testosterone undecanoate (Reandron 1000)
What to know about testosterone undecanoate — also sold as Reandron 1000, Testosterone ADVZ 1000, REJUNON 1000, Gonadron: uses, side effects, interactions, and safety considerations for people taking it or caring for someone who is.
testosterone undecanoate (brand names: Reandron 1000, Testosterone ADVZ 1000, REJUNON 1000, Gonadron) is classified as Low risk (1 risk points) by AllMeds. It is a S4 medication under the TGA in Australia. Long-acting testosterone formulation with potential for mood changes but low workplace impairment risk.
Key Takeaways
- TGA Schedule: S4 in Australia
- Risk level: Low (1 points)
- PBS listed: Subsidised under the Australian Pharmaceutical Benefits Scheme
Scheduling and Classification
| Jurisdiction | Classification | Status |
|---|---|---|
| Australia (TGA) | S4 | PBS listed |
Risk Profile
Long-acting testosterone formulation with potential for mood changes but low workplace impairment risk.
How testosterone undecanoate is regulated
testosterone undecanoate is overseen by medicines regulators in each country. The rules below explain how it's scheduled, what oversight applies, and what to discuss with your doctor or pharmacist before starting, changing, or stopping this medication.
Australia TGA / PBS / State Schemes
Classified as S4 under the Therapeutic Goods Administration (TGA).
Listed on the Pharmaceutical Benefits Scheme (PBS) for subsidised prescribing.
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Important: This page is general health information, not personal medical advice. If you have questions about your medication — including starting it, stopping it, changing the dose, or combining it with something else — speak with your doctor or pharmacist. For an emergency or suspected overdose, call your local emergency number or poison information service immediately. Information is drawn from regulator and clinical guideline sources (TGA, FDA, MHRA, NICE, PBS, CDC); see our methodology for details.