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MEDICAL INFORMATION
Ngenla Key Facts
What is Ngenla?
Ngenla is the brand name for somatrogon-ghla and is available as a subcutaneous injection.
What dosages is Ngenla available in?
Ngenla is available in the following:
24 mg/1.2 mL (20 mg/mL) single-patient-use prefilled pen that delivers a dose in 0.2 mg increments
60 mg/1.2 mL (50 mg/mL) single-patient-use prefilled pen that delivers a dose in 0.5 mg increments
What is Ngenla used for?
Ngenla is a human growth hormone analog indicated for treatment of pediatric patients aged 3 years and older who have growth failure due to inadequate secretion of endogenous growth hormone.
How does Ngenla work?
Ngenla works by increasing levels of growth hormones in the body. This increases bone and muscle growth. It belongs to a group of medications known as human growth hormones (hGH).
How do I take Ngenla?
Ngenla is given by subcutaneous injection once weekly, on the same day each week, at any time of the day in the abdomen, thighs, buttocks, or upper arms with weekly rotation of injection site.
The recommended dosage is 0.66 mg/kg based on actual body weight administered once weekly.
Is it safe for me to take Ngenla?
Ngenla is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in the following:
Acute critical illness.
Hypersensitivity to somatrogonghla or excipients.
Closed epiphyses.
Active malignancy.
Active proliferative or severe non-proliferative diabetic retinopathy.
Prader-Willi syndrome who are severely obese or have severe respiratory impairment.
Ngenla Common Side Effects
Common side effects of Ngenla:
- Nasopharyngitis
- Headache
- Fever
- Anemia
- Cough
- Vomiting
- Hypothyroidism
- Abdominal pain
- Rash
- Oropharyngeal pain
Ngenla Serious Side Effects
Serious side effects are rare with Ngenla. Ngenla may cause serious side effects, including:
High risk of death in people who have critical illnesses because of heart or stomach surgery, trauma or serious breathing (respiratory) problems.
Serious allergic reactions. Get medical help right away if your child has the following symptoms:
swelling of the face, lips, mouth, or tongue,
trouble breathing, wheezing,
severe itching, skin rashes, redness, or swelling, dizziness or fainting,
fast heartbeat or pounding in the chest, or sweating.
Increased risk of growth of cancer or a tumor that is already present and increased risk of the return of cancer or a tumor in people who were treated with radiation to the brain or head as children and who developed low growth hormone problems. Your child’s healthcare provider will need to monitor your child for a return of cancer or a tumor. Contact your child’s healthcare provider if your child starts to have headaches, or has changes in behavior, changes in vision, or changes in moles, birthmarks, or the color of the skin.
New or worsening high blood sugar (hyperglycemia) or diabetes. Your child’s blood sugar may need to be monitored during treatment with Ngenla.
Increase in pressure inside the skull (intracranial hypertension). If your child has headaches, eye problems, nausea or vomiting, contact your child’s healthcare provider.
Your child’s body holding too much fluid (fluid retention) such as swelling in the hands and feet, pain in the joints or muscles or nerve problems that cause pain, burning or tingling in the hands, arms, legs and feet. Fluid retention can happen in children during treatment with Ngenla. Tell your child’s healthcare provider if your child has any of these signs or symptoms of fluid retention.
Decrease in a hormone called cortisol. Your child’s healthcare provider will do blood tests to check your child’s cortisol levels. Tell your child’s healthcare provider if your child has severe fatigue, dizziness, weakness, vomiting, dehydration, or weight loss.
Decrease in thyroid hormone levels. Decreased thyroid hormone levels may affect how well Ngenla works. Your child’s healthcare provider will do blood tests to check your child’s hormone levels.
Hip and knee pain or limp (slipped capital femoral epiphysis). Tell your child’s healthcare provider if your child has any of these signs or symptoms.
Worsening of curvature of the spine (scoliosis). If your child has scoliosis, your child will need to be checked often for an increase in the curve of the spine.
Severe and constant stomach (abdominal) pain. This could be a sign of pancreatitis. Tell your child’s healthcare provider if your child has any new abdominal pain.
Loss of fat and tissue weakness in the area of skin you inject. Talk to your child’s healthcare provider about rotating the areas where you inject Ngenla.
High risk of sudden death in children with Prader-Willi syndrome who are severely obese or have breathing problems, including sleep apnea.
Increase in phosphorus, alkaline phosphatase and parathyroid hormone levels in the blood. Your child’s healthcare provider will do blood tests to check this.
Effects of other drugs, drug classes and over-the-counter products on Ngenla
The following medications may interact with Ngenla:
- Replacement Glucocorticoid Treatment: Patients treated with glucocorticoid for hypoadrenalism may require an increase in their maintenance or stress dose following initiation of Ngenla.
- Pharmacologic Glucocorticoid Therapy and Supraphysiologic Glucocorticoid Treatment: Adjust glucocorticoid dosing in pediatric patients to avoid both hypoadrenalism and an inhibitory effect on growth.
- Cytochrome P450-Metabolized Drugs: Ngenla may alter the clearance. Monitor carefully if used with Ngenla.
- Oral Estrogen: Larger doses of Ngenla may be required.
- Insulin and/or Other Antihyperglycemic Agents: Dose adjustment of insulin or antihyperglycemic agent may be required.
Who makes Ngenla?
Pfizer Inc.
Is Ngenla safe in pregnancy?
It is not known if Ngenla will harm your child’s unborn baby. Talk to your child’s healthcare provider if your child is pregnant or plans to become pregnant.
What is the generic name for Ngenla?
NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.
The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.
HOW IT WORKS
Order Delivery Guide


How will my order be delivered?
All orders are shipped in discreet and unmarked packaging, making them suitable for delivery to your home, workplace, or a neighbour. For your protection and safety, your first order can only be delivered to the address that is registered with NowPatient. Future orders can be delivered to any address you choose.
Where does NowPatient deliver?
NowPatient delivers to the UK, Europe, and worldwide. NHS services (such as NHS Online Pharmacy and NHS Pharmacy First) are available to patients in England only. Our private services and online pharmacy are available across the UK, with international shipping available to European and worldwide addresses. Please note that some remote or rural postcodes may experience slightly longer delivery times, and tracking availability for worldwide orders may vary depending on the destination country.
What delivery options are available?
UK orders are shipped via Royal Mail Tracked 24 & Signed, with next-day delivery as standard. European deliveries are sent via Royal Mail Tracked and typically arrive within 3–5 working days. Worldwide deliveries take 7–21 working days and are tracked where available in the destination country.
Delivery charges apply for most services. Shipping is included in the price for patients using our Get Treated Privately service in England, and is free for NHS Quit Smoking Service orders.
When will my order be dispatched?
We aim to dispatch all orders placed Monday to Friday before 3:00pm on the same working day. Orders placed after 3:00pm, or over weekends and bank holidays, will be dispatched on the next available working day.
Do you offer next-day delivery?
Yes. All UK orders are shipped via Royal Mail Tracked 24 & Signed, which delivers next day as standard. To qualify for same-day dispatch, please place your order before 3:00pm Monday to Friday. Orders placed after this time, or over weekends and bank holidays, will be dispatched on the next available working day.
Do you deliver temperature-sensitive or cold-chain medications?
Yes. We use a specialist courier service for all thermo-sensitive deliveries (such as insulin, GLP-1 weight loss injections like Mounjaro, and other refrigerated medications). Cold chain-validated packaging is used throughout the entire delivery process to ensure product quality, safety, and efficacy are always maintained.
How is cold-chain packaging handled?
Temperature-sensitive products are packed using validated cold chain packaging that maintains the required storage temperature throughout transit. Your parcel will normally receive an estimated delivery window from the courier on the day of delivery, so you can ensure someone is available to receive it. If you have concerns about receiving a cold-chain delivery, please contact our customer care team in advance.
Do you deliver controlled drugs?
Yes. Controlled drugs are delivered using a specialist courier service to ensure secure and compliant handling in accordance with UK regulations. These deliveries will always require a signature upon receipt.
How do I track my order?
Once your order has been dispatched, you will receive a dispatch notification containing your tracking details. You can also view your tracking information at any time in the 'Notification Feed' section on your account dashboard. Tracking is available for all delivery options.
Will I receive status updates about my order?
Yes. NowPatient uses a structured notification system to keep you fully informed throughout the order process. Every time your order status changes — from approval through to dispatch and delivery — you will be notified immediately. Notifications are sent via email and appear in the 'Notifications' section of your account homepage (accessible via the bell icon). This includes updates when your treatment is approved, dispensed, and shipped.
What order statuses will I see?
You can expect to see the following key status updates: Order Received, Prescription Approved (where applicable), Order Dispensed, Dispatched (with tracking reference), and Delivered.
Can I change my delivery address?
For your first order, delivery must be made to the address registered with NowPatient at the time of sign-up. This is a safety measure to verify your identity and protect your account. From your second order onwards, you can select from any saved address in your account or add a new delivery address during checkout.
Can I have my order delivered to my workplace or a neighbour?
Yes. From your second order onwards, you can have your medication delivered to any address, including your workplace, a family member's address, or a neighbour. All parcels are sent in discreet, unmarked packaging, so the contents will not be identifiable.
How do I update or add a new delivery address?
You can manage your delivery addresses directly within your NowPatient account settings. Additional addresses can also be added during the checkout process when selecting your delivery address. Simply select 'Add a new address' and enter the required details.
What should I do if my order hasn't arrived?
If you have not received your order within the expected delivery window, please first check your tracking details in the 'Notification Feed' section of your account dashboard. If after 10 days of dispatch you have still not received your delivery, please contact our customer care team and we will work to resolve the issue as quickly as possible.
What if my order arrives damaged?
If your order arrives in a damaged condition, please do not use the medication and contact our customer care team immediately. Please retain the original packaging and, if possible, take photographs of the damage, as this will help us raise a claim with the courier and arrange a replacement for you as quickly as possible.
My tracking shows delivered but I haven't received my parcel — what should I do?
First, check with any neighbours or safe locations at your property (such as a porch or outbuilding). If you still cannot locate your parcel, please contact our customer care team and we will investigate the matter with the courier on your behalf.
What happens if I miss my delivery?
If you miss a delivery, the courier will typically leave a card with instructions for rescheduling or collecting your parcel from a local depot. For cold-chain deliveries, it is particularly important to arrange redelivery promptly to maintain product integrity. If you have concerns about a missed cold-chain delivery, please contact our customer care team for guidance.
If you ship international, do I need to handle duties?
No. Our prices include customs duties, wherever you are located.
How are NHS repeat prescriptions delivered?
Once your GP has approved your prescription request, NowPatient's regulated online pharmacy will dispense and dispatch your medication. You will be notified at each stage of the process. NHS prescriptions are dispatched via Royal Mail Tracked 24 & Signed for next-day delivery, provided the order is placed before 3:00pm on a
working day.
Is delivery free for NHS prescriptions?
No. There is a small cost applied to all NHS prescription deliveries. This allows us to keep our service operational. NHS Quit Smoking Service orders qualify for free delivery. If you are using the Get Treated Privately service in England, shipping is included within the consultation and treatment price.
Can I specify a preferred delivery date for my NHS prescription?
At this time, NowPatient dispatches orders on the same working day if placed before 3:00pm Monday to Friday. All UK NHS prescriptions are sent via Royal Mail Tracked 24 & Signed for next-day delivery, so you can plan accordingly once you receive your dispatch notification.
How are private prescription medications delivered after a telehealth consultation?
Following your telehealth or video consultation, if a treatment is prescribed, it will be added to your cart automatically. After you complete checkout and payment, your order is sent to NowPatient's regulated online pharmacy for processing. You will receive status updates at every stage and your medication will be dispatched in discreet, unmarked packaging.
How quickly will I receive medication after my consultation?
If your consultation and checkout are completed before 3:00pm on a working day, we aim to dispatch your medication the same day. The total time to delivery will depend on the delivery method you select at checkout.
Is the packaging discreet?
Yes. All NowPatient orders are shipped in plain, unmarked packaging with no branding or indication of the contents on the outside. The packaging is suitable for delivery to your home, workplace, or a neighbour.
Will my parcel require a signature?
Yes. All UK orders are sent via Royal Mail Tracked 24 & Signed, which requires a signature upon delivery. Controlled drug deliveries will always require a signature regardless of the shipping method. For cold-chain deliveries, a signature is required to ensure someone is available to receive the medication promptly and maintain product integrity. For European and worldwide orders, signature requirements may vary depending on the destination country and the service available.
How do I contact NowPatient about a delivery issue?
You can reach our customer care team through the NowPatient website or app. Go to your account and use the Help or Contact Us section to raise a query. Our team is available to assist with any delivery-related concerns including missing parcels, tracking queries, or delivery address changes.
What are NowPatient's customer care hours?
Please visit the Contact Us section of the NowPatient website or app for up-to-date information on our customer care operating hours and available contact methods.
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We are a broad skilled and passionate group of clinicians with experience of operating in regulated health systems in the United Kingdom & United States. Providing excellent care and advice is at the heart of everything we do. You can read more about our medical team by visiting the medical team page or learn more about how we curate content by visiting our editorial process


























