The accuracy of blood tests in diagnosing Cosentyx allergies is crucial for patient safety and effective treatment. While specific information regarding the accuracy of blood tests for Cosentyx allergies is not directly provided in the sources you provided, the studies and articles offer valuable insights into allergic reactions and immune responses associated with Cosentyx (secukinumab).

Cosentyx, a biologic drug, can elicit allergic reactions in some individuals. A study published in the Journal of Clinical Rheumatology highlighted cases of delayed-type drug hypersensitivity reactions to secukinumab, the active ingredient in Cosentyx. These reactions typically involve the immune system and can manifest as skin rashes, fever, and other symptoms. Blood tests may help in diagnosing such reactions by detecting specific markers indicative of an allergic response [3].

Additionally, the article on PubMed Central discusses the importance of recognizing and managing adverse drug reactions to biologics like Cosentyx. It emphasizes the need for vigilant monitoring, including laboratory tests, to detect and address potential allergic reactions promptly [2].

While the sources do not provide specific data on the accuracy of blood tests in diagnosing Cosentyx allergies, they underscore the significance of thorough monitoring and testing to identify and manage allergic reactions effectively. Consulting with healthcare professionals experienced in managing biologic drug allergies is crucial for accurate diagnosis and appropriate treatment.

Sources:
[1] https://www.drugpatentwatch.com/p/biologics/tradename/COSENTYX
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9891841/
[3] https://journals.lww.com/jclinrheum/fulltext/2020/09000/secukinumab_induced_delayed_type_drug.39.aspx