All are causes of eosinophilia except:: (A) Allergic Rhinitis, (B) Trichinosis, (C) Corticosteroid therapy, (D) Rhematoid arthritis
Answer is C. Ans: C (Corticosteroid therapy) Ref: Nelson Textbook of Pediatrics, 19th edition. Pg 740.Explanation:Corticosteroid therapy causes eosinopenia.Causes of EosinophiliaAllergic DisordersAllergic rhinitisAsthmaAcute and chronic urticariaHypersensitivity drug reactionsInfectious DiseasesTissue-Invasive Helminth Infections TrichinosisToxocariasisStrongyloidosisAscariasisFiiariasisPneumocystis cariniiToxoplasmosisAmebiasisMalariaBronchopulmonary aspergillosisScabiesMalignant DisordersBrain tumorsHodgkin disease and T-cell lymphomaMyeloproliferative disordersGastrointestinal DisordersInflammatory bowel diseaseEosinophilic gastroenteritisChronic active hepatitisRheumatologic DiseaseRheumatoid arthritisEosinophilic fascitisImmunodeficiency DiseaseHyper-IgE syndromeWiskott-Aldrich syndromeLoftier syndromeEosinophilic leukemiaHypersensitivity pneumoniaMiscellaneousThrombocytopenia with absent radiiVasculitisHistiocytosis with cutaneous involvement