Allergy & immunology, source-verified
Source-verified clinical algorithms, calculators, and reference tables for allergy & immunology. Every formula, dose, and pathway is tied to its primary source. 100% on-device. No patient data is stored or transmitted.
Decision pathways
- Anaphylaxis: recognition & treatment
- Angioedema differential & HAE pathway
- Chronic spontaneous urticaria (CSU) workup & ladder
- Rhinitis classification & management
- Penicillin / drug allergy delabeling pathway
- Asthma / PFT / EIB diagnostic & treatment pathway
- Food allergy evaluation, OFC & prevention
- Eosinophilic esophagitis: diagnosis & treatment
- Atopic dermatitis: stepwise management
- CRSwNP & N-ERD (AERD) pathway
- NSAID Hypersensitivity Classification & Management
- Drug Desensitization, Rapid Induction of Tolerance
- Stinging insect allergy & venom immunotherapy
- Allergen immunotherapy: candidacy, safety & duration
- Inborn errors of immunity: phenotype-driven screen
- Vaccine allergy & reaction evaluation
- Severe cutaneous adverse reaction (SCAR) pathway
- EGPA: diagnosis & treatment stratification
- Hereditary angioedema: attack treatment & prophylaxis
- HAE Acute Attack, Emergency Management
- Alpha-gal Syndrome, Diagnosis & Management
- FPIES, Food Protein-Induced Enterocolitis Syndrome
- ABPA, Allergic Bronchopulmonary Aspergillosis
- Contact Dermatitis, Allergic vs Irritant
- Occupational Asthma, Diagnosis & Classification
- Latex Allergy, Diagnosis & Management
- Perioperative Anaphylaxis, Management & Culprit Workup
- Hypereosinophilic Syndrome, Workup & Variant-Directed Therapy
- Eosinophilic Pneumonia, Acute vs Chronic
- Systemic Mastocytosis, Diagnosis & Subtyping
- Food Oral Immunotherapy, Candidacy & Management
- Idiopathic Anaphylaxis, Exclusion & Management
- Chronic Inducible Urticaria, Subtype & Management
- Antibody Deficiency, Humoral Immunodeficiency Workup
- Iodinated contrast reaction, premedication & re-exposure
- Local anesthetic reaction, evaluation & delabeling
- Ocular allergy, classify and treat by subtype
- Urticarial vasculitis, recognise, biopsy, stratify by complement
- Mast cell disorders: diagnosis & management
Calculators
- ALDEN, drug causality in SJS/TEN
- I-SEE, Index of Severity for EoE
- Lund-Mackay sinus CT score
- PPSV23 testable-serotype denominator (PCV-conjugate era)
- PPSV23 polysaccharide response interpretation
- Anaphylaxis clinical diagnostic criteria (NIAID/FAAN 2006)
- Intranasal epinephrine (neffy) dose by weight
- IM epinephrine dose for anaphylaxis (0.01 mg/kg)
- Ring & Messmer grading of anaphylaxis severity
- Acute tryptase "20% + 2" rule
- Systemic mastocytosis diagnostic criteria (WHO/ICC)
- REMA score (clonal mast-cell disease prediction)
- PEN-FAST penicillin allergy clinical decision rule
- Naranjo Adverse Drug Reaction Probability Scale
- SCORTEN, severity-of-illness score for SJS/TEN
- ABCD-10 (SJS/TEN in-hospital mortality)
- RegiSCAR DRESS validation score
- β-lactam side-chain cross-reactivity
- Urticaria Activity Score over 7 days (UAS7)
- Urticaria Control Test (UCT)
- Asthma Control Test (ACT)
- FeNO interpretation (ATS 2011)
- SCORAD (SCORing Atopic Dermatitis)
- Eczema Area and Severity Index (EASI)
- Patient-Oriented Eczema Measure (POEM)
- Sino-Nasal Outcome Test (SNOT-22)
- ARIA allergic rhinitis classification
- Pollen-food allergy syndrome cross-reactivity
- Eosinophilic esophagitis histologic threshold
- EREFS, EoE endoscopic reference score
- Absolute eosinophil count & hypereosinophilia grading
- Five-Factor Score (FFS, 2011 revised)
- EGPA classification, 2022 ACR/EULAR criteria
- Mueller grading of systemic sting reactions
- Angioedema Control Test (AECT)
- HAE / angioedema complement profile interpreter
- Spirometry: FEV1/FVC & obstruction pattern
Reference tables
- Component-resolved diagnostics (CRD), how to read the result
- Histaminergic vs bradykinin-mediated angioedema
- Drug reaction phenotypes & approach
- IEI screening by clinical phenotype
- Severe asthma biologic selection
- Vaccine excipients & allergy relevance
- Atopic march biologic selection
- Eosinophilic GI disorder (EGID) biologic selection
- Mast cell activation syndrome (MCAS) targeted therapy
- HAE long-term prophylaxis (LTP) & on-demand agent selection
Clinician decision support. Verify against the cited source. Not a substitute for clinical judgment. 100% on-device; no patient data is stored or transmitted.