Fludrocortisone (Acetate)
Also known as: Fluohydrisone Acetate, Fluohydrocortisone Acetate, Fluorohyolrocortisone Acetate
Fludrocortisone (Acetate) is a potent steroid with both glucocorticoid and mineralocorticoid activity. Fludrocortisone (Acetate) is the most widely used mineralocorticoid. Chemically Fludrocortisone (Acetate) is identified as 9-Fluoro-11ß, 17, 21-trihydroxypregn-4-ene-3, 20-dione 21-acetate. It acts on the kidneys to retain sodium and increases the excretion of potassium in the urine. Fludrocortisone (Acetate) is used in the treatment of addison's disease.
Primary Characteristics
Fludrocortisone (Acetate) is also known as Fluohydrisone Acetate, Fluohydrocortisone Acetate, Fluorohyolrocortisone Acetate.
It is of Synthetic origin and belongs to Steroid.
It belongs to Mineralocorticoid agonist pharmacological group on the basis of mechanism of action and also classified in Corticosteroid Adrenal pharmacological group.
Molecular Weight: 422.5 · Solubility in Water: Insoluble · Solubility in Alcohol: 1 in 50 · Non-proprietary name: Fludrocortisone (Acetate).

Pharmacokinetics
Absorption: Fludrocortisone (Acetate) has an oral bioavailability is 97% (±2%), pre-systemic (first-pass) metabolism accounts for 90%.
Distribution: Fludrocortisone (Acetate) has a plasma protein binding is 75%.
Elimination: it is metabolised via Hepatic, plasma half-life is 0.5hr, renal excretion is 80%.
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Indications
Fludrocortisone (Acetate) is primarily indicated in conditions like Adrenal insufficiency, As an antidote to methotrexate, Congenital adrenal hyperplasia, Electrolyte disorder, Mineralocorticoid replacement in adrenocortical insuffenciency, Orthostatic hypotension, Peripheral ischaemia.
Contraindications
Fludrocortisone (Acetate) is contraindicated in conditions like Hypertension, Hypokalaemia, Hypoalbuminaemia, Fluid retention.
Dosage
Fludrocortisone (Acetate)'s dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 0.05 – 0.2 mg | — | Every 24h | PO | Initially in Morning |
| 0.1 – 0.2 mg | — | Every 24h | PO | Maintenance, As Required |
| 0.1 % | 0.1 % | — | Topical | |
| Paediatric Dosage (20kg) | ||||
| 5 ug/kg | 5 ug/kg | Every 24h | Oral | - |
| Neonatal Dosage (3kg) | ||||
| 5 ug/kg | 5 ug/kg | Every 24h | Oral | |
Drug Interactions
Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Side Effects
Fludrocortisone (Acetate) in overdosage may give rise to further complications which include Diabetogenesis , Myopathy , Impaired immune response , Peptic ulceration , Adrenal suppression .
Fludrocortisone (Acetate) produces potentially life-threatening effects which include Myocardial infarction, Cardiac failure, Cardiac stroke. Careful monitoring is needed with proper medical management.
The signs and symptoms that are produced after acute overdosage of Fludrocortisone (Acetate) are Fluid retension, Cardiac enlargement, Pleural effusion, Edema.
Fludrocortisone (Acetate) is known to cause more or less tolerable side effects which are usually transient. These include Edema, Headache, Hypokalemia , Muscle weakness.
Warnings / Precautions
Interference in Pathology
Fludrocortisone (Acetate) may interfere in the diagnosis of false-negative result with nitrobluetetrazolium test for bacterial infection.
Available Brands
None recorded.
Storage Conditions
Drug Classification
- 1.18.1 — Corticosteroids, systemic