Saizen Liquid 12mg (8mg/ml) Pre-filled Pen
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Overview
Saizen Liquid 12mg (8mg/ml) Pre-filled Pen contains Somatropin 12mg (8mg/ml) per injection pen and is available as a medicine. It is classified as a prescription medicine and may only be obtained with a valid prescription from a registered medical practitioner.
Only product, safety and handling information is published here. Anything beyond that is explained to you directly by your doctor or pharmacist as part of your consultation.
DoctorOnCall is a licensed online pharmacy. Orders for Saizen Liquid 12mg (8mg/ml) Pre-filled Pen are processed only after a doctor has assessed your suitability and issued a prescription, and every order is checked by a registered pharmacist before it is sent out.
Directions for Use
Inject Saizen Liquid 12mg (8mg/ml) Pre-filled Pen subcutaneously (under the skin), usually once daily in the evening, exactly as taught by your specialist care team, rotating injection sites between the abdomen, thigh, or buttock to reduce skin reactions. Your care team will personally train you or your caregiver on correct pen use, dose setting, and needle disposal before any injections are given at home.
Dosage
The dose of Saizen Liquid 12mg (8mg/ml) Pre-filled Pen is highly individualised by your paediatric endocrinologist or growth hormone specialist, based on body weight or body surface area, growth response, and regular IGF-1 blood level monitoring. Never start, stop, or change your dose without explicit instruction from your specialist care team, as both under-treatment and over-treatment carry risks.
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 in a refrigerator (2-8°C). Do not freeze. Once in use, it may be stored as per the product-specific in-use period at either refrigerated or room temperature according to the pen’s instructions – do not freeze it at any point, and keep it away from direct light and out of reach of children.
Side Effects
- Redness, itching, or swelling at the injection site
- Headache
- Joint pain or stiffness
- Mild swelling of the hands, feet, or ankles (fluid retention)
- Serious: severe or worsening headache with vision changes, nausea, or vomiting may indicate raised pressure inside the skull (intracranial hypertension) – contact your care team immediately if these occur
Contraindications
- Known hypersensitivity to somatropin or any ingredient in this product
- Evidence of active malignancy (growth hormone should not be started until tumour treatment is complete and the specialist confirms it is safe)
- Critical illness following major surgery, multiple accidental trauma, or acute respiratory failure
- Closed bone growth plates, when used for growth promotion in children
- Active proliferative or severe non-proliferative diabetic retinopathy
Drug / Food Interactions
- Oral corticosteroids may blunt the growth-promoting effect and require dose adjustment by the specialist
- Insulin or oral diabetes medicines may need dose adjustment, as somatropin can raise blood sugar levels
- Oestrogen therapy (including oral contraceptives) may reduce somatropin’s effect, requiring specialist dose review
- Thyroid hormone levels should be monitored, as somatropin treatment may unmask or worsen underlying hypothyroidism
Quick Tips
- Attend every scheduled appointment with your paediatric endocrinologist or growth hormone specialist without exception
- Keep to the exact injection schedule and technique your specialist care team taught you
- Never adjust the dose yourself, even if growth or symptoms seem slower or faster than expected
- Contact your care team immediately for severe headache, vision changes, new lumps, or unexplained swelling
Frequently Asked Questions
Is Saizen Liquid 12mg (8mg/ml) Pre-filled Pen a prescription medicine?
Yes. Saizen Liquid 12mg (8mg/ml) Pre-filled Pen 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 Saizen Liquid 12mg (8mg/ml) Pre-filled Pen contain?
Saizen Liquid 12mg (8mg/ml) Pre-filled Pen is supplied as a medicine and contains Somatropin 12mg (8mg/ml) per injection pen. 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 Saizen Liquid 12mg (8mg/ml) Pre-filled Pen 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 Saizen Liquid 12mg (8mg/ml) Pre-filled Pen?
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 Saizen Liquid 12mg (8mg/ml) Pre-filled Pen?
Store in a refrigerator (2-8°C). Do not freeze. Once in use, it may be stored as per the product-specific in-use period at either refrigerated or room temperature according to the pen’s instructions – do not freeze it at any point, and keep it away from direct light 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 Saizen Liquid 12mg (8mg/ml) Pre-filled Pen 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 Saizen Liquid 12mg (8mg/ml) Pre-filled Pen?
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 Saizen Liquid 12mg (8mg/ml) Pre-filled Pen 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 Saizen Liquid 12mg (8mg/ml) Pre-filled Pen 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
- Somatropin 12mg (8mg/ml) per injection pen
