Levemir FlexPen 100U/ml

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Dr. Mohd Izzat Amir Bin Awang
Reviewed byDr. Mohd Izzat Amir Bin AwangDoctor of Medicine (MD), University of Mansoura - Manchester
Dr. Adeline Carol Peters
Written byDr. Adeline Carol PetersBachelor of Medicine and Bachelor of Surgery (MBBS) — Manipal Academy of Higher Education (MAHE)

Last updated:

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.

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

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.

Frequently Asked Questions

Product Specifications

BrandNovo Nordisk
ManufacturerNovo Nordisk
ClassificationPrescription medicine
Ingredients / Active IngredientsInsulin
Pack Contents3ml x1 (pen), 3ml x5
Shelf LifeUse this product before the expiry date stated on the packaging. Do not use the medicine if the expiry date has passed.

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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.