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MEDICINE MONOGRAPH CODE: [4.24]-C20 ID: TIP-MED-000290

Oral Glucose

Active Ingredient / Scientific Identity: Oral Glucose • Class: Hyperglycaemic Glycogenolytic Hormone & Emergency Carbohydrate Rescue (Schedule H | NLEM 2022 | EMERGENCY)

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Generic / Entity NameOral Glucose ([4.24]-C20)
Verified Indian Brands / RefGeneric Compendial Entry (No Commercial Brand Claimed)
Pharmacological ClassHyperglycaemic Glycogenolytic Hormone & Emergency Carbohydrate Rescue (Schedule H | NLEM 2
Available Dosage FormsGlucaGen HypoKit: 1 mg (1 IU) lyophilised powder + 1 mL sterile water syringe for IM/SC injection. IV Ampoules
Regulatory ClassificationSchedule H & Schedule G Prescription Drug ('Caution: It is dangerous to take this pre
Key Warning & Review DateRenal & Hepatic: In CKD or cirrhosis with Sulfonylurea hypoglycaemia, always admit for continuous 10% IV Dextrose monitoring
Reviewed: 2026-11-10
Safety Matrix:⚖️ Legal Status: Schedule H & Schedule G Prescription Drug ('Caution:✔️ Standard Clinical Dispensing Precautions

1. Clinical & Scientific Overview

Oral Glucose (TIP-MED-000290, Reference Code [4.24]-C20) is classified under Antidiabetic Medicines, Insulins & GLP-1 Agonists (Ch 04) as a Hyperglycaemic Glycogenolytic Hormone & Emergency Carbohydrate Rescue (Schedule H | NLEM 2022 | EMERGENCY). 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).

Verified Indian Market Examples / Compendial Status:
Co-indexed constituent under primary monograph [4.24] (Glucagon & Oral / Intravenous Dextrose (Acute Severe Hypoglycaemia Protocol)). Representative Indian Market Examples (Edition 2.7 Ch 04 [4.24], p. 56): Glucagon: GlucaGen HypoKit 1 mg (Novo Nordisk). Oral Glucose: Glucon-D, Dexorange Glucose Tablets. IV Dextrose: 25% Dextrose (25D — 25 g/100mL), 10% Dextrose (10D) — Strengths & Dosage Forms: GlucaGen HypoKit: 1 mg (1 IU) lyophilised powder + 1 mL sterile water syringe for IM/SC injection. IV Ampoules/Bottles: 25% Dextrose (100 mL), 50% Dextrose (50 mL)
Co-indexed constituent under primary monograph [4.24] (Glucagon & Oral / Intravenous Dextrose (Acute Severe Hypoglycaemia Protocol)). Representative Indian Market Examples (Edition 2.7 Ch 04 [4.24], p. 56): Glucagon: GlucaGen HypoKit 1 mg (Novo Nordisk). Oral Glucose: Glucon-D, Dexorange Glucose Tablets. IV Dextrose: 25% Dextrose (25D — 25 g/100mL), 10% Dextrose (10D) — Strengths & Dosage Forms: GlucaGen HypoKit: 1 mg (1 IU) lyophilised powder + 1 mL sterile water syringe for IM/SC injection. IV Ampoules/Bottles: 25% Dextrose (100 mL), 50% Dextrose (50 mL)
Dosage Forms & Available Strengths:
GlucaGen HypoKit: 1 mg (1 IU) lyophilised powder + 1 mL sterile water syringe for IM/SC injection. IV Ampoules/Bottles: 25% Dextrose (100 mL), 50% Dextrose (50 mL)
Routes: Oral / Parenteral / Topical per formulation

3. Mechanism of Action & Pharmacodynamics

Hyperglycaemic Glycogenolytic Hormone & Emergency Carbohydrate Rescue (Schedule H | NLEM 2022 | EMERGENCY) acting on target receptor/enzyme pathways in Antidiabetic Medicines, Insulins & GLP-1 Agonists (Ch 04): clinical efficacy is mediated via Hyperglycaemic Glycogenolytic Hormone & Emergency Carbohydrate Rescue (Schedule H | NLEM 2022 | EMERGENCY) for Emergency reversal of severe hypoglycaemia (capillary blood glucose <54–70 mg/dL with neuroglycopenia, confusion, seizures, or unconsciousness) in patients on Insulin or Sulfonylureas.

4. Therapeutic Indications & Evidence-Supported Uses

  • Emergency reversal of severe hypoglycaemia (capillary blood glucose <54–70 mg/dL with neuroglycopenia, confusion, seizures, or unconsciousness) in patients on Insulin or Sulfonylureas

🇮🇳 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: Conscious Patient (Rule of 15): 15–20 g fast-acting pure oral glucose (3–4 heaped teaspoons of Glucon-D in water), recheck CBG at 15 min, repeat if <70 mg/dL, then give complex carb snack. Unconscious / Unable to Swallow: Glucagon 1 mg IM/SC into anterolateral thigh (0.5 mg if child <25 kg). Hospital IV: 25% Dextrose 50–100 mL (12.5–25 g) slow IV push, followed by 10% Dextrose infusion

Administration & Meal Timing: Administer immediately upon recognition of hypoglycaemia; once consciousness returns (10–15 min after Glucagon), MUST give oral carbohydrate snack to replenish depleted liver glycogen! | STAT Emergency Rescue

6. Pharmacokinetics, Metabolism & Renal/Hepatic Adjustment

Absorption & Disposition:
Follows class pharmacokinetic profile detailed in parent monograph [4.24].
Metabolism & Biotransformation:
Renal & Hepatic: In CKD or cirrhosis with Sulfonylurea hypoglycaemia, always admit for continuous 10% IV Dextrose monitoring
Elimination & Renal Adjustment:
Renal & Hepatic: In CKD or cirrhosis with Sulfonylurea hypoglycaemia, always admit for continuous 10% IV Dextrose monitoring
Hepatic Impairment Considerations:
Renal & Hepatic: In CKD or cirrhosis with Sulfonylurea hypoglycaemia, always admit for continuous 10% IV Dextrose monitoring

7. Contraindications, Precautions & High-Risk Warnings

Contraindications & Red-Flag Precautions:
  • NEVER pour oral liquids, honey, or sugar water into the mouth of an unconscious or seizing patient (aspiration asphyxiation!). Glucagon is INEFFECTIVE in starvation, chronic alcoholism, adrenal insufficiency, or severe cirrhosis because hepatic glycogen stores are already depleted (use IV Dextrose!)

Key Clinical Precautions: Renal & Hepatic: In CKD or cirrhosis with Sulfonylurea hypoglycaemia, always admit for continuous 10% IV Dextrose monitoring

8. Adverse Effects Profile

Common & Mechanism-Related Adverse Effects:
  • Nausea and vomiting (very common upon waking after Glucagon injection — place unconscious patient in lateral recovery position!), transient tachycardia/BP rise
  • Rebound recurrent hypoglycaemia if follow-up oral carbohydrate meal is omitted after Glucagon wears off (half-life 20–30 min); thrombophlebitis/extravasation necrosis with 25%/50% IV Dextrose
Serious / Dose-Limiting Adverse Effects:

    9. Major Drug–Drug, Drug–Food & Drug–Herb Interactions

    • Beta-blockers blunt the hyperglycaemic response to Glucagon and cause transient hypertension; Glucagon potentiates Warfarin anticoagulant effect

    10. Clinical Monitoring, Patient Counselling & Storage

    Clinical & Laboratory Monitoring: Monitor clinical parameters per parent monograph [4.24].

    Pharmacist Patient Counselling Points:

    • Patient Counselling Checklist: Teach family members of every T1DM and high-risk Insulin/SU patient how to reconstitute GlucaGen HypoKit, inject into the outer thigh, turn the patient onto their side, and give a biscuit/sandwich as soon as they wake up
    • Meal & Clock Timing Instruction: Administer immediately upon recognition of hypoglycaemia; once consciousness returns (10–15 min after Glucagon), MUST give oral carbohydrate snack to replenish depleted liver glycogen! (STAT Emergency Rescue)
    • Missed Dose Protocol: Not applicable (emergency rescue)
    • Geriatric Dispensing Pearl: Any Sulfonylurea-induced severe hypoglycaemia in an older adult requires hospital admission for 24–48h glucose monitoring and immediate deprescribing of the Sulfonylurea

    Storage, Stability & Dispensing Safeguards: COLD CHAIN MANDATORY (2°C–8°C): Store in a pharmaceutical refrigerator between 2°C and 8°C; DO NOT FREEZE. Protect from light and heat during dispensing.

    11. Visual Pharmacology & Mechanism Diagram (svg-v339-01-adme-12-step-journey)

    THE 12-STEP ORAL DRUG JOURNEY THROUGH THE HUMAN BODY (LADME) Note: IV bolus enters Step 6 directly (F = 100%); Sublingual & Transdermal routes bypass Step 4–5 Portal First-Pass Metabolism 1. Oral Administration • Tablet / Capsule swallowed • Gastric emptying to duodenum pH 1.5–3.5 (Stomach) 2. Disintegration & Dissolution • Tablet breaks into granules • API dissolves in GI fluid Noyes-Whitney Dissolution Rate 3. GI Epithelial Absorption • Crosses intestinal villi • Passive / Active / P-gp efflux Small Intestine (Large Surface Area) 4. Portal Circulation • Mesenteric veins → Portal vein • Delivers blood to liver sinusoids Pre-systemic Venous Conduit 5. First-Pass Metabolism • Gut & hepatic CYP450 extraction • High: GTN, Propranolol, Morphine Determines Bioavailability (F = f_a × (1-E_H)) 6. Systemic Circulation • Hepatic vein → IVC → Heart • Unbound vs Albumin-bound drug Only FREE drug is active 7–8. Tissue Distribution (Vd) • Capillary permeation to organs • Blood-Brain & Placental barriers Vd = Dose / C_0 (L or L/kg) 9. Target Site of Action • Receptors (GPCR, Ion channel) • Enzymes & Carrier Transporters Pharmacodynamic Effect (E_max, EC50) 10. Hepatic Biotransformation • Phase I (CYP450 Oxidation/Hydrolysis) • Phase II (Glucuronidation/Sulfation) Converts lipophilic drug → hydrophilic metabolite 11. Renal & Biliary Elimination • Nephron: Filtration + Secretion − Reabsorption • Biliary excretion & Enterohepatic recycling Total Clearance CL_tot = CL_renal + CL_hepatic 12. Excretion from the Body • Urine (Primary polar metabolite route) • Bile/Faeces, Expired Air, Sweat, Milk Elimination Half-Life t1/2 = (0.693 × Vd) / CL
    svg-v339-01-adme-12-step-journey — 8.1 Complete 12-Step Journey of an Orally Administered Drug (ADME): Figure 8.1: The 12-step physiological journey of a typical orally administered solid dosage form through Liberation, Absorption, Distribution, Metabolism, and Excretion (LADME). Note: Parenteral (IV), sublingual, and inhalational routes bypass gastrointestinal absorption and/or hepatic first-pass metabolism.

    12. Authoritative References, Regulatory Sources & Editorial Disclaimer

    Primary Compendial & Guideline Reference: Indian Pharmacopoeia (IP 2022) • NFI • CDSCO

    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: VERIFIED_EDUCATIONAL_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.