flashes
- Joint or muscle pain
- Weakness or fatigue
- Headache
- Nausea
- Increased sweating
- Bone thinning (osteoporosis) over long-term use
- Mood changes
Contraindications
- Known hypersensitivity to anastrozole or any ingredient in this product
- Premenopausal hormonal status (oestrogen production is not adequately suppressed in this group)
- Pregnancy and breastfeeding
- Severe hepatic impairment requires careful specialist assessment
Drug / Food Interactions
- Oestrogen-containing medicines or hormone replacement therapy counteract anastrozole’s effect and should be avoided during treatment
- Tamoxifen is not usually recommended in combination, as it may reduce anastrozole’s blood levels
- Inform your oncology team of every other cancer therapy, supplement, or medicine you are taking so they can coordinate your overall treatment
Quick Tips
- Attend every scheduled bone density (DEXA) scan and oncology follow-up appointment
- Discuss calcium and vitamin D supplementation for bone health with your doctor
- Report new or worsening joint pain, chest discomfort, or unusual vaginal bleeding to your oncology team promptly
- Take your tablet at the same time every day to build a consistent routine
Frequently Asked Questions
Is Arimidex 1mg Tablet a prescription medicine?
Yes. Arimidex 1mg 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 Arimidex 1mg Tablet contain?
Arimidex 1mg Tablet is supplied as a tablet and contains Anastrozole 1mg. 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 Arimidex 1mg 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 Arimidex 1mg Tablet?
Take it exactly as written on your prescription label. Do not increase, reduce or skip doses on your own, and do not continue beyond the period your doctor has prescribed. Practical handling steps are set out in 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 Arimidex 1mg 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 Arimidex 1mg 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 Arimidex 1mg 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 Arimidex 1mg 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 Arimidex 1mg 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
- Anastrozole 1mg
Safety Advice
Pregnancy
Use during pregnancy is generally not recommended unless absolutely necessary.
Breastfeeding
Generally not recommended while breastfeeding.
Kidney
Generally safe, but caution may be required in some patients.
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.
