How to Use NGENLA 24 mg: Step-by-Step Instructions
July 18, 2026Welcome, dear readers of our website HGHBangkok.com
We have prepared this official guide to help you use NGENLA 24 mg correctly and safely.
Please read these instructions carefully before starting treatment. Should you have any questions, you can always contact our team through the chat in the bottom-right corner of the website.
Instructions for Using NGENLA 24 mg
NGENLA (somatrogon)
24 mg / 1.2 mL
For subcutaneous injection only
NGENLA is supplied as a pre-filled, multidose injection pen. These instructions provide essential information about preparing, safely using, storing, and disposing of the injection pen.
Before the first injection, the patient or caregiver must receive training from a doctor, nurse, or pharmacist. Do not use the injection pen by yourself until a healthcare professional has shown you the correct injection technique.
Important Information About the NGENLA Pen
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The NGENLA 24 mg pen is intended for use by one patient only and contains multiple doses of the medicine.
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Do not share your injection pen with anyone else, even if the needle has been replaced.
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Use a new sterile needle for every injection.
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Never reuse a needle.
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Do not change the prescribed dose unless instructed by your doctor.
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Do not shake the injection pen, as this may damage the medicine.
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Do not use the pen if it has been dropped, damaged, frozen, or exposed to high temperatures.
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Do not use the solution if it is cloudy, dark yellow, discoloured, or contains flakes or visible particles.
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Change the injection site with every dose.
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When more than one injection is required to deliver the full dose, each injection must be given at a different site.
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A small amount of solution may remain in the pen after it has been used correctly. Do not attempt to remove or use this remaining medicine.
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Store the pen without a needle attached and with the pen cap in place.
Dose Range
The NGENLA 24 mg pen allows doses from 0.2 mg to 12 mg to be selected in increments of 0.2 mg.
When the prescribed dose is greater than 12 mg, more than one injection may be required.
Materials Needed for the Injection
Included in the Package
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one pre-filled NGENLA 24 mg injection pen.
Not Included in the Package
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a new sterile pen needle;
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an alcohol swab;
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a cotton pad or gauze pad;
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an adhesive bandage, if needed;
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a sharps disposal container.
Main Parts of the Injection Pen
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pen cap;
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needle connector;
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medicine cartridge;
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cartridge holder;
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dose window;
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dose selector;
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injection button;
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label showing the product name and strength;
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expiry date marked as EXP.
What Does EXP Mean?
EXP indicates the expiry date, not the date of last use.
Pen Needles
Needles are not included in the package.
Depending on the version of the instructions and the market, the injection pen may be used with needles:
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from 4 to 8 mm in length;
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in sizes from 30G to 32G.
A suitable needle type should be recommended by your doctor, nurse, or pharmacist. The official UK instructions list compatible needles in sizes 30G, 31G, and 32G.
Important Rules for Using Needles
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Do not use bent or damaged needles.
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Do not attach a needle until you are ready to give the injection.
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Use a new sterile needle for every injection.
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Place the used needle in a sharps disposal container immediately after use.
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Do not store the injection pen with the needle attached.
Preparing for the Injection
1. Prepare the Necessary Materials
Place the injection pen, a new needle, an alcohol swab, gauze or a cotton pad, and a sharps disposal container on a clean, flat surface.
2. Wash Your Hands
Wash your hands thoroughly with soap and water and dry them.
3. Check the Injection Pen
Make sure that:
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the label states NGENLA 24 mg;
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the injection pen is not damaged;
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the expiry date has not passed;
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the solution is clear, colourless, or slightly light yellow;
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the solution does not contain flakes or other particles.
For a more comfortable injection, the pen may be left at room temperature for no longer than 30 minutes, provided this is permitted by the instructions supplied with your medicine.
4. Choose an Injection Site
NGENLA is injected under the skin in one of the following areas:
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abdomen;
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thigh;
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buttock;
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upper arm.
Rotate the injection site each time.
Do not inject into skin that:
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is red or painful;
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has bruises, scars, or damage;
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is hard or swollen;
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shows signs of a skin condition.
Do not inject the medicine into a muscle, vein, or directly over a bone.
The official instructions identify the abdomen, thighs, buttocks, and upper arms as acceptable sites for subcutaneous injection.
5. Clean the Skin
Wipe the selected area with an alcohol swab and allow it to dry completely.
Do not touch the injection site after cleaning it.
6. Prepare the Injection Pen
Attach a new needle and check the medicine flow only in the order described in the official instructions supplied with your specific injection pen.
Do not use a random dose to check the flow. Do not repeat the injection by yourself when you are unsure whether the full dose was delivered.
7. Select the Prescribed Dose
Select only the dose in milligrams prescribed by your doctor.
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Check the number displayed in the dose window.
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Do not calculate the dose only by counting clicks.
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Do not press the injection button while selecting the dose.
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When the required dose cannot be selected, do not attempt to remove the remaining solution by another method.
8. Give the Injection
Follow the exact technique demonstrated by your healthcare professional and the instructions supplied with your specific injection pen.
Do not combine recommendations from different instruction leaflets.
In particular, do not use both the five-second and ten-second counting methods. The amount of time the needle must remain in the skin should match the official instructions for your version of the pen.
When you are unsure whether the full dose was injected, do not give another injection without first consulting your doctor.
After the Injection
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If needed, gently press the injection site with a clean cotton pad or gauze pad.
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Do not rub the injection site.
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A small drop of blood may be normal.
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Apply an adhesive bandage if needed.
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Safely remove the needle according to the instructions for the device.
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Immediately place the used needle in a sharps disposal container.
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Replace the cap on the injection pen.
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Store the pen without a needle attached.
When There Is Not Enough Medicine Left in the Pen
When the dose selector does not allow you to select the full prescribed dose, there may not be enough solution left in the pen.
Do Not Attempt To
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withdraw the solution with a syringe;
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transfer it into another device;
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combine remaining medicine by yourself;
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calculate the dose only by counting clicks.
A healthcare professional should explain in advance how to use the remaining medicine in one pen and complete the dose with another pen.
When the Wrong Dose Has Been Selected
When the Injection Has Not Yet Been Given
Do not press the injection button.
Turn the dose selector back to the prescribed dose and check the number in the dose window again.
When Too Much Medicine Has Been Injected
When a larger dose than prescribed has been injected, do not inject any additional medicine. Contact your doctor or seek urgent medical assistance immediately.
When a Dose Is Missed
Follow the official instructions and your doctor’s recommendations.
Recommendations for a Missed Dose
Current official information states that:
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when no more than three days have passed since the scheduled injection day, the missed dose may be injected as soon as possible;
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when more than three days have passed, do not inject the missed dose and give the next dose on the regularly scheduled day;
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do not inject a double dose;
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there must be at least three days between two injections.
Storing the Injection Pen
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Store NGENLA in a refrigerator at a temperature of 2°C to 8°C.
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Do not freeze.
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Do not shake.
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Protect it from direct sunlight and heat.
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Store the pen in the refrigerator between injections.
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Always remove the needle after use.
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Store the pen with the cap attached.
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After first use, the pen can generally be stored for up to 28 days, but you must follow the instructions approved in your country.
Date of First Use
________ / ________ / ________
Disposal
Place used needles in a designated sharps disposal container.
Return an empty, expired, or unusable injection pen to a pharmacy or dispose of it according to local regulations.
Do not place unprotected needles in ordinary household waste.
Important Warning
Before use, carefully read the complete official instructions supplied with the NGENLA 24 mg injection pen.
This material does not replace medical advice or training in the correct injection technique.
About This Material
This material has been prepared by the HGH Bangkok team for your convenience and safety.
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