Cytoxan (chemical name: cyclophosphamide) is a chemotherapy drug.

Brand name: Cytoxan

Chemical name: Cyclophosphamide

Class: Alkylating agent chemotherapy. Thiotepa is another alkylating agent.

How it works: Alkylating agents weaken or destroy breast cancer cells by damaging the cells’ genetic material.

Uses: Cytoxan usually is given in combination with other chemotherapy medicines. It's typically used:

  • after surgery and other treatments to reduce the risk of early-stage breast cancer coming back

  • before surgery to shrink large advanced-stage breast cancer tumors

  • after surgery and other treatments to treat advanced-stage breast cancer

How it's given: Cytoxan can be taken orally as a pill or given intravenously.

Side effects:

— Last updated on July 27, 2022, 1:53 PM

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