Faslodex 250mg/5ml Pre-Filled Syringe for Injection
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Overview
Faslodex 250mg/5ml Pre-Filled Syringe contains fulvestrant, a selective estrogen receptor degrader (SERD) given as an intramuscular injection by a healthcare professional, used to treat hormone receptor-positive metastatic breast cancer in postmenopausal women, either alone or combined with other targeted therapies.
It works by binding to and degrading the estrogen receptor on breast cancer cells, blocking the effect of estrogen that these hormone-sensitive cancer cells depend on to grow, which slows or stops tumour growth.
How it Works
Fulvestrant binds to the estrogen receptor on breast cancer cells with high affinity, which blocks the receptor’s activity and also marks it for breakdown by the cell, reducing the number of functional estrogen receptors available to drive cancer growth.
Directions for Use
This medicine is administered only by a doctor or nurse as a slow intramuscular injection into the buttock, one injection into each side; it is not self-administered at home.
Dosage
The usual regimen is 500mg (given as two 5ml injections) on day 1, day 15, day 29, and then monthly thereafter, but the exact schedule is determined and monitored by the treating oncologist.
Shelf Life
Refer to the expiry date printed on the packaging; this medicine is stored and administered only by healthcare professionals.
Storage Instructions
Stored under controlled, refrigerated conditions by the pharmacy or clinic as specified by the manufacturer; not intended for home storage.
Side Effects
- Injection site pain, swelling, or discomfort
- Hot flashes
- Nausea
- Joint pain (arthralgia)
- Elevated liver enzymes
Contraindications
- Known hypersensitivity to fulvestrant or any ingredient in the formulation
- Severe liver impairment
- Pregnancy and breastfeeding
- Bleeding disorders or use of anticoagulants, due to the intramuscular injection route – requires specialist assessment
Drug / Food Interactions
- Anticoagulant (blood-thinning) medicines require caution due to the intramuscular injection route and increased bleeding risk at the injection site.
- Other hormone therapies for breast cancer are sometimes combined under oncology supervision, while others are avoided due to overlapping mechanisms.
- Inform your oncology team of all medicines and supplements you are taking.
Quick Tips
- Keep every scheduled injection appointment, as consistent dosing intervals are important for this medicine’s effectiveness.
- Tell your care team if you are on blood thinners before each injection.
- Report persistent injection site pain, swelling, or signs of infection at the injection site.
- Attend scheduled liver function monitoring during treatment.
Frequently Asked Questions
What is Faslodex 250mg/5ml used for?
It is used to treat hormone receptor-positive metastatic breast cancer in postmenopausal women, alone or combined with other targeted therapies.
How does fulvestrant work?
It binds to and breaks down the estrogen receptor on breast cancer cells, blocking the effect of estrogen that these cancer cells rely on to grow.
How often will I need this injection?
The usual schedule is on days 1, 15, and 29, then monthly, but your oncologist will confirm the exact schedule for your treatment.
Can I give myself this injection at home?
No, it must be given by a doctor or nurse as an intramuscular injection into the buttock.
Why does the injection site hurt afterwards?
Injection site pain, swelling, or discomfort is a common and usually temporary effect of this medicine; tell your care team if it is severe or persistent.
Is this used alone or with other medicines?
It can be used alone or combined with targeted therapies such as CDK4/6 inhibitors, depending on your specific cancer characteristics and treatment plan.
Can I take this if I am on blood thinners?
Tell your care team if you are on anticoagulants, as the intramuscular injection carries a higher bleeding risk that needs assessment.
Can I buy Faslodex 250mg/5ml Pre-Filled Syringe for Injection from DoctorOnCall?
Yes, Faslodex 250mg/5ml Pre-Filled Syringe for Injection 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 Faslodex 250mg/5ml Pre-Filled Syringe for Injection 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 Faslodex 250mg/5ml Pre-Filled Syringe for Injection?
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 Faslodex 250mg/5ml Pre-Filled Syringe for Injection 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 Faslodex 250mg/5ml Pre-Filled Syringe for Injection?
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 Faslodex 250mg/5ml Pre-Filled Syringe for Injection?
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
- Fulvestrant 250mg/5ml
Medical Review
