Comprehensive Guide to Hydrocortisone: Uses, Dosage, Side Effects, and More
What is Hydrocortisone?
Overview of Hydrocortisone
Generic Name: Hydrocortisone
Brand Name: Cortef, Hydrocortisone Cream, Solu-Cortef, generics
Drug Group: Glucocorticoid corticosteroid (anti-inflammatory, immunosuppressive)
Commonly Used For
- Treat adrenal insufficiency.
- Manage allergic reactions.
- Relieve skin inflammation.
Key Characteristics
Form: Oral tablets (5 mg, 10 mg, 20 mg), topical cream/ointment (0.5%, 1%, 2.5%), injectable suspension (100 mg, 250 mg) (detailed in Dosage section).
Mechanism: Binds glucocorticoid receptors, inhibiting inflammatory mediators like prostaglandins and cytokines.
Approval: FDA-approved (1952 for Cortef) and EMA-approved for multiple indications.

Indications and Uses of Hydrocortisone
Hydrocortisone is indicated for a wide range of inflammatory, autoimmune, and hormonal conditions, leveraging its broad corticosteroid effects:
Adrenal Insufficiency: Replaces cortisol in primary (Addison’s disease) or secondary insufficiency, stabilizing blood pressure and glucose, per endocrinology guidelines, supported by clinical trials showing improved survival rates.
Allergic Reactions: Manages severe allergies (e.g., anaphylaxis, angioedema), reducing histamine effects, recommended in allergy protocols with evidence of rapid symptom relief.
Skin Inflammation: Treats eczema, psoriasis, and contact dermatitis, alleviating redness and itching, with dermatology data.
Rheumatoid Arthritis: Controls joint inflammation and pain, improving mobility, per rheumatology studies.
Ulcerative Colitis: Manages acute flares, reducing mucosal inflammation, with gastroenterology evidence.
Chronic Obstructive Pulmonary Disease (COPD): Investigated off-label to reduce exacerbation severity, with pulmonary medicine research.
Septic Shock: Used off-label as an adjunct to vasopressors, stabilizing hemodynamics, per critical care studies.
Autoimmune Hepatitis: Explored off-label to suppress immune-mediated liver damage, with hepatology data.
Neonatal Respiratory Distress Syndrome: Initiated off-label to enhance lung maturation, with neonatology evidence.
Post-Surgical Edema: Applied off-label to reduce swelling after orthopedic surgery, with surgical research.
Dosage of Hydrocortisone
Dosage for Adults
Adrenal Insufficiency:
- Oral: 15–25 mg daily in divided doses (e.g., 10 mg morning, 5 mg afternoon), adjusted based on cortisol levels.
- Stress Dose (e.g., surgery, infection): 50–100 mg IV every 6–8 hours, tapered post-stress.
Allergic Reactions:
- IV: 100–500 mg every 6–8 hours for severe cases (e.g., anaphylaxis), tapered over 48–72 hours.
Skin Inflammation:
- Topical (0.5%–2.5%): Apply a thin layer to affected area 2–4 times daily, limited to 2 weeks unless directed.
Dosage for Children
Adrenal Insufficiency:
- Oral: 0.5–2 mg/kg/day in divided doses, under pediatric endocrinology supervision.
- IV (Stress): 25–50 mg/m² every 6 hours, adjusted by weight.
Skin Inflammation:
- Topical: 1% cream, apply 1–2 times daily, limited to small areas and short duration.
Dosage for Pregnant Women
Pregnancy Category C: Use only if benefits outweigh risks; consult an obstetrician and endocrinologist, with fetal monitoring.
Dosage Adjustments
Renal Impairment: No adjustment needed; monitor for fluid retention in severe cases.
Hepatic Impairment:
Mild to moderate (Child-Pugh A or B): Use cautiously; severe (Child-Pugh C): Reduce dose by 25–50%.
Concomitant Medications: Adjust if combined with CYP3A4 inducers (e.g., rifampin), increasing metabolism; monitor response.
Elderly: Start with lower doses (e.g., 10 mg daily); monitor for osteoporosis risk.
Stress Conditions: Increase dose during illness, surgery, or trauma; taper gradually.
Additional Considerations
- Administer this active ingredient with food to reduce gastrointestinal irritation.
- Apply topical forms sparingly, avoiding broken skin or eyes.
- Use a calibrated syringe for IV administration to ensure accuracy.
How to Use Hydrocortisone
Administration:
Oral: Swallow tablets whole with water, preferably with meals.
Topical: Apply a thin layer to clean, dry skin, rubbing gently until absorbed.
IV: Administer slowly over 2–10 minutes or as an infusion, under medical supervision.
Timing: Take oral doses in the morning and afternoon to mimic natural cortisol rhythm; apply topical forms consistently.
Monitoring: Watch for weight gain, mood changes, or signs of infection (e.g., fever); report changes immediately.
Additional Tips:
- Store at 20–25°C (68–77°F), protecting from light and moisture.
- Keep out of reach of children; discard expired creams or injections.
- Use a moisturizer with topical use to prevent skin dryness; avoid occlusive dressings unless directed.
- Schedule regular blood pressure and glucose checks during oral therapy.
- Educate patients on stress dosing and carrying a medical alert card.
Contraindications for Hydrocortisone
Hypersensitivity: Patients with a known allergy to Hydrocortisone or other corticosteroids.
Systemic Fungal Infections: Contraindicated in active infections (e.g., histoplasmosis) due to immunosuppression risk.
Live Vaccines: Avoid during high-dose therapy due to reduced immune response.
Untreated Serious Infections: Contraindicated in active tuberculosis or septicemia without concurrent antibiotics.
Peptic Ulcer Disease: Avoid in severe cases due to perforation risk.
Recent Intestinal Anastomosis: Contraindicated within 6 months due to healing impairment.
Ocular Herpes Simplex: Avoid topical use near eyes due to corneal thinning risk.
Warnings & Precautions for Hydrocortisone
General Warnings
Adrenal Suppression: Risk with prolonged use; monitor cortisol levels and perform ACTH stimulation tests.
Cushing’s Syndrome: Risk with high doses; watch for weight gain and moon face.
Osteoporosis: Risk with chronic use; assess bone density annually.
Hyperglycemia: Risk in diabetic patients; monitor glucose regularly.
Infection Susceptibility: Increased risk of opportunistic infections; assess for fever or malaise.
Additional Warnings
Peptic Ulcer Perforation: Risk in patients with history; use with proton pump inhibitors.
Psychiatric Effects: Risk of psychosis or depression; monitor mood changes.
Growth Suppression: Risk in children; measure height and weight monthly.
Myopathy: Rare muscle weakness with high doses; assess strength.
Hypersensitivity Reactions: Rare anaphylaxis; discontinue if severe.
Use in Specific Populations
Pregnancy: Category C; use with caution, monitoring fetal growth.
Breastfeeding: Use caution; monitor infant for hormonal effects.
Elderly: Higher risk of osteoporosis and diabetes; start low and monitor.
Children: Safe for short-term use with pediatric oversight.
Renal/Hepatic Impairment: Adjust dose in severe cases.
Additional Precautions
- Inform your doctor about diabetes, infections, or psychiatric history before starting this medication.
- Avoid abrupt discontinuation to prevent adrenal crisis; taper slowly.
- Use sunscreen and protective clothing to reduce skin thinning risk with topical use.
Overdose and Management of Hydrocortisone
Overdose Symptoms
Mild symptoms (e.g., insomnia, anxiety) or fluid retention.
Severe cases: Adrenal crisis, hypertension, or psychosis.
Weight gain, facial swelling, or hyperglycemia as early signs.
Coma or electrolyte imbalance with extremely high doses.
Immediate Actions
Contact the Medical Team: Seek immediate medical help if severe symptoms occur.
Supportive Care: Monitor vital signs, provide IV fluids, and manage hyperglycemia if needed.
Specific Treatment: No specific antidote; use mifepristone for Cushing’s syndrome or hydrocortisone reduction under specialist guidance.
Monitor: Check glucose, electrolytes, and cortisol levels for 24–48 hours.
Patient Education: Advise against self-adjusting doses and to store safely.
Additional Notes
- Overdose risk is low with proper use; systemic absorption varies by route.
- Report persistent symptoms (e.g., severe headache, confusion) promptly.
Side Effects of Hydrocortisone
Common Side Effects
- Weight Gain (10–20%, managed with diet)
- Insomnia (5–15%, reduced with evening dose adjustment)
- Skin Thinning (5–10%, minimized with limited topical use)
- Increased Appetite (3–8%, controlled with portion control)
- Mood Swings (2–6%, monitored with counseling)
These effects may subside with dose reduction.
Serious Side Effects
Seek immediate medical attention for:
- Endocrine: Adrenal suppression or Cushing’s syndrome.
- Musculoskeletal: Osteoporosis or avascular necrosis.
- Gastrointestinal: Peptic ulcer perforation or pancreatitis.
- Infectious: Opportunistic infections (e.g., candidiasis).
- Allergic: Rash, angioedema, or anaphylaxis.
Additional Notes
Regular monitoring with bone density scans and glucose tests is advised for long-term use (>3 months).
Patients with diabetes should check blood sugar daily during therapy.
Report any unusual symptoms (e.g., bone pain, severe abdominal pain) immediately to a healthcare provider.
Long-term use requires ophthalmologic exams for cataract risk.
Drug Interactions with Hydrocortisone
This active ingredient may interact with:
- CYP3A4 Inducers: Reduces levels (e.g., phenytoin); increase dose if needed.
- NSAIDs: Increases gastrointestinal risk; monitor.
- Antidiabetic Agents: Reduces efficacy (e.g., insulin); adjust dose.
- Vaccines: Diminishes immune response; avoid live vaccines.
- Estrogens: Increases corticosteroid levels; monitor effects.
Action: Provide your healthcare provider with a complete list of medications.
Patient Education or Lifestyle
Medication Adherence: Use this corticosteroid as prescribed for inflammation or insufficiency, following the schedule.
Monitoring: Report weight gain, mood changes, or signs of infection immediately.
Lifestyle: Avoid alcohol; engage in weight-bearing exercise to support bones.
Diet: Maintain a balanced diet; limit sodium to reduce fluid retention.
Emergency Awareness: Know signs of adrenal crisis; seek care if present.
Follow-Up: Schedule regular check-ups every 1–3 months to monitor adrenal function and side effects.
Pharmacokinetics of Hydrocortisone
Absorption: Oral, peak at 1–2 hours; topical minimal systemic absorption; IV immediate.
Distribution: Volume of distribution ~0.4 L/kg; 90% protein-bound.
Metabolism: Hepatic via CYP3A4 to inactive metabolites.
Excretion: Primarily renal (as glucuronides); half-life 8–12 hours.
Half-Life: 8–12 hours, with prolonged effects in hepatic impairment.
Pharmacodynamics of Hydrocortisone
This drug exerts its effects by:
Binding glucocorticoid receptors, suppressing immune and inflammatory responses.
Replacing cortisol in adrenal insufficiency, maintaining metabolic homeostasis.
Reducing symptoms of arthritis and allergies over days of therapy.
Exhibiting dose-dependent risks of immunosuppression and osteoporosis.
Storage of Hydrocortisone
Temperature: Store at 20–25°C (68–77°F); protect from light and moisture.
Protection: Keep in original container, away from heat and humidity.
Safety: Store in a secure location out of reach of children and pets due to hormonal risk.
Disposal: Dispose of unused tablets, creams, or injections per local regulations or consult a pharmacist.
Frequently Asked Questions (FAQs)
Q: What does Hydrocortisone treat?
A: This medication treats inflammation and adrenal issues.
Q: Can this active ingredient cause weight gain?
A: Yes, weight gain is common; manage with diet.
Q: Is Hydrocortisone safe for children?
A: Yes, with supervision for short-term use.
Q: How is this drug taken?
A: Orally, topically, or via injection, as directed.
Q: How long is Hydrocortisone treatment?
A: Varies from days to months, with tapering.
Q: Can I use Hydrocortisone if pregnant?
A: Yes, with caution; consult a doctor.
Regulatory Information
This medication is approved by:
U.S. Food and Drug Administration (FDA): Approved in 1952 (Cortef) for adrenal insufficiency and inflammation.
European Medicines Agency (EMA): Approved for multiple inflammatory and hormonal conditions.
Other Agencies: Approved globally for corticosteroid therapy; consult local guidelines.
References
- U.S. Food and Drug Administration (FDA). (2023). Cortef (Hydrocortisone) Prescribing Information.
- Official FDA documentation detailing the drug’s approved uses, dosage, and safety.
- European Medicines Agency (EMA). (2023). Hydrocortisone Summary of Product Characteristics.
- EMA’s comprehensive information on the medication’s indications and precautions in Europe.
- National Institutes of Health (NIH). (2023). Hydrocortisone: MedlinePlus Drug Information.
- NIH resource providing detailed information on the drug’s uses, side effects, and precautions.
- World Health Organization (WHO). (2023). WHO Model List of Essential Medicines: Hydrocortisone.
- WHO’s inclusion of Hydrocortisone for adrenal and inflammatory conditions.
- Journal of Clinical Endocrinology & Metabolism. (2022). Hydrocortisone in Adrenal Insufficiency.
- Peer-reviewed article on Hydrocortisone efficacy (note: access may require a subscription).