Overview of Hidroxiurea
| Property | Description |
|---|---|
| Active Ingredient | Hydroxycarbamide (CH₄N₂O₂) |
| Form | Oral capsules or tablets |
| Pharmacological Class | Antineoplastic agent (Antimetabolite) |
| Common Use | Management of conditions with abnormal cell growth |
| Origin | Synthetic |
What is Hydroxycarbamide and What Type of Drug Is It?
Hidroxiurea is a synthetic prescription-only medicine defined by its active ingredient, Hydroxycarbamide, which is chemically a hydroxy-substituted derivative of urea. Pharmacologically, the medicine is classified as an antineoplastic agent (a cytotoxic drug) and a specific type of antimetabolite. This classification indicates that the compound works at the cellular level to manage diseases driven by abnormal or excessive cell growth. Clinically recognized for its role in modifying cell behavior, Hydroxyurea is a ribonucleotide reductase inhibitor. This mechanism principle explains the drug's fundamental ability to interfere with cell production. As a synthetic compound, it is entirely manufactured through chemical processes.
Composition and General Purpose
The medicine is typically available for oral administration as a single active ingredient product, most commonly formulated into oral capsules or tablets. This format establishes it as a systemically active drug taken by mouth, distinguishing it from agents administered by injection. The primary general purpose of Hidroxiurea is to control and manage the excessive proliferation of specific cell populations in the body. Its main function is to inhibit DNA synthesis by acting as a highly specific inhibitor of the enzyme ribonucleotide reductase. This targeted action interferes with the building blocks necessary for new DNA, effectively stopping the ability of targeted cells to replicate themselves. This fundamental inhibitory process is central to its therapeutic application in managing rapid cell turnover.
Regulatory References

