💊 Chemical information



In US.

USP 31

(Coccidioidin). A sterile solution containing the antigens obtained from the byproducts of mycelial growth or from the spherules of the fungus Coccidioides immitis; it contains a suitable antimicrobial. A clear, practically colourless or ambercoloured liquid. Store at 2° to 8°. Any dilutions should be stored at 2° to 8° and used within 24 hours. The expiry date is not later than 3 years (mycelial product) or 18 months (spherule-derived product) after release from the manufacturer’s cold storage.

💊 Profile

Coccidioidin has been used as an aid to the diagnosis of coccidioidomycosis and, in conjunction with other antigens, to assess the status of cell-mediated immunity. A usual dose of 0.1 mL of a 1 in 100 dilution by intradermal (intracutaneous) injection has been used.

💊 Preparations

USP 31: Coccidioidin.

Proprietary Preparations

USA: Spherulin.
Published April 27, 2019.