Package: 1 vial (100IU/33mg 10ml)

Active Substance: Somatropin

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Somatrox, also known as Somatropin or Human Growth Hormone (HGH), is an injectable medical drug produced by Zerox Pharmaceuticals. This guide will cover all aspects of Somatrox, including its indications, contraindications, administration, medical action, precautions, side effects, overdosage, and a concluding overview.


Somatrox is indicated for various medical conditions and purposes. Primarily, it is used to treat growth hormone deficiency in both children and adults. In children, it is prescribed for conditions like growth failure due to inadequate secretion of endogenous growth hormone, Turner syndrome, chronic kidney disease, and Prader-Willi syndrome. In adults, it is used to treat growth hormone deficiency due to pituitary tumors, surgery, radiation therapy, or traumatic injury.

Additionally, Somatrox is used for the treatment of muscle wasting associated with HIV/AIDS and to improve body composition in patients with short bowel syndrome. It is also popular in the fitness and bodybuilding community for its ability to enhance muscle growth, reduce body fat, and improve overall physical performance.


Somatrox is not suitable for everyone. The following conditions are contraindications for its use:

  • Active cancer or any form of malignancy
  • Diabetic retinopathy
  • Acute critical illness due to complications following open-heart surgery, abdominal surgery, multiple accidental trauma, or acute respiratory failure
  • Known hypersensitivity to Somatropin or any of its excipients
  • Pregnancy or breastfeeding without medical supervision

Patients with pre-existing medical conditions such as diabetes, hypothyroidism, or intracranial hypertension should use Somatrox with caution and under strict medical supervision.


Somatrox is administered via subcutaneous or intramuscular injection. The dosage and duration of treatment depend on the condition being treated, the patient’s age, weight, and response to therapy.

For children with growth hormone deficiency, the typical dosage ranges from 0.16 to 0.24 mg/kg of body weight per week, divided into daily injections. For adults with growth hormone deficiency, the initial dose is usually 0.15 to 0.30 mg/day, which can be adjusted based on clinical response and side effects.

In bodybuilding and athletic contexts, dosages are often higher, ranging from 2 to 4 IU per day for muscle growth and fat loss. It is common to cycle Somatrox for 6 to 12 weeks, followed by a break to prevent potential side effects and maintain the effectiveness of the hormone.

Medical Action

Somatrox (Somatropin) is a synthetic form of the naturally occurring human growth hormone produced by the pituitary gland. It plays a crucial role in growth, cell regeneration, and cell reproduction. By stimulating the liver to produce insulin-like growth factor 1 (IGF-1), Somatrox promotes growth and development in various tissues, including muscles, bones, and organs.

The hormone enhances protein synthesis, nitrogen retention, and lipid metabolism, leading to increased muscle mass, reduced body fat, and improved physical performance. It also aids in the repair of damaged tissues, accelerates recovery from injuries, and supports overall health and well-being.


While using Somatrox, certain precautions should be taken to ensure safety:

  • Regular monitoring of blood glucose levels, as HGH can affect insulin sensitivity and increase the risk of diabetes
  • Monitoring thyroid function, as growth hormone therapy can impact thyroid hormone levels
  • Regular eye exams to detect any changes in vision or signs of diabetic retinopathy
  • Avoiding use in patients with active malignancy or those undergoing treatment for cancer
  • Caution in patients with a history of intracranial hypertension or severe cardiovascular disease

Athletes should also be aware of the anti-doping regulations in their sport, as the use of HGH is banned in most professional and competitive sports.

Side Effects

Like any medication, Somatrox can cause side effects. Some common side effects include:

  • Injection site reactions (pain, redness, or swelling)
  • Headache
  • Joint and muscle pain
  • Swelling of the hands and feet due to fluid retention
  • Carpal tunnel syndrome

More serious side effects can include:

  • Increased risk of diabetes
  • Hypothyroidism
  • Gynecomastia (enlargement of breast tissue in men)
  • Increased intracranial pressure (symptoms include severe headache, vision changes, nausea, and vomiting)
  • Pancreatitis (inflammation of the pancreas)

Long-term use of Somatrox can lead to more severe health issues, such as an increased risk of cardiovascular disease and the development of certain types of cancer. Users should be aware of these risks and monitor their health regularly.


Overdosage of Somatrox can intensify the side effects mentioned above and may lead to severe complications, such as insulin resistance, diabetes, acromegaly (abnormal growth of the hands, feet, and facial features), and severe fluid retention. If an overdose is suspected, it is crucial to seek medical attention immediately. Treatment for overdose typically involves discontinuing the drug and managing symptoms through supportive care.


Somatrox, or Somatropin (Human Growth Hormone), is a powerful and versatile drug used to treat various medical conditions related to growth hormone deficiency. It offers significant benefits for those looking to enhance muscle mass, reduce body fat, and improve overall physical performance. However, it is essential to use it responsibly and under medical supervision to minimize potential side effects.

Regular monitoring and adherence to recommended dosages can help mitigate risks. As with any medication, it is important to weigh the benefits against the potential health risks and to consider alternative methods for achieving fitness and health goals.

In summary, Somatrox is a valuable tool for those in need of growth hormone therapy and for athletes seeking performance enhancement. However, its use should be approached with caution and responsibility. Understanding the proper use and potential risks of Somatrox can help users make informed decisions and achieve their goals safely. Remember, the key to success with any performance-enhancing drug is balance, responsibility, and a well-rounded approach to fitness and health.


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