fludrocortisone (Florinef)

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Charles Patrick Davis, MD, PhD
    Charles Patrick Davis, MD, PhD

    Charles Patrick Davis, MD, PhD

    Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.

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GENERIC NAME: fludrocortisone acetate

DISCONTINUED BRANDS: Florinef

DRUG CLASS AND MECHANISM: Fludrocortisone is a man-made oral corticosteroid. It is derived from hydrocortisone, but is more potent than hydrocortisone. The effects of fludrocortisone including its effect on electrolyte balance and carbohydrate metabolism are stronger and prolonged in comparison to hydrocortisone.

Fludrocortisone mimics the actions of aldosterone which is a steroid that is naturally produced by the body. The physiological effects of fludrocortisone are dose dependent. Small oral doses of fludrocortisone cause an increase in blood pressure, sodium retention, and increases urinary potassium excretion. Larger doses of fludrocortisone inhibit the secretion of hormones from the adrenal gland. Fludrocortisone was initially approved by the US Food and Drug Administration (FDA) in 1954. The first generic fludrocortisone tablet was approved by the FDA in March 2002.

PRESCRIBED FOR: Oral fludrocortisone is used as the partial replacement therapy for primary and secondary adrenocortical insufficiency in Addison's disease. It is also prescribed for the treatment of salt losing adrenogenital syndrome or congenital adrenal hyperplasia.

SIDE EFFECTS: Reported side effects include:

Fludrocortisone may increase the risk of infections.

Medically Reviewed by a Doctor on 9/29/2015

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