Erythema nodosum
| Description | Chlamydia-, Yersinia-, cat scratch disease-, toxoplasmosis-, helicobacter pylori serology, HLA-B27 (EDTA-blood), streptococcus, Tbc, overreactions to medication (metamizole, NSAID, penicillin, sulfonamides, often oral contraceptives) and others. Please also refer to sections “infection-associated arthritis, sarcoidosis, Behçet’s disease, cat scratch disease |
