GNH USA

Europe — EMA

Nebido (Testosterone Undecanoate)

GNH USA supplies Nebido (Testosterone Undecanoate), a hormone replacement therapy for male hypogonadism. Request a quote for global supply for your needs.

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What is Testosterone Undecanoate?

Testosterone undecanoate, the active ingredient in Nebido, is an androgen presented as an injectable suspension for intramuscular use. It is used for testosterone replacement therapy in males with hypogonadism. GNH USA supplies Nebido as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

What is Testosterone Undecanoate used for?

Nebido provides long‑acting testosterone replacement for disorders of the male endocrine system.

Primary hypogonadism: restores physiological testosterone levels and alleviates related symptoms. Secondary hypogonadism: supports androgen deficiency caused by pituitary or hypothalamic dysfunction. Testosterone replacement therapy: improves low libido, fatigue, loss of muscle mass and mood disturbances in affected men.

What are the side effects of Testosterone Undecanoate?

Nebido may cause a range of adverse reactions, from mild to severe.

Common Side Effects: - Injection site pain or erythema - Headache - Acne or oily skin - Increased red blood cell count - Fluid retention or mild edema - Mood changes or irritability

Serious or Rare Side Effects: - Polycythemia leading to thrombosis - Cardiovascular events such as myocardial infarction - Liver enzyme elevations - Prostate enlargement or cancer progression - Severe allergic reactions (anaphylaxis) - Significant hypertension or cardiovascular instability

What precautions apply to Testosterone Undecanoate?

Before initiating Nebido therapy, several safety considerations are recommended.

Monitor hematocrit: check regularly to detect polycythemia. Assess prostate health: perform PSA testing and digital exam. Screen cardiovascular risk: evaluate history of heart disease before treatment. Avoid use in known hypersensitivity: discontinue if allergic reaction occurs. Store at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.

What does Testosterone Undecanoate interact with?

Nebido can interact with other medicines, requiring careful management.

Major Interactions (Avoid): - Anticoagulants: may increase bleeding risk. - Insulin or oral hypoglycemics: can affect glucose control. - Strong CYP3A4 inhibitors: may raise testosterone levels.

Moderate Interactions (Monitor Closely): - Glucocorticoids: may exacerbate fluid retention. - Thyroid hormones: may alter metabolic response. - Other anabolic steroids: additive androgenic effects may increase adverse risk.

Frequently asked questions

What is Nebido used for?+
Nebido is prescribed for testosterone replacement therapy in adult men who have low or absent endogenous testosterone production, a condition known as hypogonadism. It helps restore normal hormone levels, improving symptoms such as reduced libido, fatigue, loss of muscle mass, and mood changes.
How does testosterone undecanoate work?+
Testosterone undecanoate is a long‑acting ester that, after intramuscular injection, is slowly hydrolysed to free testosterone. The released hormone binds to androgen receptors throughout the body, influencing gene expression and producing anabolic and androgenic effects that replace the missing natural hormone.
What is the usual dose of Nebido?+
The specific dose and dosing interval of Nebido are determined by the prescribing healthcare professional based on the patient’s clinical condition, testosterone levels, and response to therapy. Typical regimens involve an intramuscular injection administered every 10 to 14 weeks, but exact scheduling is individualized.
Is Nebido safe in pregnancy or breastfeeding?+
Nebido is not indicated for use in women, and its safety during pregnancy or lactation has not been established. It is contraindicated in pregnant or nursing women, and women of child‑bearing potential should avoid exposure and use effective contraception if treatment is considered.
How do I order Nebido from GNH USA?+
To order Nebido, submit an enquiry on the product page at gnh-usa.com, specifying the required quantity. GNH USA works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including cold‑chain if needed) and import documentation.
How does Nebido compare with other testosterone preparations?+
Nebido offers a long‑acting injectable formulation that requires fewer administrations (typically every 10‑14 weeks) compared with shorter‑acting testosterone esters that may need weekly or bi‑weekly injections. This reduced injection frequency can improve patient convenience and adherence while providing stable serum testosterone levels.
How should Nebido be stored and handled?+
Nebido should be stored at 2‑8 °C in a refrigerator, protected from light, and must not be frozen or shaken. Keep the product in its original packaging until use, and follow aseptic techniques when preparing the injection to maintain sterility.
How is Nebido administered?+
Nebido is given as an intramuscular injection, usually into the gluteal muscle. The injection must be performed by a qualified healthcare professional using aseptic technique. The volume and concentration are determined by the prescriber, and the injection site should be rotated as advised.
What are the most serious risks to watch for while using Nebido?+
Serious risks include polycythemia (elevated red blood cell count), cardiovascular events such as myocardial infarction or stroke, liver enzyme abnormalities, prostate enlargement or cancer progression, severe hypertension, and allergic reactions including anaphylaxis. Patients should be monitored regularly for these conditions.
Who should not use Nebido?+
Nebido is contraindicated in men with known hypersensitivity to testosterone undecanoate or any formulation component, those with prostate or breast cancer, severe untreated sleep apnea, uncontrolled heart failure, or significant cardiovascular disease. Women, especially pregnant or nursing, should also avoid this medication.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.

Product details

Drug
Testosterone Undecanoate
Route
Intramuscular Use
Manufacturer
Grünenthal Pharmaceuticals Gmbh & Co. Kg
Origin
EU

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