Cotton or a bandage may be applied to the puncture site if there is any continued bleeding. Using immunologic testing techniques, the blood sample is examined for precipitin bands that form when aspergillus antibodies are present. There is no special preparation. The physical and psychological preparation you can provide for this or any test or procedure depends on your child's age, interests, previous experience, and level of trust. Afterward, there may be some throbbing .
Weak bands suggest early infection or hypersensitivity pneumonitis.
Obtaining a blood sample from some people may be more difficult than from others. The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Inc. Any duplication or distribution of the information contained herein is strictly prohibited. We subscribe to the HONcode principles of the Health On the Net Foundation By using this service, you accept our Terms of Use .