1. Clinical & Scientific Overview
Hydrocortisone (TIP-MED-000095, Reference Code [6.5]) is classified under
Thyroid, Pituitary, Adrenal & Hormonal Medicines (Ch 06) as a Short-Acting Physiological Corticosteroid (Balanced 1:1 Glucocorticoid & Mineralocorticoid Activity).
Within the Indian regulatory and compendial framework, it is governed under Schedule H & Schedule G Prescription Drug ('Caution: It is dangerous to take this preparation except under medical supervision' — Drugs Rules 1945).
Representative Indian Market Examples (Edition 2.7 Ch 06 [6.5], p. 74): Oral Replacement Tablets: Hisone (Samarth—5 mg, 10 mg, 20 mg), Cort-S; Parenteral Emergency Injection (Hydrocortisone Sodium Succinate): Primacort 100 mg / 200 mg (Macleods), Efcorlin (GSK) — Strengths & Dosage Forms: Oral Uncoated Scored Tablets: 5 mg, 10 mg, 20 mg; Lyophilised Powder for IV/IM Injection: 100 mg, 200 mg, 500 mg vials
Oral Uncoated Scored Tablets: 5 mg, 10 mg, 20 mg; Lyophilised Powder for IV/IM Injection: 100 mg, 200 mg, 500 mg vials
3. Mechanism of Action & Pharmacodynamics
Short-Acting Physiological Corticosteroid (Balanced 1:1 Glucocorticoid & Mineralocorticoid Activity) acting on target receptor/enzyme pathways in Thyroid, Pituitary, Adrenal & Hormonal Medicines (Ch 06): clinical efficacy is mediated via Short-Acting Physiological Corticosteroid (Balanced 1:1 Glucocorticoid & Mineralocorticoid Activity) for Oral: Physiological hormone replacement in primary adrenal insufficiency (Addison's disease), secondary/pituitary adrenal insufficiency (Sheehan's syndrome, post-pituitary surgery), and congenital adrenal hyperplasia (CAH). Parenteral IV/IM: Acute adrenal crisis, refractory septic shock, status asthmaticus, severe anaphylaxis adjunct..
4. Therapeutic Indications & Evidence-Supported Uses
- Oral: Physiological hormone replacement in primary adrenal insufficiency (Addison's disease), secondary/pituitary adrenal insufficiency (Sheehan's syndrome, post-pituitary surgery), and congenital adrenal hyperplasia (CAH)
- Parenteral IV/IM: Acute adrenal crisis, refractory septic shock, status asthmaticus, severe anaphylaxis adjunct
🇮🇳 Jurisdiction & Indication Note: Indications and schedules reflect Indian compendial and regulatory records (CDSCO / Indian Pharmacopoeia & NFI / NLEM 2022). Where international reference labels (US FDA DailyMed / NCBI StatPearls) are cited for pharmacokinetic or mechanistic parameters, international approvals do not automatically imply CDSCO approval in India.
5. Educational Dosage Context, Formulations & Administration
Educational Dosing & Regimen Summary: General Adult Reference: Chronic Oral Adrenal Replacement: Typically 15 mg to 25 mg/day divided into 2 or 3 physiological doses to mimic circadian rhythm: e.g., 10 mg upon waking (07:00 AM) and 5 mg in the mid-afternoon (02:00–04:00 PM) (or 10 mg morning + 5 mg noon + 5 mg at 5 PM). (Note: 20 mg Hydrocortisone = 5 mg Prednisolone = 0.75 mg Dexamethasone). Follow endocrinologist prescription.
Administration & Meal Timing: Oral tablets: Take with food or milk. | Split Circadian Dosing: Larger dose (2/3) immediately in the morning, smaller dose (1/3) in the early-to-mid afternoon (not later than 04:00–05:00 PM, to avoid nocturnal cortisol excess and insomnia).
6. Pharmacokinetics, Metabolism & Renal/Hepatic Adjustment
Absorption, distribution, metabolism, and excretion follow class pharmacokinetic profile; verify patient renal/hepatic function.
Renal & Hepatic: Physiological replacement doses are safe and essential in CKD and liver disease.
Renal & Hepatic: Physiological replacement doses are safe and essential in CKD and liver disease.
Renal & Hepatic: Physiological replacement doses are safe and essential in CKD and liver disease.
7. Contraindications, Precautions & High-Risk Warnings
- Never omit or abruptly discontinue in adrenal insufficiency! In patients with panhypopituitarism (both cortisol and thyroid deficiency), Hydrocortisone MUST be started BEFORE Levothyroxine (giving levothyroxine first accelerates cortisol clearance and triggers fatal adrenal crisis!).
Key Clinical Precautions: Renal & Hepatic: Physiological replacement doses are safe and essential in CKD and liver disease.
8. Adverse Effects Profile
- At physiological replacement doses (15–20 mg/day), minimal adverse effects; excessive replacement causes weight gain, hypertension, peripheral oedema, mild hyperglycaemia, and bone loss.
- Addisonian Adrenal Crisis if doses are missed or not doubled during febrile illness, vomiting, trauma, or surgery (presents with profound shock, severe vomiting, abdominal pain, hyponatraemia, hyperkalaemia, and hypoglycaemia); peptic ulceration or opportunistic infection at supraphysiological doses.
- Monitor for severe hypersensitivity, organ toxicity, or dose-limiting adverse events.
9. Major Drug–Drug, Drug–Food & Drug–Herb Interactions
- CYP3A4 inducers (rifampicin, phenytoin, carbamazepine, phenobarbitone) accelerate hydrocortisone metabolism and can precipitate acute adrenal crisis unless replacement dose is doubled! NSAIDs increase GI ulcer risk
- Diuretics increase hypokalaemia
10. Clinical Monitoring, Patient Counselling & Storage
Clinical & Laboratory Monitoring: Monitor clinical response, baseline renal/hepatic parameters, and relevant serum biomarkers.
Pharmacist Patient Counselling Points:
- Patient Counselling Checklist: Mandatory 'Steroid Sick-Day Rules' for Adrenal Insufficiency Patients: 1. Rule of Doubling: During any intercurrent fever (>38°C), infection, tooth extraction, or moderate physical stress, double the daily oral hydrocortisone dose (e.g., from 10-0-5 mg to 20-0-10 mg) until recovery. 2. Emergency Injection Rule: If the patient develops vomiting or severe diarrhoea and cannot keep oral Hisone tablets down, they MUST receive an immediate 100 mg Intramuscular/IV Hydrocortisone injection (Primacort) and hospital care within 1–2 hours—delay is fatal! 3. Always carry a Steroid Emergency Alert Card in the wallet.
- Meal & Clock Timing Instruction: Oral tablets: Take with food or milk. (Split Circadian Dosing: Larger dose (2/3) immediately in the morning, smaller dose (1/3) in the early-to-mid afternoon (not later than 04:00–05:00 PM, to avoid nocturnal cortisol excess and insomnia).)
- Missed Dose Protocol: Take immediately upon remembering! Never skip a replacement dose.
- Geriatric Dispensing Pearl: Many elderly CGHS patients who have taken chronic oral or indigenous/unlabelled steroid powders for arthritis or asthma develop secondary adrenal suppression; ensure any patient on Hisone replacement understands sick-day doubling.
Storage, Stability & Dispensing Safeguards: Store below 25°C–30°C in original moisture- and light-resistant packaging out of reach of children. Available forms: Oral Uncoated Scored Tablets: 5 mg, 10 mg, 20 mg; Lyophilised Powder for IV/IM Injection: 100 mg, 200 mg, 500 mg vials
11. Visual Pharmacology & Mechanism Diagram (svg-v339-01-adme-12-step-journey)
12. Authoritative References, Regulatory Sources & Editorial Disclaimer
Primary Compendial & Guideline Reference: Indian Pharmacist Desk Reference — Professional Edition 2.7 (2026–27) • Ch 06 [6.5] (p. 74)
Official Verification Portals: Indian Pharmacopoeia Commission (IPC) & National Formulary of India (NFI) • Central Drugs Standard Control Organization (CDSCO) • Ministry of Health & Family Welfare — NLEM 2022 • NCBI Bookshelf / StatPearls Pharmacology Reference • DailyMed (US FDA Official Prescribing Reference)
Last Medically & Pharmaceutically Reviewed: 2026-11-10 • Verification Status: HANDBOOK_SOURCE_CONTENT
Educational & Clinical Disclaimer: This reference profile is published solely for pharmacy education, academic study, and professional clinical reference. It does not substitute for patient-specific clinical judgement, qualified specialist oncology/medical supervision, or official CDSCO/IP prescribing information. Never self-medicate with prescription, Schedule H/H1/X, NDPS, or oncology medicines.
13. Related Reference Monographs, Educational Guides & Visual Concept
💊 Related Pharmacological / Category Profiles
- [6.9] Norethisterone, Medroxyprogesterone Acetate & Dydrogesterone — Oral Synthetic Progestogens & Retroprogesterone (Schedule H | NLE
- [6.10] Combined Oral Contraceptives (Ethinylestradiol + Levonorgestrel / Desogestrel) & Centchroman (Ormeloxifene) — Combined Estrogen–Progestogen Hormonal Contraceptive & Non-Steroi
- [6.11] Letrozole, Clomiphene Citrate & Tamoxifen Citrate — Third-Generation Aromatase Inhibitor & Selective Estrogen Recepto
- [6.12] Cabergoline & Desmopressin Acetate — Ergot-Derived Dopamine D2 Receptor Agonist & Synthetic Vasopressi