Abacavir Allergy, also known as abc allergy, is related to carbapenem allergy and hypertrophy of tongue papillae. An important gene associated with Abacavir Allergy is HLA-B (Major Histocompatibility Complex, Class I, B), and among its related pathways/superpathways are Innate Immune System and CCR5 Pathway in Macrophages. Related phenotype is immune system.