Saizen Liquid (Somatropin) 6mg (5.83mg/ml) Pre-filled Pen

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Brand Merck
Manufacturer Merck
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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)

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Overview

Saizen Liquid 6mg (5.83mg/ml) Pre-filled Pen contains Somatropin (recombinant human growth hormone) 6mg (5.83mg/ml) and is available as a medicine. It is classified as a prescription medicine and may only be obtained with a valid prescription from a registered medical practitioner.

Only product, safety and handling information is published here. Anything beyond that is explained to you directly by your doctor or pharmacist as part of your consultation.

DoctorOnCall is a licensed online pharmacy. Orders for Saizen Liquid 6mg (5.83mg/ml) Pre-filled Pen are processed only after a doctor has assessed your suitability and issued a prescription, and every order is checked by a registered pharmacist before it is sent out.

Directions for Use

Saizen Liquid 6mg (5.83mg/ml) Pre-filled Pen is given as a subcutaneous (under-the-skin) injection, usually once daily in the evening, using the pre-filled pen with a compatible pen needle as demonstrated by your doctor or nurse. Rotate the injection site (e.g. between the thigh, abdomen, or buttock) with each dose to reduce the risk of skin thinning or fat loss at any one site, and never share the pen with another person even if the needle is changed.

Dosage

The dose of Saizen Liquid 6mg (5.83mg/ml) Pre-filled Pen is highly individualised, based on body weight, age, the condition being treated, and the response seen on regular growth or IGF-1 monitoring. Treatment must be initiated and adjusted only by a specialist experienced in growth hormone therapy, typically a paediatric endocrinologist for children or an endocrinologist for adults.

Storage Instructions

Store in a refrigerator (2-8°C). Do not freeze. Keep the pen in the outer carton to protect it from light, and out of reach of children. Once in use, follow the in-use storage period and temperature stated in the pen’s package leaflet, and do not use the pen if it has been frozen at any point.

Side Effects

  • Redness, swelling, or discomfort at the injection site
  • Headache
  • Joint or muscle pain, especially when starting treatment
  • Mild fluid retention (swelling of the hands or feet)
  • Serious: severe headache with vision changes or vomiting (possible raised pressure in the brain), or signs of high blood sugar (excessive thirst, frequent urination) require immediate medical attention

Contraindications

  • Known hypersensitivity to somatropin or any ingredient in this product
  • Evidence of active tumour or cancer growth
  • Critically ill patients with complications following open-heart or abdominal surgery, multiple accidental trauma, or acute respiratory failure
  • Children with closed epiphyses (growth plates) being treated for growth promotion
  • Proliferative or severe non-proliferative diabetic retinopathy

Drug / Food Interactions

  • Corticosteroids (e.g. prednisolone) may reduce the growth-promoting effect of somatropin if used long-term
  • Insulin and oral anti-diabetic medicines may need dose adjustment, as somatropin can raise blood glucose levels
  • Oestrogen (including oral contraceptives) may reduce the effectiveness of somatropin in adults
  • Thyroid hormone replacement may need re-evaluation, as somatropin can unmask underlying low thyroid function

Quick Tips

  • Store the pen in the refrigerator between doses and check it has never been frozen before use
  • Rotate injection sites systematically to protect the skin and underlying fat
  • Attend all scheduled growth, blood glucose, and hormone monitoring appointments
  • Never adjust the dose yourself – all dose changes must come from your specialist
  • Tell your doctor promptly about severe headaches, vision changes, or new joint pain

Ingredients / Active Ingredients

  • Somatropin (recombinant human growth hormone) 6mg (5.83mg/ml)

Frequently Asked Questions

Product Specifications

BrandMerck
ManufacturerMerck
ClassificationPrescription medicine
Pack Contents1.03ml x1 (pen)
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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