Levemir FlexPen 100U/ml

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Prescription Required

Complete your checkout to get your prescription approved. A doctor will contact you within 30 minute(s) after payment.

Overview

Levemir FlexPen 100U/ml contains insulin detemir 100U/ml, a long-acting human insulin analogue used to provide background (basal) blood glucose control in adults, adolescents, and children with type 1 or type 2 diabetes mellitus, usually given once or twice daily.

Insulin detemir is engineered to bind reversibly to albumin, a protein in the blood, after it is absorbed from the injection site. This binding slows its release into general circulation, giving a relatively steady, prolonged glucose-lowering effect that mimics the body’s normal background insulin secretion.

How it Works

After subcutaneous injection, insulin detemir molecules self-associate and also bind reversibly to albumin via a fatty acid side chain. This slows both its absorption from the injection site and its distribution once in the bloodstream, producing a prolonged, relatively flat time-action profile suited to basal (background) glucose control rather than a sharp mealtime peak.

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

What is Levemir FlexPen 100U/ml used for?

Levemir FlexPen 100U/ml is a long-acting basal insulin used to provide steady, background blood glucose control in people with type 1 or type 2 diabetes, usually alongside rapid-acting insulin at meals or other diabetes medicines.

Do I inject this insulin once or twice a day?

It depends on your individual treatment plan – some people use it once daily, others twice daily for more even coverage. Your doctor will determine and explain the dosing schedule that suits you.

What is hypoglycemia and how do I recognise it?

Hypoglycemia (low blood sugar) can cause sweating, shakiness, dizziness, confusion, hunger, or a fast heartbeat. Take a fast-acting sugar source immediately if you notice these symptoms, and seek urgent medical help if symptoms are severe.

Can I switch to a different insulin brand on my own?

No. Never switch insulin products or brands without your doctor’s explicit instruction, as the dose and timing may need to change, and an incorrect switch can cause dangerous highs or lows in blood glucose.

What should I do if I miss a dose?

Contact your doctor or diabetes care team for specific advice, as the right action depends on how much time has passed and your individual regimen. Do not take a double dose to make up for a missed one without medical guidance.

Can I buy Levemir FlexPen 100U/ml from DoctorOnCall?

Yes, Levemir FlexPen 100U/ml 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 Levemir FlexPen 100U/ml 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 Levemir FlexPen 100U/ml?

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

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 Levemir FlexPen 100U/ml?

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

  • 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.