Overview of Prax
What is Prax? (Prasterone)
| Property | Description |
|---|---|
| Active ingredient | Prasterone (Dehydroepiandrosterone or DHEA) |
| Form | Vaginal insert (Pessary/Ovule) |
| Pharmacological class | Steroid, Prohormone, Miscellaneous Sex Hormones |
| Common use | Supporting mucosal integrity and function |
| Origin | Synthetic equivalent of an endogenous steroid |
Prasterone: What Type of Medicine Is It?
Prasterone is the active ingredient and generic name for a medication classified as an endogenous steroid and prohormone, belonging to the Miscellaneous Sex Hormones pharmacological class. This pharmaceutical entity is chemically identical to Dehydroepiandrosterone (DHEA), a steroid naturally produced by the human body. The drug is synthesized to provide a pharmaceutical-grade equivalent of the endogenous substance. As a prohormone, Prasterone is a precursor that is largely inactive until it undergoes localized conversion into active hormones within target tissues, defining its functional role as a hormonal building block.
Composition, Form, and Localized Delivery
The medication is a single-active-ingredient product delivered as a specialized vaginal insert, designed for intravaginal administration. The active component is stabilized within a hard fat matrix that ensures precise, controlled release of Prasterone upon melting at body temperature. This specific delivery method is crucial for ensuring highly localized action and minimizes the potential for systemic exposure. Its prescription-only status and specific administration route differentiate it from over-the-counter DHEA supplements, which are often oral capsules.
Why a Local Steroid Precursor Matters
The general purpose of this localized steroid precursor is the restoration of mucosal integrity, promoting the health and structural function of the vaginal tissue. Prasterone works by undergoing intracellular conversion within the cells of the vaginal lining, where it is metabolized into small amounts of both androgens and estrogens. This mechanism is clinically recognized for supporting tissue health, particularly in the context of postmenopausal symptoms. By locally supplying these hormonal building blocks through this tissue-specific action, the medication supports the physiological maintenance of tissue elasticity and thickness.
Regulatory References

