{
  "schema_version": 1,
  "kind": "condition",
  "id": "angioedema",
  "name": "Acute allergic angioedema",
  "category": "chronic",
  "sources": "Resuscitation Council UK Anaphylaxis Guideline 2021 · Egyptian National Drug Formulary - Respiratory System 2026 (cetirizine monograph)",
  "review_status": "reviewed",
  "verified_against": "Resuscitation Council UK Anaphylaxis Guideline 2021 · Egyptian National Drug Formulary - Respiratory System 2026 (cetirizine monograph) · Acute allergic angioedema - disease-level clinical article (angioedema-clinical.txt)",
  "verified_date": "2026-08",
  "treatments": [
    {
      "id": 168,
      "generic": "Adrenaline",
      "line": 1,
      "is_adjunct": false,
      "form": "injection",
      "strength_mg": 1.0,
      "adult_dose": "0.5 mg IM (0.5 mL of 1:1000 / 1 mg/mL) into anterolateral mid-thigh; repeat after 5 minutes if airway involvement or hypotension persists",
      "adult_duration": "single dose",
      "dose_source": "Resuscitation Council UK Anaphylaxis Guideline 2021",
      "rationale": "First-line life-saving treatment for acute allergic angioedema with airway compromise or anaphylaxis",
      "cautions": [
        "MUST be given intramuscularly (IM) into mid-outer thigh, NOT intravenously (IV injection carries fatal cardiac arrhythmia risk).",
        "Call emergency services immediately for hospital transport.",
        "Transient pallor, tremor, palpitations, and anxiety are expected pharmacological effects."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": "Child: 0.01 mg/kg (0.01 mL/kg of 1:1000) IM into outer thigh (child <6y: 0.15 mg; 6-12y: 0.3 mg; >12y: 0.5 mg)",
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": null,
      "peds_doses": null,
      "brands": [
        {
          "trade_name": "EPINEPHRINE-MEMPHIS 1 MG/ML 5 I.M./S.C. AMP.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "MEMPHIS",
          "price_egp": 10.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 1.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "ADRENAMAX 1 MG/1ML 10 AMPS.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "CHEMIPHARM",
          "price_egp": 75.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 1.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "EPINEPHRINE-MISR 1 MG/ML 100 AMP.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "MISR",
          "price_egp": 750.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 1.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "ADRENALINE-CID 1 MG/1ML 100 I.M./S.C. AMP.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "CID",
          "price_egp": 850.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 1.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        }
      ],
      "condition_id": "angioedema"
    },
    {
      "id": 171,
      "generic": "Referral & safety-netting (no drug therapy)",
      "line": 1,
      "is_adjunct": false,
      "form": null,
      "strength_mg": null,
      "adult_dose": null,
      "adult_duration": null,
      "dose_source": "Angioedema - disease-level clinical article (angioedema-clinical.txt)",
      "rationale": "Carries the referral criteria and warning signs for this condition, which apply whichever treatment is chosen.",
      "cautions": [
        "RED FLAG - Laryngeal/airway involvement makes angioedema life-threatening. Airway compromise needs urgent airway management and hospital referral (intubation or surgical airway), not simply a repeat adrenaline dose at 5 minutes.",
        "RED FLAG - If the episode does not respond to epinephrine, an antihistamine and a corticosteroid, that itself is a red flag for bradykinin-mediated angioedema (e.g. ACE-inhibitor-induced or hereditary), which needs a different approach: stop the ACE inhibitor and never rechallenge, and refer for bradykinin-targeted therapy."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": null,
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": null,
      "peds_doses": null,
      "brands": [],
      "condition_id": "angioedema"
    },
    {
      "id": 169,
      "generic": "Cetirizine",
      "line": 1,
      "is_adjunct": true,
      "form": "oral.solid",
      "strength_mg": 10.0,
      "adult_dose": "10 mg once daily oral (or chlorphenamine 10 mg slow IV/IM in emergency setting)",
      "adult_duration": "3-5 days",
      "dose_source": "Egyptian National Drug Formulary - Respiratory System 2026 (cetirizine monograph)",
      "rationale": "Secondary adjunctive therapy after adrenaline",
      "cautions": [
        "Antihistamines DO NOT treat or prevent laryngeal edema or anaphylactic shock; adrenaline must be given first."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": "Child 2-5 years: 2.5 mg twice daily; 6-11 years: 5 mg twice daily; >=12 years: 10 mg once daily",
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": [
        {
          "label": "2 to under 6 years",
          "age_min_months": 24,
          "age_max_months": 71,
          "dose_text": "2.5 mg twice daily"
        },
        {
          "label": "6 to under 12 years",
          "age_min_months": 72,
          "age_max_months": 143,
          "dose_text": "5 mg twice daily"
        },
        {
          "label": "12 years and over",
          "age_min_months": 144,
          "age_max_months": 216,
          "dose_text": "10 mg once daily"
        }
      ],
      "peds_doses": null,
      "brands": [
        {
          "trade_name": "EPIRIZINE 10 MG 10 TABS.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "EIPICO",
          "price_egp": 15.5,
          "pack_count": 10,
          "unit_price": 1.55,
          "strength_mg": 10.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "CETRITIN 10MG 20 TAB.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "EL NILE.",
          "price_egp": 42.0,
          "pack_count": 20,
          "unit_price": 2.1,
          "strength_mg": 10.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "TOMAZINE 10MG 30 F.C. TABS.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "ALFACURE PHARMACEUTICALS",
          "price_egp": 63.0,
          "pack_count": 30,
          "unit_price": 2.1,
          "strength_mg": 10.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "CETRAK 10 MG 20 TABS.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "PHARCO",
          "price_egp": 68.0,
          "pack_count": 20,
          "unit_price": 3.4,
          "strength_mg": 10.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "HISTAZINE-1 10 MG 20 TABS.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "AMRIYA",
          "price_egp": 68.0,
          "pack_count": 20,
          "unit_price": 3.4,
          "strength_mg": 10.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "ZYRTEC 10 MG 20 TAB.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "GLAXO SMITHKLINE",
          "price_egp": 100.0,
          "pack_count": 20,
          "unit_price": 5.0,
          "strength_mg": 10.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "CETRICHEW 10MG 20 CHEWABLE F.C. TABS.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "AL ROWAD PHARMACEUTICAL INDUSTRIAL CO.",
          "price_egp": 15.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 10.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "HISTA CHEW 10 MG 20 CHEWABLE TAB.",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "ARAB CAPS > ADVOCURE",
          "price_egp": 15.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 10.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "LERGFREE 5MG/5ML SYRUP 120ML",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "DEBEIKY",
          "price_egp": 9.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 5.0,
          "exact_strength": false,
          "exact_form": false,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "EPIRIZINE 5MG/ML SYRUP 60 ML",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "EIPICO",
          "price_egp": 19.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 5.0,
          "exact_strength": false,
          "exact_form": false,
          "discontinued": false,
          "also_contains": null
        }
      ],
      "condition_id": "angioedema"
    },
    {
      "id": 170,
      "generic": "Hydrocortisone",
      "line": 1,
      "is_adjunct": true,
      "form": "injection",
      "strength_mg": 100.0,
      "adult_dose": "200 mg slow IV or IM (or Prednisolone 40-50 mg orally)",
      "adult_duration": "single dose",
      "dose_source": "Resuscitation Council UK Anaphylaxis Guideline 2021",
      "rationale": "Adjunctive therapy to prevent biphasic late-phase allergic reaction",
      "cautions": [
        "Delayed onset of action (4-6 hours); never rely on corticosteroids for immediate airway relief."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": "Child: 2-4 mg/kg IV/IM (max 100 mg for <6 yrs, 200 mg for >=6 yrs)",
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": null,
      "peds_doses": null,
      "brands": [
        {
          "trade_name": "SOLU-CORTEF 100MG/2ML VIAL",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "EIPICO > PFIZER",
          "price_egp": 16.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 100.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "HYDROCORTISONE SODIUM SUCCINATE 100MG I.V./I.M.VIAL",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "EIPICO",
          "price_egp": 26.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 100.0,
          "exact_strength": true,
          "exact_form": true,
          "discontinued": false,
          "also_contains": null
        }
      ],
      "condition_id": "angioedema"
    }
  ]
}