Levemir FlexPen 100U/ml

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Prescription Required

Orders placed now will be queued. A doctor will contact you on the next working day for approval.

Overview

Levemir FlexPen 100U/ml is a prescription-only medicine (POM) presented as a medicine, with Insulin detemir 100U/ml 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

Inject Levemir FlexPen 100U/ml subcutaneously into the abdomen, thigh, or upper arm, rotating the injection site each time. If dosed twice daily, try to keep a consistent gap between the morning and evening doses. Do not mix or dilute this insulin with any other insulin or solution in the same syringe.

Dosage

The dose of Levemir FlexPen 100U/ml is individualised by your doctor based on your blood glucose readings, HbA1c target, and other diabetes medicines, given once daily or split into two daily doses depending on your needs. Never change your dose without your doctor’s specific instruction.

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

Before first use, store in a refrigerator (2-8°C); do not freeze, and do not use if it has been frozen. Once a pen/cartridge is in use (or carried as a spare), it may be kept at room temperature (below 30°C), away from direct heat and light, for up to 6 weeks; discard it after that period even if some insulin remains, and never share a pen between patients.

Side Effects

  • Low blood sugar (hypoglycaemia)
  • Weight gain
  • Injection site redness or swelling
  • Headache
  • Dizziness
  • Sweating or shakiness

Contraindications

  • Known hypersensitivity to insulin detemir or any ingredient in this product
  • During episodes of hypoglycemia (low blood sugar)

Drug / Food Interactions

  • Other glucose-lowering medicines, including rapid-acting insulin, increase the risk of hypoglycemia when combined
  • Beta-blockers and certain other medicines can mask early warning symptoms of hypoglycemia
  • Corticosteroids and some hormonal medicines can raise blood glucose and reduce this insulin’s effect
  • Alcohol can increase the risk and prolong the duration of hypoglycemia

Quick Tips

  • Try to inject at the same time(s) each day for consistent background glucose control
  • Always carry a fast-acting source of sugar in case of hypoglycemia
  • Rotate injection sites systematically to maintain consistent insulin absorption
  • Check your blood glucose regularly as advised by your doctor

Frequently Asked Questions

Is Levemir FlexPen 100U/ml a prescription medicine?

Yes. Levemir FlexPen 100U/ml 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 Levemir FlexPen 100U/ml contain?

Levemir FlexPen 100U/ml is supplied as a medicine and contains Insulin detemir 100U/ml. 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 Levemir FlexPen 100U/ml 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 Levemir FlexPen 100U/ml?

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 Levemir FlexPen 100U/ml?

Before first use, store in a refrigerator (2-8°C); do not freeze, and do not use if it has been frozen. Once a pen/cartridge is in use (or carried as a spare), it may be kept at room temperature (below 30°C), away from direct heat and light, for up to 6 weeks; discard it after that period even if some insulin remains, and never share a pen between patients. 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 Levemir FlexPen 100U/ml 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 Levemir FlexPen 100U/ml?

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 Levemir FlexPen 100U/ml 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 Levemir FlexPen 100U/ml 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

  • Insulin detemir 100U/ml

Safety Advice

Pregnancy

Safe If Prescribed

This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.

Breastfeeding

Generally Safe

This medicine is generally safe during breastfeeding with minimal risk to the infant.

Kidney

Use With Care

Use cautiously. Dose adjustment or monitoring may be required.

Liver

Use With Care

Use cautiously. Liver function monitoring may be required.

Alcohol

Use With Care

Caution is advised when consuming alcohol with this medicine.

Driving

Use With Care

Use caution while driving until you know how this medicine affects you.

Medical Review

Written by:

Dr. Chong Zhan Pong

Doctor of Medicine (MD), International Medical University (IMU)

Reviewed by:

Dr. Mohd Izzat Amir Bin Awang

Doctor of Medicine (MD), University of Mansoura - Manchester

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Important Medical Information

💊 Recommended Dosage:

The dose of Levemir FlexPen 100U/ml is individualised by your doctor based on your blood glucose readings, HbA1c target, and other diabetes medicines, given once daily or split into two daily doses depending on your needs. Never change your dose without your doctor’s specific instruction.

🛑 Contraindications (Do not use if):
  • Known hypersensitivity to insulin detemir or any ingredient in this product
  • During episodes of hypoglycemia (low blood sugar)
If you are unsure, please chat with us or consult your doctor.
⚠️ Common Side Effects:
  • Low blood sugar (hypoglycaemia)
  • Weight gain
  • Injection site redness or swelling
  • Headache
  • Dizziness
  • Sweating or shakiness
Stop taking this medication immediately and consult your doctor if you experience severe allergic reactions or side effects.
IMPORTANT: Unsure? Chat with our pharmacists (Mon - Sat, 9:00am - 6:00pm) before buying.